diff --git a/src/blackcore/aircraftmatcher.cpp b/src/blackcore/aircraftmatcher.cpp
index 7111207f9..1ff762dfb 100644
--- a/src/blackcore/aircraftmatcher.cpp
+++ b/src/blackcore/aircraftmatcher.cpp
@@ -731,11 +731,11 @@ namespace BlackCore
         if (modelsCleaned.isEmpty())
         {
             // error to force popup
-            CLogMessage(this).error("No models for matching ('%1'), swift without a model set will not work!") << simulator.toQString();
+            CLogMessage(this).error(u"No models for matching ('%1'), swift without a model set will not work!") << simulator.toQString();
         }
         else if (!duplicateModels.isEmpty())
         {
-            CLogMessage(this).error("Found model duplicate strings, check models: '%1'") << duplicateModels.dbKeysAsString(", ");
+            CLogMessage(this).error(u"Found model duplicate strings, check models: '%1'") << duplicateModels.dbKeysAsString(", ");
         }
         else if (!warnings.isEmpty())
         {
@@ -743,7 +743,7 @@ namespace BlackCore
         }
         else
         {
-            CLogMessage(this).validationInfo("Set %1 models in matcher, simulator '%2'") << modelsCleaned.size() << simulator.toQString();
+            CLogMessage(this).validationInfo(u"Set %1 models in matcher, simulator '%2'") << modelsCleaned.size() << simulator.toQString();
         }
 
         // set values
@@ -830,7 +830,7 @@ namespace BlackCore
             const bool r = m_modelSet.removeModelWithString(modelString, Qt::CaseInsensitive);
             if (r)
             {
-                CLogMessage(this).warning("Removed model '%1' from matching model set") << modelString;
+                CLogMessage(this).warning(u"Removed model '%1' from matching model set") << modelString;
                 m_removedModels.replaceOrAddModelWithString(remoteAircraft.getModel(), Qt::CaseInsensitive);
             }
         }
diff --git a/src/blackcore/application.cpp b/src/blackcore/application.cpp
index d982dcf2e..e8b62f8f0 100644
--- a/src/blackcore/application.cpp
+++ b/src/blackcore/application.cpp
@@ -194,7 +194,7 @@ namespace BlackCore
         const CApplicationInfo myself = CApplication::instance()->getApplicationInfo();
         if (!apps.contains(myself)) { apps.push_back(myself); }
         const bool ok = CFileUtils::writeStringToLockedFile(apps.toJsonString(), CFileUtils::appendFilePaths(swiftDataRoot(), "apps.json"));
-        if (!ok) { CLogMessage(static_cast<CApplication *>(nullptr)).error("Failed to write to application list file"); }
+        if (!ok) { CLogMessage(static_cast<CApplication *>(nullptr)).error(u"Failed to write to application list file"); }
         return ok;
     }
 
@@ -206,7 +206,7 @@ namespace BlackCore
         if (!apps.contains(myself)) { return true; }
         apps.remove(myself);
         const bool ok = CFileUtils::writeStringToLockedFile(apps.toJsonString(), CFileUtils::appendFilePaths(swiftDataRoot(), "apps.json"));
-        if (!ok) { CLogMessage(static_cast<CApplication *>(nullptr)).error("Failed to write to application list file"); }
+        if (!ok) { CLogMessage(static_cast<CApplication *>(nullptr)).error(u"Failed to write to application list file"); }
         return ok;
     }
 
@@ -366,7 +366,7 @@ namespace BlackCore
 #ifdef BLACK_USE_CRASHPAD
                     CRASHPAD_SIMULATE_CRASH();
 #else
-                    CLogMessage(this).warning("This compiler or platform does not support crashpad. Cannot simulate crash dump!");
+                    CLogMessage(this).warning(u"This compiler or platform does not support crashpad. Cannot simulate crash dump!");
 #endif
                 });
             }
@@ -409,7 +409,7 @@ namespace BlackCore
 
     CStatusMessageList CApplication::waitForSetup(int timeoutMs)
     {
-        if (!m_setupReader) { return CStatusMessage(this).error("No setup reader"); }
+        if (!m_setupReader) { return CStatusMessage(this).error(u"No setup reader"); }
         CEventLoop::processEventsUntil(this, &CApplication::setupHandlingCompleted, timeoutMs, [this]
         {
             // init, if this is true event queue is not started
@@ -426,19 +426,20 @@ namespace BlackCore
         }
         if (m_setupReader->isSetupAvailable())
         {
-            msgs.push_back(CStatusMessage(this).info(forced ? "Setup available after forcing (so likely web read still pending)" : "Setup available"));
+            msgs.push_back(CStatusMessage(this).info(forced ? QStringLiteral("Setup available after forcing (so likely web read still pending)")
+                                                            : QStringLiteral("Setup available")));
             return msgs;
         }
 
         // getting here can means no "real" read success, and NO available cache
-        msgs.push_back(CStatusMessage(this).error("Setup not available, setup reading failed or timed out."));
+        msgs.push_back(CStatusMessage(this).error(u"Setup not available, setup reading failed or timed out."));
         if (m_setupReader->getLastSetupReadErrorMessages().hasErrorMessages())
         {
             msgs.push_back(m_setupReader->getLastSetupReadErrorMessages());
         }
         if (m_setupReader->hasCmdLineBootstrapUrl())
         {
-            msgs.push_back(CStatusMessage(this).info("Bootstrap URL cmd line argument '%1'") << m_setupReader->getCmdLineBootstrapUrl());
+            msgs.push_back(CStatusMessage(this).info(u"Bootstrap URL cmd line argument '%1'") << m_setupReader->getCmdLineBootstrapUrl());
         }
         return msgs;
     }
@@ -451,8 +452,8 @@ namespace BlackCore
 
     CStatusMessageList CApplication::requestReloadOfSetupAndVersion()
     {
-        if (m_shutdown) { return CStatusMessage(this).warning("Shutting down, not reading"); }
-        if (!m_setupReader) { return CStatusMessage(this).error("No reader for setup/version"); }
+        if (m_shutdown) { return CStatusMessage(this).warning(u"Shutting down, not reading"); }
+        if (!m_setupReader) { return CStatusMessage(this).error(u"No reader for setup/version"); }
         Q_ASSERT_X(m_parsed, Q_FUNC_INFO, "Not yet parsed");
         return m_setupReader->asyncLoad();
     }
@@ -864,7 +865,7 @@ namespace BlackCore
         BLACK_VERIFY_X(QSslSocket::supportsSsl(), Q_FUNC_INFO, "No SSL");
         if (!QSslSocket::supportsSsl())
         {
-            return CStatusMessage(this).error("No SSL supported, can`t be used");
+            return CStatusMessage(this).error(u"No SSL supported, can`t be used");
         }
 
         m_webReadersUsed = webReaders;
@@ -877,8 +878,8 @@ namespace BlackCore
     {
         Q_ASSERT_X(m_parsed, Q_FUNC_INFO, "Call this function after parsing");
 
-        if (!m_useContexts) { return CStatusMessage(this).error("No need to start core facade"); } // we do not use context, so no need to startup
-        if (!m_setupReader || !m_setupReader->isSetupAvailable()) { return CStatusMessage(this).error("No setup reader or setup available"); }
+        if (!m_useContexts) { return CStatusMessage(this).error(u"No need to start core facade"); } // we do not use context, so no need to startup
+        if (!m_setupReader || !m_setupReader->isSetupAvailable()) { return CStatusMessage(this).error(u"No setup reader or setup available"); }
 
         Q_ASSERT_X(m_coreFacade.isNull(), Q_FUNC_INFO, "Cannot alter facade");
         Q_ASSERT_X(m_setupReader, Q_FUNC_INFO, "No facade without setup possible");
@@ -886,7 +887,7 @@ namespace BlackCore
 
         this->startWebDataServices();
 
-        const CStatusMessageList msgs(CStatusMessage(this).info("Will start core facade now"));
+        const CStatusMessageList msgs(CStatusMessage(this).info(u"Will start core facade now"));
         m_coreFacade.reset(new CCoreFacade(m_coreFacadeConfig));
         emit this->coreFacadeStarted();
         return msgs;
@@ -896,14 +897,14 @@ namespace BlackCore
     {
         Q_ASSERT_X(m_parsed, Q_FUNC_INFO, "Call this function after parsing");
 
-        if (!m_useWebData) { return CStatusMessage(this).warning("No need to start web data services"); }
-        if (!m_setupReader || !m_setupReader->isSetupAvailable()) { return CStatusMessage(this).error("No setup reader or setup available"); }
+        if (!m_useWebData) { return CStatusMessage(this).warning(u"No need to start web data services"); }
+        if (!m_setupReader || !m_setupReader->isSetupAvailable()) { return CStatusMessage(this).error(u"No setup reader or setup available"); }
 
         Q_ASSERT_X(m_setupReader, Q_FUNC_INFO, "No web data services without setup possible");
         CStatusMessageList msgs;
         if (!m_webDataServices)
         {
-            msgs.push_back(CStatusMessage(this).info("Will start web data services now"));
+            msgs.push_back(CStatusMessage(this).info(u"Will start web data services now"));
             m_webDataServices.reset(
                 new CWebDataServices(m_webReadersUsed, m_dbReaderConfig, {}, this)
             );
@@ -931,7 +932,7 @@ namespace BlackCore
         }
         else
         {
-            msgs.push_back(CStatusMessage(this).info("Web data services already running"));
+            msgs.push_back(CStatusMessage(this).info(u"Web data services already running"));
         }
 
         return msgs;
@@ -1080,21 +1081,21 @@ namespace BlackCore
         {
         case QNetworkAccessManager::Accessible:
             m_accessManager->setNetworkAccessible(accessible); // for some reasons the queried value still is unknown
-            CLogMessage(this).info("Network is accessible");
+            CLogMessage(this).info(u"Network is accessible");
             break;
         case QNetworkAccessManager::NotAccessible:
-            CLogMessage(this).error("Network not accessible");
+            CLogMessage(this).error(u"Network not accessible");
             break;
         default:
-            CLogMessage(this).warning("Network accessibility unknown");
+            CLogMessage(this).warning(u"Network accessibility unknown");
             break;
         }
     }
 
     void CApplication::onChangedInternetAccessibility(bool accessible)
     {
-        if (accessible) { CLogMessage(this).info("Internet reported accessible"); }
-        else { CLogMessage(this).warning("Internet not accessible"); }
+        if (accessible) { CLogMessage(this).info(u"Internet reported accessible"); }
+        else { CLogMessage(this).warning(u"Internet not accessible"); }
 
         emit this->changedInternetAccessibility(accessible);
     }
@@ -1103,11 +1104,11 @@ namespace BlackCore
     {
         if (accessible)
         {
-            CLogMessage(this).info("swift DB reported accessible: '%1'") << url.toQString();
+            CLogMessage(this).info(u"swift DB reported accessible: '%1'") << url.toQString();
         }
         else
         {
-            CLogMessage(this).warning("swift DB not accessible: '%1'") << url.toQString();
+            CLogMessage(this).warning(u"swift DB not accessible: '%1'") << url.toQString();
             if (m_networkWatchDog)
             {
                 CLogMessage(this).warning(m_networkWatchDog->getCheckInfo());
@@ -1130,7 +1131,7 @@ namespace BlackCore
             {
                 m_networkWatchDog->disableNetworkAccessibilityCheck(true);
                 m_accessManager->setNetworkAccessible(QNetworkAccessManager::Accessible);
-                CLogMessage(this).warning("No network configurations found, disabling network accessibility checks");
+                CLogMessage(this).warning(u"No network configurations found, disabling network accessibility checks");
             }
         }
         else
@@ -1148,7 +1149,7 @@ namespace BlackCore
             const bool disable = activeCount < 1; // only inactive
             if (disable && m_networkWatchDog && m_networkWatchDog->isNetworkAccessibilityCheckEnabled())
             {
-                CLogMessage(this).warning("Disabling network accessibility check in watchdog");
+                CLogMessage(this).warning(u"Disabling network accessibility check in watchdog");
                 m_networkWatchDog->disableNetworkAccessibilityCheck(disable);
             }
 
@@ -1159,7 +1160,7 @@ namespace BlackCore
                 if (!m_noNwAccessPoint)
                 {
                     m_noNwAccessPoint = true;
-                    CLogMessage(this).warning("No network access point found for swift");
+                    CLogMessage(this).warning(u"No network access point found for swift");
                 }
             }
         }
@@ -1210,13 +1211,13 @@ namespace BlackCore
         {
             if (!sApp || sApp->isShuttingDown()) { return; }
             const QString r = CNetworkUtils::createNetworkConfigurationReport(m_networkConfigManager, m_accessManager);
-            CLogMessage(this).info("Network report:\n%1") << r;
+            CLogMessage(this).info(u"Network report:\n%1") << r;
         });
     }
 
     CStatusMessageList CApplication::asyncWebAndContextStart()
     {
-        if (m_started) { return CStatusMessage(this).info("Already started "); }
+        if (m_started) { return CStatusMessage(this).info(u"Already started "); }
 
         // follow up startups
         CStatusMessageList msgs = this->startWebDataServices();
@@ -1619,7 +1620,7 @@ namespace BlackCore
     {
 #ifdef BLACK_USE_CRASHPAD
         // No crash handling for unit tests
-        if (this->getApplicationInfo().isUnitTest()) { return CStatusMessage(this).info("No crash handler for unit tests"); }
+        if (this->getApplicationInfo().isUnitTest()) { return CStatusMessage(this).info(u"No crash handler for unit tests"); }
 
         static const QString crashpadHandler(CBuildConfig::isRunningOnWindowsNtPlatform() ? "swift_crashpad_handler.exe" : "swift_crashpad_handler");
         static const QString handler = CFileUtils::appendFilePaths(CDirectoryUtils::binDirectory(), crashpadHandler);
@@ -1629,7 +1630,7 @@ namespace BlackCore
 
         if (!QFileInfo::exists(handler))
         {
-            return CStatusMessage(this).warning("Crashpad handler '%1' not found. Cannot init handler!") << handler;
+            return CStatusMessage(this).warning(u"Crashpad handler '%1' not found. Cannot init handler!") << handler;
         }
 
         const CUrl serverUrl = this->getGlobalSetup().getCrashReportServerUrl();
@@ -1652,9 +1653,9 @@ namespace BlackCore
                                        annotations,
                                         {},
                                        false, true);
-        return CStatusMessage(this).info("Using crash handler");
+        return CStatusMessage(this).info(u"Using crash handler");
 #else
-        return CStatusMessage(this).info("Not using crash handler");
+        return CStatusMessage(this).info(u"Not using crash handler");
 #endif
     }
 
diff --git a/src/blackcore/context/context.h b/src/blackcore/context/context.h
index e6dba1be0..863c64ffc 100644
--- a/src/blackcore/context/context.h
+++ b/src/blackcore/context/context.h
@@ -162,7 +162,7 @@ namespace BlackCore
             //! Empty context called
             void logEmptyContextWarning(const QString &functionName) const
             {
-                BlackMisc::CLogMessage(this, BlackMisc::CLogCategory::contextSlot()).warning("Empty context called, details: %1") << functionName;
+                BlackMisc::CLogMessage(this, BlackMisc::CLogCategory::contextSlot()).warning(u"Empty context called, details: %1") << functionName;
             }
 
             //! Standard message when status message is returned in empty context
diff --git a/src/blackcore/context/contextaudioimpl.cpp b/src/blackcore/context/contextaudioimpl.cpp
index 2e6a5f197..9c453f774 100644
--- a/src/blackcore/context/contextaudioimpl.cpp
+++ b/src/blackcore/context/contextaudioimpl.cpp
@@ -550,7 +550,7 @@ namespace BlackCore
                 break;
             case IVoiceChannel::ConnectingFailed:
             case IVoiceChannel::DisconnectedError:
-                CLogMessage(this).warning("Voice channel disconnecting error");
+                CLogMessage(this).warning(u"Voice channel disconnecting error");
             // intentional fall-through
             case IVoiceChannel::Disconnected:
                 emit this->changedVoiceRooms(getComVoiceRooms(), false);
diff --git a/src/blackcore/context/contextnetworkimpl.cpp b/src/blackcore/context/contextnetworkimpl.cpp
index db4a1eac1..f44b50351 100644
--- a/src/blackcore/context/contextnetworkimpl.cpp
+++ b/src/blackcore/context/contextnetworkimpl.cpp
@@ -219,7 +219,7 @@ namespace BlackCore
             // Fall back to observer mode, if no simulator is available or not simulating
             if (!CBuildConfig::isLocalDeveloperDebugBuild() && !this->getIContextSimulator()->isSimulatorSimulating())
             {
-                CLogMessage(this).info("No simulator connected or connected simulator not simulating. Falling back to observer mode");
+                CLogMessage(this).info(u"No simulator connected or connected simulator not simulating. Falling back to observer mode");
                 mode = INetwork::LoginAsObserver;
             }
 
@@ -288,17 +288,17 @@ namespace BlackCore
             {
                 if (!this->getIContextNetwork()->isConnected())
                 {
-                    CLogMessage(this).validationError("Network needs to be connected");
+                    CLogMessage(this).validationError(u"Network needs to be connected");
                     return false;
                 }
                 else if (!this->getIContextOwnAircraft())
                 {
-                    CLogMessage(this).validationError("No own aircraft data, no text message can be sent");
+                    CLogMessage(this).validationError(u"No own aircraft data, no text message can be sent");
                     return false;
                 }
                 if (parser.countParts() < 3)
                 {
-                    CLogMessage(this).validationError("Incorrect message");
+                    CLogMessage(this).validationError(u"Incorrect message");
                     return false;
                 }
 
@@ -307,7 +307,7 @@ namespace BlackCore
                 const CSimulatedAircraft ownAircraft(this->getIContextOwnAircraft()->getOwnAircraft());
                 if (ownAircraft.getCallsign().isEmpty())
                 {
-                    CLogMessage(this).validationError("No own callsign");
+                    CLogMessage(this).validationError(u"No own callsign");
                     return false;
                 }
 
@@ -337,7 +337,7 @@ namespace BlackCore
                         }
                         else
                         {
-                            CLogMessage(this).validationError("Wrong COM frequency for text message");
+                            CLogMessage(this).validationError(u"Wrong COM frequency for text message");
                             return false;
                         }
                     }
@@ -352,7 +352,7 @@ namespace BlackCore
                 tm.setMessage(msg);
                 if (tm.isEmpty())
                 {
-                    CLogMessage(this).validationError("No text message body");
+                    CLogMessage(this).validationError(u"No text message body");
                     return false;
                 }
                 CTextMessageList tml(tm);
@@ -375,7 +375,7 @@ namespace BlackCore
                     cs = CCallsign(csPart);
                     if (!m_airspace->isAircraftInRange(cs))
                     {
-                        CLogMessage(this).validationError("Altitude offset unknown callsign");
+                        CLogMessage(this).validationError(u"Altitude offset unknown callsign");
                         return false;
                     }
                 }
@@ -387,8 +387,8 @@ namespace BlackCore
                 }
 
                 const bool added = this->testAddAltitudeOffset(cs, os);
-                if (added) { CLogMessage(this).info("Added altitude offset %1 for %2") << os.valueRoundedWithUnit(2) << cs.asString(); }
-                else       { CLogMessage(this).info("Removed altitude offset %1") << cs.asString(); }
+                if (added) { CLogMessage(this).info(u"Added altitude offset %1 for %2") << os.valueRoundedWithUnit(2) << cs.asString(); }
+                else       { CLogMessage(this).info(u"Removed altitude offset %1") << cs.asString(); }
 
                 return true;
             }
@@ -399,7 +399,7 @@ namespace BlackCore
 
                 const bool watchdog = parser.toBool(1, true);
                 m_airspace->enableAnalyzer(watchdog);
-                CLogMessage(this).info("Enabled watchdog: %1") << boolToYesNo(watchdog);
+                CLogMessage(this).info(u"Enabled watchdog: %1") << boolToYesNo(watchdog);
             }
             else if (parser.matchesCommand(".reinit", ".reinitialize"))
             {
@@ -407,7 +407,7 @@ namespace BlackCore
                 const int count = m_airspace->reInitializeAllAircraft();
                 if (count > 0)
                 {
-                    CLogMessage(this).info("Re-init %1 aircraft") << count;
+                    CLogMessage(this).info(u"Re-init %1 aircraft") << count;
                 }
             }
             else if (parser.matchesCommand(".wallop"))
@@ -546,7 +546,7 @@ namespace BlackCore
             // send 1st position
             if (to == INetwork::Connected)
             {
-                CLogMessage(this).info("Connected, own aircraft %1") << this->ownAircraft().getCallsignAsString();
+                CLogMessage(this).info(u"Connected, own aircraft %1") << this->ownAircraft().getCallsignAsString();
 
                 if (m_network)
                 {
@@ -595,7 +595,7 @@ namespace BlackCore
         void CContextNetwork::updateMetars(const BlackMisc::Weather::CMetarList &metars)
         {
             if (this->isDebugEnabled()) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
-            CLogMessage(this).info("%1 METARs updated") << metars.size();
+            CLogMessage(this).info(u"%1 METARs updated") << metars.size();
         }
 
         void CContextNetwork::onChangedAtisReceived(const CCallsign &callsign)
@@ -862,7 +862,7 @@ namespace BlackCore
             if (c)
             {
                 const CSimulatedAircraft aircraft(this->getAircraftInRangeForCallsign(callsign));
-                CLogMessage(this).info("Callsign '%1' fast positions '%2'") << aircraft.getCallsign() << BlackMisc::boolToOnOff(aircraft.fastPositionUpdates());
+                CLogMessage(this).info(u"Callsign '%1' fast positions '%2'") << aircraft.getCallsign() << BlackMisc::boolToOnOff(aircraft.fastPositionUpdates());
                 emit this->changedFastPositionUpdates(aircraft);
             }
             return c;
@@ -875,7 +875,7 @@ namespace BlackCore
             if (c)
             {
                 const CSimulatedAircraft aircraft(this->getAircraftInRangeForCallsign(callsign));
-                CLogMessage(this).info("Callsign '%1' set gnd.capability: %2") << aircraft.getCallsign() << boolToOnOff(aircraft.isSupportingGndFlag());
+                CLogMessage(this).info(u"Callsign '%1' set gnd.capability: %2") << aircraft.getCallsign() << boolToOnOff(aircraft.isSupportingGndFlag());
                 emit this->changedGndFlagCapability(aircraft);
             }
             return c;
diff --git a/src/blackcore/context/contextsimulatorimpl.cpp b/src/blackcore/context/contextsimulatorimpl.cpp
index c130ba052..74fa1a272 100644
--- a/src/blackcore/context/contextsimulatorimpl.cpp
+++ b/src/blackcore/context/contextsimulatorimpl.cpp
@@ -208,12 +208,12 @@ namespace BlackCore
             CStatusMessageList msgs;
             if (!sApp || !sApp->isNetworkAccessible())
             {
-                msgs.push_back(CStatusMessage(this).error("No network interface, simulation will not work properly"));
+                msgs.push_back(CStatusMessage(this).error(u"No network interface, simulation will not work properly"));
             }
             const CSimulatorInfo simulators = this->simulatorsWithInitializedModelSet();
             if (simulators.isNoSimulator())
             {
-                msgs.push_back(CStatusMessage(this).error("No model set so far, you need at least one model set. Hint: You can create a model set in the mapping tool, or copy an existing set in the launcher."));
+                msgs.push_back(CStatusMessage(this).error(u"No model set so far, you need at least one model set. Hint: You can create a model set in the mapping tool, or copy an existing set in the launcher."));
             }
             return msgs;
         }
@@ -358,7 +358,7 @@ namespace BlackCore
 
             if (!simulatorPluginInfo.isValid())
             {
-                CLogMessage(this).error("Illegal plugin");
+                CLogMessage(this).error(u"Illegal plugin");
                 return false;
             }
 
@@ -421,7 +421,7 @@ namespace BlackCore
             const bool connected = simulator->connectTo();
             if (!connected)
             {
-                CLogMessage(this).error("Simulator plugin connection to simulator '%1' failed") << simulatorPluginInfo.toQString(true);
+                CLogMessage(this).error(u"Simulator plugin connection to simulator '%1' failed") << simulatorPluginInfo.toQString(true);
                 return false;
             }
 
@@ -440,7 +440,7 @@ namespace BlackCore
                 emit this->simulatorPluginChanged(simulatorPluginInfo);
             });
 
-            CLogMessage(this).info("Simulator plugin loaded: '%1' connected: %2")
+            CLogMessage(this).info(u"Simulator plugin loaded: '%1' connected: %2")
                     << simulatorPluginInfo.toQString(true)
                     << boolToYesNo(connected);
 
@@ -470,7 +470,7 @@ namespace BlackCore
                 const bool c = connect(listener, &ISimulatorListener::simulatorStarted, this, &CContextSimulator::onSimulatorStarted, Qt::QueuedConnection);
                 if (!c)
                 {
-                    CLogMessage(this).error("Unable to use '%1'") << simulatorInfo.toQString();
+                    CLogMessage(this).error(u"Unable to use '%1'") << simulatorInfo.toQString();
                     return false;
                 }
                 listener->setProperty("isInitialized", true);
@@ -484,7 +484,7 @@ namespace BlackCore
                 Q_ASSERT_X(s, Q_FUNC_INFO, "cannot invoke method");
                 Q_UNUSED(s);
             }
-            CLogMessage(this).info("Listening for simulator '%1'") << simulatorInfo.getIdentifier();
+            CLogMessage(this).info(u"Listening for simulator '%1'") << simulatorInfo.getIdentifier();
             return true;
         }
 
@@ -559,7 +559,7 @@ namespace BlackCore
                 if (this->isAircraftInRange(aircraftAfterModelApplied.getCallsign())) { return; } // removed, but callsig, we did crosscheck
 
                 // callsign, but no model string
-                CLogMessage(this).error("Matching error for '%1', no model string") << aircraftAfterModelApplied.getCallsign().asString();
+                CLogMessage(this).error(u"Matching error for '%1', no model string") << aircraftAfterModelApplied.getCallsign().asString();
 
                 CSimulatedAircraft brokenAircraft(aircraftAfterModelApplied);
                 brokenAircraft.setEnabled(false);
@@ -854,7 +854,7 @@ namespace BlackCore
                 else if (p1 == "parts") { rs.setEnabledAircraftParts(on); }
                 else { return false; }
                 this->setInterpolationAndRenderingSetupGlobal(rs);
-                CLogMessage(this, CLogCategory::cmdLine()).info("Setup is: '%1'") << rs.toQString(true);
+                CLogMessage(this, CLogCategory::cmdLine()).info(u"Setup is: '%1'") << rs.toQString(true);
                 return true;
             }
             if (parser.matchesCommand("plugin") || parser.matchesCommand("drv") || parser.matchesCommand("driver"))
@@ -1035,7 +1035,7 @@ namespace BlackCore
             const CSimulatorInfo simulator(m_modelSetSimulator.get());
             CCentralMultiSimulatorModelSetCachesProvider::modelCachesInstance().synchronizeCache(simulator);
             const CAircraftModelList models(this->getModelSet());
-            CLogMessage(this).info("Init aircraft matcher with %1 models from set for '%2'") << models.size() << simulator.toQString();
+            CLogMessage(this).info(u"Init aircraft matcher with %1 models from set for '%2'") << models.size() << simulator.toQString();
             m_aircraftMatcher.setModelSet(models, simulator, false);
         }
     } // namespace
diff --git a/src/blackcore/corefacade.cpp b/src/blackcore/corefacade.cpp
index 1ab483990..66e91134f 100644
--- a/src/blackcore/corefacade.cpp
+++ b/src/blackcore/corefacade.cpp
@@ -98,7 +98,7 @@ namespace BlackCore
             {
                 const QString e = m_dbusConnection.lastError().message();
                 BLACK_VERIFY_X(false, "CRuntime::init DBus problem", e.toUtf8().constData());
-                CLogMessage(this).error("DBus connection failed: '%1'") << e;
+                CLogMessage(this).error(u"DBus connection failed: '%1'") << e;
                 return;
             }
         }
@@ -136,7 +136,7 @@ namespace BlackCore
         time.restart();
         this->initPostSetup(times);
         times.insert("Post setup", time.restart());
-        CLogMessage(this).info("Init times: %1") << qmapToString(times);
+        CLogMessage(this).info(u"Init times: %1") << qmapToString(times);
 
         // flag
         m_initalized = true;
@@ -170,7 +170,7 @@ namespace BlackCore
         Q_ASSERT(!dBusAddress.isEmpty());
         if (m_dbusServer) { m_dbusServer->deleteLater(); } // delete if there was an existing one
         m_dbusServer = new CDBusServer(dBusAddress, this);
-        CLogMessage(this).info("DBus server on address: '%1'") << dBusAddress;
+        CLogMessage(this).info(u"DBus server on address: '%1'") << dBusAddress;
     }
 
     void CCoreFacade::initPostSetup(QMap<QString, int> &times)
diff --git a/src/blackcore/db/airportdatareader.cpp b/src/blackcore/db/airportdatareader.cpp
index 4db3050c3..1489a8b18 100644
--- a/src/blackcore/db/airportdatareader.cpp
+++ b/src/blackcore/db/airportdatareader.cpp
@@ -74,13 +74,13 @@ namespace BlackCore
             const QDir directory(dir);
             if (!directory.exists())
             {
-                return CStatusMessage(this).error("Missing directory '%1'") << dir;
+                return CStatusMessage(this).error(u"Missing directory '%1'") << dir;
             }
 
             whatToRead &= CEntityFlags::AirportEntity; // can handle these entities
             if (whatToRead == CEntityFlags::NoEntity)
             {
-                return CStatusMessage(this).info("'%1' No entity for this reader") << CEntityFlags::flagToString(whatToRead);
+                return CStatusMessage(this).info(u"'%1' No entity for this reader") << CEntityFlags::flagToString(whatToRead);
             }
 
             int c = 0;
@@ -91,7 +91,7 @@ namespace BlackCore
             const QFileInfo fi(fileName);
             if (!fi.exists())
             {
-                msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
             }
             else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::AirportEntity, msgs))
             {
@@ -227,7 +227,7 @@ namespace BlackCore
             qint64 latestTimestamp = airports.latestTimestampMsecsSinceEpoch();
             if (size > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in airport list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in airport list, setting to last modified value");
                 latestTimestamp = lastModifiedMsSinceEpoch(nwReply.data());
             }
 
diff --git a/src/blackcore/db/backgrounddataupdater.cpp b/src/blackcore/db/backgrounddataupdater.cpp
index 9cd56aad6..48a460cd4 100644
--- a/src/blackcore/db/backgrounddataupdater.cpp
+++ b/src/blackcore/db/backgrounddataupdater.cpp
@@ -60,18 +60,18 @@ namespace BlackCore
 
             emit this->consolidating(true);
             int cycle = m_cycle;
-            this->addHistory(CLogMessage(this).info("Background consolidation cycle %1") << cycle);
+            this->addHistory(CLogMessage(this).info(u"Background consolidation cycle %1") << cycle);
 
             switch (cycle)
             {
             case 0:
                 // normally redundant, will be read in other places as well
                 // new metadata for next comparison
-                this->addHistory(CLogMessage(this).info("Triggered info reads from DB"));
+                this->addHistory(CLogMessage(this).info(u"Triggered info reads from DB"));
                 this->triggerInfoReads();
                 break;
             case 1:
-                this->addHistory(CLogMessage(this).info("Synchronize DB entities"));
+                this->addHistory(CLogMessage(this).info(u"Synchronize DB entities"));
                 this->syncDbEntity(CEntityFlags::AirlineIcaoEntity);
                 this->syncDbEntity(CEntityFlags::LiveryEntity);
                 this->syncDbEntity(CEntityFlags::ModelEntity);
@@ -79,11 +79,11 @@ namespace BlackCore
                 this->syncDbEntity(CEntityFlags::AircraftIcaoEntity);
                 break;
             case 2:
-                this->addHistory(CLogMessage(this).info("Synchronize %1") << this->modelCaches(true).getDescription());
+                this->addHistory(CLogMessage(this).info(u"Synchronize %1") << this->modelCaches(true).getDescription());
                 this->syncModelOrModelSetCacheWithDbData(true); // set
                 break;
             case 3:
-                this->addHistory(CLogMessage(this).info("Synchronize %1") << this->modelCaches(false).getDescription());
+                this->addHistory(CLogMessage(this).info(u"Synchronize %1") << this->modelCaches(false).getDescription());
                 this->syncModelOrModelSetCacheWithDbData(false);
                 break;
             default:
@@ -142,13 +142,13 @@ namespace BlackCore
                 {
                     const CStatusMessage m = modelCaches.setCachedModels(simulatorModels, singleSimulator);
                     const int msElapsed = time.elapsed();
-                    this->addHistory(CLogMessage(this).info("Consolidated %1 models (%2) for '%3' in %4ms") << c << description << singleSimulator.convertToQString() << msElapsed);
+                    this->addHistory(CLogMessage(this).info(u"Consolidated %1 models (%2) for '%3' in %4ms") << c << description << singleSimulator.convertToQString() << msElapsed);
                     CLogMessage::preformatted(m);
                     this->addHistory(m);
                 }
                 else
                 {
-                    this->addHistory(CLogMessage(this).info("Synchronized, no changes for '%1'") << singleSimulator.convertToQString());
+                    this->addHistory(CLogMessage(this).info(u"Synchronized, no changes for '%1'") << singleSimulator.convertToQString());
                 }
 
                 if (simulatorsSet.size() > 1)
@@ -173,12 +173,12 @@ namespace BlackCore
             if (!latestDbTs.isValid()) { return; }
             if (latestDbTs <= latestCacheTs)
             {
-                this->addHistory(CLogMessage(this).info("Background updater (%1), no auto synchronization with DB, entity '%2', DB ts: %3 cache ts: %4")
+                this->addHistory(CLogMessage(this).info(u"Background updater (%1), no auto synchronization with DB, entity '%2', DB ts: %3 cache ts: %4")
                                  << CThreadUtils::currentThreadInfo() << entityStr << latestDbTs.toString(Qt::ISODate) << latestCacheTsStr);
                 return;
             }
 
-            this->addHistory(CLogMessage(this).info("Background updater (%1) triggering read of '%2' since '%3'")
+            this->addHistory(CLogMessage(this).info(u"Background updater (%1) triggering read of '%2' since '%3'")
                              << CThreadUtils::currentThreadInfo() << entityStr << latestCacheTsStr);
             sApp->getWebDataServices()->triggerLoadingDirectlyFromDb(entity, latestCacheTs);
         }
diff --git a/src/blackcore/db/databaseauthentication.cpp b/src/blackcore/db/databaseauthentication.cpp
index 568d38fa5..31395a486 100644
--- a/src/blackcore/db/databaseauthentication.cpp
+++ b/src/blackcore/db/databaseauthentication.cpp
@@ -123,12 +123,12 @@ namespace BlackCore
                 const QString json(nwReply->readAll().trimmed());
                 if (json.isEmpty())
                 {
-                    CLogMessage(this).error("Authentication failed, no response from '%1'") << urlString;
+                    CLogMessage(this).error(u"Authentication failed, no response from '%1'") << urlString;
                     return;
                 }
                 if (!Json::looksLikeJson(json))
                 {
-                    CLogMessage(this).error("Illegal JSON object: %1") << CNetworkUtils::removeHtmlPartsFromPhpErrorMessage(json);
+                    CLogMessage(this).error(u"Illegal JSON object: %1") << CNetworkUtils::removeHtmlPartsFromPhpErrorMessage(json);
                     return;
                 }
 
@@ -165,7 +165,7 @@ namespace BlackCore
             }
             else
             {
-                CLogMessage(this).error("Authentication failed, %1") << nwReply->errorString();
+                CLogMessage(this).error(u"Authentication failed, %1") << nwReply->errorString();
                 return;
             }
         }
diff --git a/src/blackcore/db/databasereader.cpp b/src/blackcore/db/databasereader.cpp
index b3878e8b4..2244e7396 100644
--- a/src/blackcore/db/databasereader.cpp
+++ b/src/blackcore/db/databasereader.cpp
@@ -99,7 +99,7 @@ namespace BlackCore
                         {
                             this->admitCaches(currentEntity);
                             cachedEntities |= currentEntity; // read from cache
-                            CLogMessage(this).info("Using cache for '%1' (%2, %3)") << currentEntityName << cacheTs.toString() << cacheTimestamp;
+                            CLogMessage(this).info(u"Using cache for '%1' (%2, %3)") << currentEntityName << cacheTs.toString() << cacheTimestamp;
                         }
                         else
                         {
@@ -109,23 +109,23 @@ namespace BlackCore
 
                             if (changedUrl)
                             {
-                                CLogMessage(this).info("Data location for '%1' changed ('%2'->'%3'), will override cache for reading '%4'")
+                                CLogMessage(this).info(u"Data location for '%1' changed ('%2'->'%3'), will override cache for reading '%4'")
                                         << currentEntityName << oldUrlInfo.toQString()
                                         << newUrlInfo.toQString() << rmDbOrSharedFlagString;
                             }
                             else
                             {
-                                CLogMessage(this).info("Cache for '%1' outdated, latest entity (%2, %3), reading '%4'") << currentEntityName << latestEntityTs.toString() << latestEntityTimestamp << rmDbOrSharedFlagString;
+                                CLogMessage(this).info(u"Cache for '%1' outdated, latest entity (%2, %3), reading '%4'") << currentEntityName << latestEntityTs.toString() << latestEntityTimestamp << rmDbOrSharedFlagString;
                             }
                         }
                     }
                     else
                     {
-                        if (!rmDbReadingOrShared) { CLogMessage(this).info("No DB or shared reading for '%1', read mode is: '%2'") << currentEntityName << rmString; }
-                        if (!hasDbInfoObjects) { CLogMessage(this).info("No DB info objects for '%1', read mode is: '%2'") << currentEntityName << rmString; }
+                        if (!rmDbReadingOrShared) { CLogMessage(this).info(u"No DB or shared reading for '%1', read mode is: '%2'") << currentEntityName << rmString; }
+                        if (!hasDbInfoObjects) { CLogMessage(this).info(u"No DB info objects for '%1', read mode is: '%2'") << currentEntityName << rmString; }
                         if (currentEntityCount > 0)
                         {
-                            CLogMessage(this).info("Cache for '%1' already read, %2 entries") << currentEntityName << currentEntityCount;
+                            CLogMessage(this).info(u"Cache for '%1' already read, %2 entries") << currentEntityName << currentEntityCount;
                         }
                         else
                         {
@@ -134,12 +134,12 @@ namespace BlackCore
                             if (!rmDbReadingOrShared)
                             {
                                 // intentionally we do not want to read from DB/shared
-                                CLogMessage(this).info("Triggered reading cache for '%1', read mode: %2") << currentEntityName << rmString;
+                                CLogMessage(this).info(u"Triggered reading cache for '%1', read mode: %2") << currentEntityName << rmString;
                             }
                             else
                             {
                                 // we want to read from DB/shared, but have no info object
-                                CLogMessage(this).info("No info object for '%1', triggered reading cache, read mode: %2") << currentEntityName << rmString;
+                                CLogMessage(this).info(u"No info object for '%1', triggered reading cache, read mode: %2") << currentEntityName << rmString;
                             }
                         }
                         cachedEntities |= currentEntity; // read from cache
@@ -164,14 +164,14 @@ namespace BlackCore
             // Real read from DB
             if (dbEntities != CEntityFlags::NoEntity)
             {
-                CLogMessage(this).info("Start reading DB entities: %1") << CEntityFlags::flagToString(dbEntities);
+                CLogMessage(this).info(u"Start reading DB entities: %1") << CEntityFlags::flagToString(dbEntities);
                 this->startReadFromBackendInBackgroundThread(dbEntities, CDbFlags::DbReading, newerThan);
             }
 
             // Real read from shared
             if (sharedEntities != CEntityFlags::NoEntity)
             {
-                CLogMessage(this).info("Start reading shared entities: %1") << CEntityFlags::flagToString(sharedEntities);
+                CLogMessage(this).info(u"Start reading shared entities: %1") << CEntityFlags::flagToString(sharedEntities);
                 this->startReadFromBackendInBackgroundThread(dbEntities, CDbFlags::Shared, newerThan);
             }
         }
@@ -191,7 +191,7 @@ namespace BlackCore
                 if (newerHeaderEntities != entities)
                 {
                     const CEntityFlags::Entity validInCacheEntities = (entities ^ newerHeaderEntities) & entities;
-                    CLogMessage(this).info("Reduced '%1' to '%2' before triggering load of shared files (still in cache)") << CEntityFlags::flagToString(entities) << CEntityFlags::flagToString(newerHeaderEntities);
+                    CLogMessage(this).info(u"Reduced '%1' to '%2' before triggering load of shared files (still in cache)") << CEntityFlags::flagToString(entities) << CEntityFlags::flagToString(newerHeaderEntities);
 
                     // In case we have difference entities we treat them as they were loaded, they result from still being in the cache
                     // Using timer to first finish this function, then the resulting signal
@@ -394,7 +394,7 @@ namespace BlackCore
             const CUrl urlSharedDbdata = CDatabaseReader::getWorkingSharedDbdataDirectoryUrl();
             if (urlSharedDbdata.isEmpty())
             {
-                CLogMessage(this).warning("No working shared URL, cannot request headers");
+                CLogMessage(this).warning(u"No working shared URL, cannot request headers");
                 return 0;
             }
 
@@ -407,7 +407,7 @@ namespace BlackCore
                 url.appendPath(fileName);
 
                 const QString entityString = CEntityFlags::flagToString(currentEntity);
-                CLogMessage(this).info("Triggered read of header for shared file of '%1'") << entityString;
+                CLogMessage(this).info(u"Triggered read of header for shared file of '%1'") << entityString;
                 const QNetworkReply *reply = sApp->headerFromNetwork(url, { this, &CDatabaseReader::receivedSharedFileHeader });
                 if (reply) { c++; }
                 currentEntity = CEntityFlags::iterateDbEntities(allEntities);
@@ -497,7 +497,7 @@ namespace BlackCore
         {
             // never emit when lock is held, deadlock
             Q_ASSERT_X(CEntityFlags::isSingleEntity(entity), Q_FUNC_INFO, "Expect single entity");
-            CLogMessage(this).info("Read %1 entities of '%2' from '%3' (%4)") << number << CEntityFlags::flagToString(entity) << res.getUrlString() << res.getLoadTimeStringWithStartedHint();
+            CLogMessage(this).info(u"Read %1 entities of '%2' from '%3' (%4)") << number << CEntityFlags::flagToString(entity) << res.getUrlString() << res.getLoadTimeStringWithStartedHint();
             emit this->dataRead(entity, res.isRestricted() ? CEntityFlags::ReadFinishedRestricted : CEntityFlags::ReadFinished, number);
         }
 
@@ -553,7 +553,7 @@ namespace BlackCore
             const CEntityFlags::Entity entity = CEntityFlags::singleEntityByName(fileName);
             m_sharedFileResponses[entity] = headerResponse;
 
-            CLogMessage(this).info("Received header for shared file of '%1' from '%2'") << fileName << headerResponse.getUrl().toQString();
+            CLogMessage(this).info(u"Received header for shared file of '%1' from '%2'") << fileName << headerResponse.getUrl().toQString();
             emit this->sharedFileHeaderRead(entity, fileName, !headerResponse.hasWarningOrAboveMessage());
         }
 
@@ -618,8 +618,8 @@ namespace BlackCore
             {
                 const bool s = this->readFromJsonFilesInBackground(CDirectoryUtils::staticDbFilesDirectory(), entities, overrideNewerOnly);
                 return s ?
-                       CStatusMessage(this).info("Started reading in background from '%1' of entities: '%2'") << CDirectoryUtils::staticDbFilesDirectory() << CEntityFlags::flagToString(entities) :
-                       CStatusMessage(this).error("Starting reading in background from '%1' of entities: '%2' failed") << CDirectoryUtils::staticDbFilesDirectory() << CEntityFlags::flagToString(entities);
+                       CStatusMessage(this).info(u"Started reading in background from '%1' of entities: '%2'") << CDirectoryUtils::staticDbFilesDirectory() << CEntityFlags::flagToString(entities) :
+                       CStatusMessage(this).error(u"Starting reading in background from '%1' of entities: '%2' failed") << CDirectoryUtils::staticDbFilesDirectory() << CEntityFlags::flagToString(entities);
             }
             else
             {
@@ -657,19 +657,19 @@ namespace BlackCore
             const qint64 cacheTs = cacheDateTime.toUTC().toMSecsSinceEpoch();
             if (fileTs > cacheTs)
             {
-                msgs.push_back(CStatusMessage(this).info("File '%1' is newer than cache (%2)") << fileInfo.absoluteFilePath() << cacheDateTime.toUTC().toString());
+                msgs.push_back(CStatusMessage(this).info(u"File '%1' is newer than cache (%2)") << fileInfo.absoluteFilePath() << cacheDateTime.toUTC().toString());
                 return true;
             }
             else
             {
-                msgs.push_back(CStatusMessage(this).info("File '%1' is not newer than cache (%2)") << fileInfo.absoluteFilePath() << cacheDateTime.toUTC().toString());
+                msgs.push_back(CStatusMessage(this).info(u"File '%1' is not newer than cache (%2)") << fileInfo.absoluteFilePath() << cacheDateTime.toUTC().toString());
                 return true;
             }
         }
 
         void CDatabaseReader::logParseMessage(const QString &entity, int size, int msElapsed, const CDatabaseReader::JsonDatastoreResponse &response) const
         {
-            CLogMessage(this).info("Parsed %1 %2 in %3ms, thread %4 | '%5'")
+            CLogMessage(this).info(u"Parsed %1 %2 in %3ms, thread %4 | '%5'")
                     << size << entity << msElapsed
                     << CThreadUtils::currentThreadInfo() << response.toQString();
         }
diff --git a/src/blackcore/db/databaseutils.cpp b/src/blackcore/db/databaseutils.cpp
index d0aa87b11..6729eb40f 100644
--- a/src/blackcore/db/databaseutils.cpp
+++ b/src/blackcore/db/databaseutils.cpp
@@ -197,7 +197,7 @@ namespace BlackCore
                     consolidatedModels.push_back(model);
                 }
             }
-            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info("Consolidated %1 vs. %2 in %3 ms") << models.size() << simulatorModels.size() << timer.elapsed() << "ms";
+            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info(u"Consolidated %1 vs. %2 in %3 ms") << models.size() << simulatorModels.size() << timer.elapsed() << "ms";
             return consolidatedModels;
         }
 
@@ -218,7 +218,7 @@ namespace BlackCore
                     if (processEvents && c % 125 == 0) { sApp->processEventsFor(25); }
                 }
             }
-            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info("Consolidated %1 models in %2ms") << models.size() << timer.elapsed();
+            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info(u"Consolidated %1 models in %2ms") << models.size() << timer.elapsed();
             return c;
         }
 
@@ -242,7 +242,7 @@ namespace BlackCore
                 model = consolidated;
                 c++;
             }
-            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info("Consolidated %1 models in %2 ms") << simulatorModels.size() << timer.elapsed();
+            CLogMessage(static_cast<CDatabaseUtils *>(nullptr)).info(u"Consolidated %1 models in %2 ms") << simulatorModels.size() << timer.elapsed();
             return c;
         }
 
@@ -340,7 +340,7 @@ namespace BlackCore
                 stashModels.push_back(dbModel); // changed DB model
                 if (updateInfo)
                 {
-                    const CStatusMessage m = CStatusMessage(getLogCategories()).info("%1 -> %2 (%3) for '%4'")
+                    const CStatusMessage m = CStatusMessage(getLogCategories()).info(u"%1 -> %2 (%3) for '%4'")
                                              << dbModelSimulator.toQString(true) << simulator.toQString(true)
                                              << delta.toQString(true) << dbModel.getModelStringAndDbKey();
                     updateInfo->push_back(m);
diff --git a/src/blackcore/db/icaodatareader.cpp b/src/blackcore/db/icaodatareader.cpp
index 27aa2420f..9948f8f5a 100644
--- a/src/blackcore/db/icaodatareader.cpp
+++ b/src/blackcore/db/icaodatareader.cpp
@@ -300,7 +300,7 @@ namespace BlackCore
             qint64 latestTimestamp = codes.latestTimestampMsecsSinceEpoch(); // ignores duplicates
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in aircraft ICAO list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in aircraft ICAO list, setting to last modified value");
                 latestTimestamp = this->lastModifiedMsSinceEpoch(nwReply.data());
             }
 
@@ -354,7 +354,7 @@ namespace BlackCore
             qint64 latestTimestamp = codes.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in airline ICAO list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in airline ICAO list, setting to last modified value");
                 latestTimestamp = this->lastModifiedMsSinceEpoch(nwReply.data());
             }
 
@@ -398,7 +398,7 @@ namespace BlackCore
             qint64 latestTimestamp = countries.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in country list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in country list, setting to last modified value");
                 latestTimestamp = this->lastModifiedMsSinceEpoch(nwReply.data());
             }
 
@@ -413,7 +413,7 @@ namespace BlackCore
             const QDir directory(dir);
             if (!directory.exists())
             {
-                return CStatusMessage(this).error("Missing directory '%1'") << dir;
+                return CStatusMessage(this).error(u"Missing directory '%1'") << dir;
             }
 
             // Hint: Do not emit while locked -> deadlock
@@ -426,7 +426,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::CountryEntity, msgs))
                 {
@@ -437,7 +437,7 @@ namespace BlackCore
                     const QJsonObject countriesJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (countriesJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
@@ -464,7 +464,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::AircraftIcaoEntity, msgs))
                 {
@@ -475,7 +475,7 @@ namespace BlackCore
                     const QJsonObject aircraftJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (aircraftJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
@@ -502,7 +502,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::AirlineIcaoEntity, msgs))
                 {
@@ -513,7 +513,7 @@ namespace BlackCore
                     const QJsonObject airlineJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (airlineJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
diff --git a/src/blackcore/db/infodatareader.cpp b/src/blackcore/db/infodatareader.cpp
index 8bc44bf00..1d90cdbe2 100644
--- a/src/blackcore/db/infodatareader.cpp
+++ b/src/blackcore/db/infodatareader.cpp
@@ -146,7 +146,7 @@ namespace BlackCore
 
             if (urlLogList.hasPending())
             {
-                CLogMessage(this).info("Info data reading still pending, summary: '%1'") << urlLogList.getSummary();
+                CLogMessage(this).info(u"Info data reading still pending, summary: '%1'") << urlLogList.getSummary();
                 return;
             }
             if (!url.isEmpty())
@@ -229,7 +229,7 @@ namespace BlackCore
             Q_UNUSED(overrideNewer);
             Q_ASSERT_X(false, Q_FUNC_INFO, "Not supported");
 
-            return CStatusMessage(this).error("Not supported");
+            return CStatusMessage(this).error(u"Not supported");
         }
 
         bool CInfoDataReader::readFromJsonFilesInBackground(const QString &dir, CEntityFlags::Entity whatToRead, bool overrideNewer)
diff --git a/src/blackcore/db/modeldatareader.cpp b/src/blackcore/db/modeldatareader.cpp
index bc800200c..11abf0c5f 100644
--- a/src/blackcore/db/modeldatareader.cpp
+++ b/src/blackcore/db/modeldatareader.cpp
@@ -310,7 +310,7 @@ namespace BlackCore
             qint64 latestTimestamp = liveries.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in livery list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in livery list, setting to last modified value");
                 latestTimestamp = lastModifiedMsSinceEpoch(nwReply.data());
             }
             const CStatusMessage cacheMsg = m_liveryCache.set(liveries, latestTimestamp);
@@ -357,7 +357,7 @@ namespace BlackCore
             qint64 latestTimestamp = distributors.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in distributor list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in distributor list, setting to last modified value");
                 latestTimestamp = lastModifiedMsSinceEpoch(nwReply.data());
             }
 
@@ -406,7 +406,7 @@ namespace BlackCore
             qint64 latestTimestamp = models.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
             {
-                CLogMessage(this).error("No timestamp in model list, setting to last modified value");
+                CLogMessage(this).error(u"No timestamp in model list, setting to last modified value");
                 latestTimestamp = lastModifiedMsSinceEpoch(nwReply.data());
             }
             const CStatusMessage cacheMsg = m_modelCache.set(models, latestTimestamp);
@@ -421,7 +421,7 @@ namespace BlackCore
             const QDir directory(dir);
             if (!directory.exists())
             {
-                return CStatusMessage(this).error("Missing directory '%1'") << dir;
+                return CStatusMessage(this).error(u"Missing directory '%1'") << dir;
             }
 
             whatToRead &= CEntityFlags::DistributorLiveryModel; // supported
@@ -434,7 +434,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::LiveryEntity, msgs))
                 {
@@ -445,7 +445,7 @@ namespace BlackCore
                     const QJsonObject liveriesJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (liveriesJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
@@ -472,7 +472,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::ModelEntity, msgs))
                 {
@@ -483,7 +483,7 @@ namespace BlackCore
                     const QJsonObject modelsJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (modelsJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
@@ -510,7 +510,7 @@ namespace BlackCore
                 const QFileInfo fi(fileName);
                 if (!fi.exists())
                 {
-                    msgs.push_back(CStatusMessage(this).warning("File '%1' does not exist") << fileName);
+                    msgs.push_back(CStatusMessage(this).warning(u"File '%1' does not exist") << fileName);
                 }
                 else if (!this->overrideCacheFromFile(overrideNewerOnly, fi, CEntityFlags::DistributorEntity, msgs))
                 {
@@ -521,7 +521,7 @@ namespace BlackCore
                     const QJsonObject distributorsJson(CDatabaseUtils::readQJsonObjectFromDatabaseFile(fileName));
                     if (distributorsJson.isEmpty())
                     {
-                        msgs.push_back(CStatusMessage(this).error("Failed to read from file/empty file '%1'") << fileName);
+                        msgs.push_back(CStatusMessage(this).error(u"Failed to read from file/empty file '%1'") << fileName);
                     }
                     else
                     {
diff --git a/src/blackcore/db/networkwatchdog.cpp b/src/blackcore/db/networkwatchdog.cpp
index 5a08a68d5..6caf62d70 100644
--- a/src/blackcore/db/networkwatchdog.cpp
+++ b/src/blackcore/db/networkwatchdog.cpp
@@ -329,7 +329,7 @@ namespace BlackCore
                 // be a little less verbose
                 if ((m_totalGoodCountDb % 5 == 0) || m_consecutivePingBadCount > 0)
                 {
-                    CLogMessage(this).info("Watchdog pinged '%1'")  << url;
+                    CLogMessage(this).info(u"Watchdog pinged '%1'")  << url;
                 }
                 m_totalGoodCountDb++;
                 m_consecutivePingBadCount = 0;
@@ -340,7 +340,7 @@ namespace BlackCore
                 m_consecutivePingBadCount++;
                 if (m_logOwnMessages)
                 {
-                    CStatusMessage(this).warning("Watchdog ping failed, error: '%1', total good/bad DB counts: %2/%3") << errorString << m_totalGoodCountDb << m_totalBadCountDb;
+                    CStatusMessage(this).warning(u"Watchdog ping failed, error: '%1', total good/bad DB counts: %2/%3") << errorString << m_totalGoodCountDb << m_totalBadCountDb;
                 }
             }
             this->setDbAccessibility(ok);
diff --git a/src/blackcore/pluginmanager.cpp b/src/blackcore/pluginmanager.cpp
index a2c05c5f1..8bb5ef9c8 100644
--- a/src/blackcore/pluginmanager.cpp
+++ b/src/blackcore/pluginmanager.cpp
@@ -34,7 +34,7 @@ namespace BlackCore
         QDir pluginDir(pluginDirectory());
         if (!pluginDir.exists())
         {
-            CLogMessage(this).warning("No such directory: %1") << pluginDir.path();
+            CLogMessage(this).warning(u"No such directory: %1") << pluginDir.path();
             return;
         }
 
@@ -100,7 +100,7 @@ namespace BlackCore
         const QJsonObject json = loader.metaData();
         if (!isValid(json))
         {
-            CLogMessage(this).warning("Plugin '%1' invalid, not loading it") << path;
+            CLogMessage(this).warning(u"Plugin '%1' invalid, not loading it") << path;
             return false;
         }
 
@@ -129,7 +129,7 @@ namespace BlackCore
 
         if (!m_paths.contains(identifier))
         {
-            CLogMessage(this).warning("Plugin with id '%1' does not exist") << identifier;
+            CLogMessage(this).warning(u"Plugin with id '%1' does not exist") << identifier;
             return nullptr;
         }
 
diff --git a/src/blackcore/pluginmanagersimulator.cpp b/src/blackcore/pluginmanagersimulator.cpp
index 3be99ec42..b7b8c93cf 100644
--- a/src/blackcore/pluginmanagersimulator.cpp
+++ b/src/blackcore/pluginmanagersimulator.cpp
@@ -41,7 +41,7 @@ namespace BlackCore
             ISimulatorFactory *factory = this->getFactory(pluginId);
             if (!factory)
             {
-                CLogMessage(this).warning("Could not load plugin '%1'.") << pluginId;
+                CLogMessage(this).warning(u"Could not load plugin '%1'.") << pluginId;
                 m_plugins.remove(pluginId);
                 return nullptr;
             }
diff --git a/src/blackcore/setupreader.cpp b/src/blackcore/setupreader.cpp
index 165e7b2fd..dc430d32a 100644
--- a/src/blackcore/setupreader.cpp
+++ b/src/blackcore/setupreader.cpp
@@ -262,7 +262,7 @@ namespace BlackCore
                 if (!m_lastSuccessfulSetupUrl.isEmpty())
                 {
                     // already read
-                    CLogMessage(this).info("Cancel second bootstrap read ('%1'), as there was a 1st read: '%2'") << url.toQString() << m_lastSuccessfulSetupUrl;
+                    CLogMessage(this).info(u"Cancel second bootstrap read ('%1'), as there was a 1st read: '%2'") << url.toQString() << m_lastSuccessfulSetupUrl;
                     return;
                 }
                 sApp->getFromNetwork(url.toNetworkRequest(), { this, &CSetupReader::parseBootstrapFile });
@@ -283,14 +283,14 @@ namespace BlackCore
         const CUrlList randomUrls = m_updateInfoUrls.randomElements(2);
         if (randomUrls.isEmpty())
         {
-            CLogMessage(this).warning("Cannot read update info, no URLs");
+            CLogMessage(this).warning(u"Cannot read update info, no URLs");
             this->manageUpdateInfoAvailability(false);
             return;
         }
 
         if (m_updateInfo.lastUpdatedAge() < 5000)
         {
-            CLogMessage(this).info("Update info just updated, skip read");
+            CLogMessage(this).info(u"Update info just updated, skip read");
             return;
         }
 
@@ -308,7 +308,7 @@ namespace BlackCore
             if (!m_lastSuccessfulUpdateInfoUrl.isEmpty())
             {
                 // already read
-                CLogMessage(this).info("Cancel second update info read ('%1'), as there was a 1st read '%2'") << url.toQString() << m_lastSuccessfulUpdateInfoUrl;
+                CLogMessage(this).info(u"Cancel second update info read ('%1'), as there was a 1st read '%2'") << url.toQString() << m_lastSuccessfulUpdateInfoUrl;
                 return;
             }
             sApp->getFromNetwork(url.toNetworkRequest(), { this, &CSetupReader::parseUpdateInfoFile });
@@ -331,15 +331,15 @@ namespace BlackCore
 
     CStatusMessageList CSetupReader::readLocalBootstrapFile(const QString &fileName)
     {
-        if (fileName.isEmpty()) { return CStatusMessage(this).error("No file name for local bootstrap file"); }
-        if (!sApp || sApp->isShuttingDown()) { return CStatusMessage(this).error("No sApp, shutting down?"); }
+        if (fileName.isEmpty()) { return CStatusMessage(this).error(u"No file name for local bootstrap file"); }
+        if (!sApp || sApp->isShuttingDown()) { return CStatusMessage(this).error(u"No sApp, shutting down?"); }
         QString fn;
         const QFile file(fileName);
         if (!file.exists())
         {
             // relative name?
             const QString dir(sApp->getCmdSwiftPrivateSharedDir());
-            if (dir.isEmpty()) { return CStatusMessage(this).error("Empty shared directory '%1' for bootstrap file") << dir; }
+            if (dir.isEmpty()) { return CStatusMessage(this).error(u"Empty shared directory '%1' for bootstrap file") << dir; }
 
             // no version for local files, as those come with the current code
             fn = CFileUtils::appendFilePaths(dir, "bootstrap/" + CDirectoryUtils::bootstrapFileName());
@@ -350,7 +350,7 @@ namespace BlackCore
         }
 
         const QString content(CFileUtils::readFileToString(fn));
-        if (content.isEmpty()) { return CStatusMessage(this).error("File '%1' not existing or empty") << fn; }
+        if (content.isEmpty()) { return CStatusMessage(this).error(u"File '%1' not existing or empty") << fn; }
 
         try
         {
@@ -358,7 +358,7 @@ namespace BlackCore
             s.convertFromJson(content);
             s.markAsLoadedFromFile(true);
             const CStatusMessage setMsg = m_setup.set(s);
-            const CStatusMessage setInfo = CStatusMessage(this).info("Setup cache updated from local file '%1'") << fn;
+            const CStatusMessage setInfo = CStatusMessage(this).info(u"Setup cache updated from local file '%1'") << fn;
             return setMsg.isSuccess() ? setInfo : setMsg;
         }
         catch (const CJsonException &ex)
@@ -384,7 +384,7 @@ namespace BlackCore
             nwReplyPtr->close();
             if (setupJson.isEmpty())
             {
-                const CStatusMessage m = CLogMessage(this).info("No bootstrap setup file at '%1'") << urlString;
+                const CStatusMessage m = CLogMessage(this).info(u"No bootstrap setup file at '%1'") << urlString;
                 emit this->setupLoadingMessages(m);
             }
             else
@@ -403,7 +403,7 @@ namespace BlackCore
                     if (sameVersionLoaded)
                     {
                         m_updateInfoUrls = currentSetup.getSwiftUpdateInfoFileUrls(); // defaults
-                        CLogMessage(this).info("Same setup version loaded from '%1' as already in data cache '%2'") << urlString << m_setup.getFilename();
+                        CLogMessage(this).info(u"Same setup version loaded from '%1' as already in data cache '%2'") << urlString << m_setup.getFilename();
                         CLogMessage::preformatted(this->manageSetupAvailability(true));
                         return; // success
                     }
@@ -416,9 +416,9 @@ namespace BlackCore
                     {
                         // no issue with cache
                         m_updateInfoUrls = loadedSetup.getSwiftUpdateInfoFileUrls();
-                        const CStatusMessage m = CLogMessage(this).info("Loaded setup from '%1'") << urlString;
+                        const CStatusMessage m = CLogMessage(this).info(u"Loaded setup from '%1'") << urlString;
                         emit this->setupLoadingMessages(m);
-                        CLogMessage(this).info("Setup: Updated data cache in '%1'") << m_setup.getFilename();
+                        CLogMessage(this).info(u"Setup: Updated data cache in '%1'") << m_setup.getFilename();
                         {
                             QWriteLocker l(&m_lockSetup);
                             m_lastSuccessfulSetupUrl = urlString;
@@ -473,7 +473,7 @@ namespace BlackCore
             nwReplyPtr->close();
             if (updateInfoJsonString.isEmpty())
             {
-                CLogMessage(this).info("No update info file content");
+                CLogMessage(this).info(u"No update info file content");
                 // try next URL
             }
             else
@@ -483,7 +483,7 @@ namespace BlackCore
                     const CUpdateInfo updateInfo = CUpdateInfo::fromDatabaseJson(updateInfoJsonString);
                     if (updateInfo.isEmpty())
                     {
-                        CLogMessage(this).error("Loading of update info yielded no data");
+                        CLogMessage(this).error(u"Loading of update info yielded no data");
                         this->manageUpdateInfoAvailability(false);
                     }
                     else
@@ -501,8 +501,8 @@ namespace BlackCore
                                 QWriteLocker l(&m_lockUpdateInfo);
                                 m_lastSuccessfulUpdateInfoUrl = urlString;
                             }
-                            CLogMessage(this).info("Update info loaded from '%1") << urlString;
-                            CLogMessage(this).info("Update info: Updated data cache in '%1', artifacts: %2, distributions: %3") << m_updateInfo.getFilename() << updateInfo.getArtifactsPilotClient().size() << updateInfo.getDistributions().size();
+                            CLogMessage(this).info(u"Update info loaded from '%1") << urlString;
+                            CLogMessage(this).info(u"Update info: Updated data cache in '%1', artifacts: %2, distributions: %3") << m_updateInfo.getFilename() << updateInfo.getArtifactsPilotClient().size() << updateInfo.getDistributions().size();
                             this->manageUpdateInfoAvailability(true);
                         } // cache
                     }
@@ -578,7 +578,7 @@ namespace BlackCore
         const bool cacheAvailable = cachedSetup.wasLoaded();
         if (cacheAvailable)
         {
-            CLogMessage(this).info("Setup cache prefill (bootstrap already cached, no prefill needed");
+            CLogMessage(this).info(u"Setup cache prefill (bootstrap already cached, no prefill needed");
             return false;
         }
         const QString fn = CDirectoryUtils::bootstrapResourceFilePath();
@@ -659,7 +659,7 @@ namespace BlackCore
 
         if (webRead)
         {
-            msgs.push_back(CStatusMessage(this).info("Setup loaded from web, will trigger read of update information"));
+            msgs.push_back(CStatusMessage(this).info(u"Setup loaded from web, will trigger read of update information"));
             QTimer::singleShot(500, this, [ = ]
             {
                 if (!myself) { return; }
@@ -669,7 +669,7 @@ namespace BlackCore
 
         if (localRead)
         {
-            msgs.push_back(CStatusMessage(this).info("Setup loaded locally, will trigger read of update information"));
+            msgs.push_back(CStatusMessage(this).info(u"Setup loaded locally, will trigger read of update information"));
             QTimer::singleShot(500, this, [ = ]
             {
                 if (!myself) { return; }
@@ -705,7 +705,7 @@ namespace BlackCore
 
         if (!webRead && !localRead)
         {
-            msgs.push_back(CStatusMessage(this).warning("Since setup was not updated this time, will not start loading of update information"));
+            msgs.push_back(CStatusMessage(this).warning(u"Since setup was not updated this time, will not start loading of update information"));
             this->manageUpdateInfoAvailability(false);
         }
         return msgs;
diff --git a/src/blackcore/simulator.cpp b/src/blackcore/simulator.cpp
index af0ec4f82..2872ff8dc 100644
--- a/src/blackcore/simulator.cpp
+++ b/src/blackcore/simulator.cpp
@@ -165,7 +165,7 @@ namespace BlackCore
     {
         if (!this->showDebugLogMessage()) { return; }
         if (msg.isEmpty()) { return; }
-        const CStatusMessage m = CStatusMessage(this).info("%1") << msg;
+        const CStatusMessage m = CStatusMessage(this).info(u"%1") << msg;
         emit this->driverMessages(m);
     }
 
@@ -173,7 +173,7 @@ namespace BlackCore
     {
         if (!this->showDebugLogMessage()) { return; }
         if (msg.isEmpty()) { return; }
-        const CStatusMessage m = CStatusMessage(this).info("%1 %2") << msg << funcInfo;
+        const CStatusMessage m = CStatusMessage(this).info(u"%1 %2") << msg << funcInfo;
         emit this->driverMessages(m);
     }
 
@@ -383,14 +383,14 @@ namespace BlackCore
             const QString part2 = parser.part(2).toLower();
             if (part2 == "off" || part2 == "false")
             {
-                CStatusMessage(this).info("Disabled interpolation logging");
+                CStatusMessage(this).info(u"Disabled interpolation logging");
                 this->clearInterpolationLogCallsigns();
                 return true;
             }
             if (part2 == "clear" || part2 == "clr")
             {
                 m_interpolationLogger.clearLog();
-                CStatusMessage(this).info("Cleared interpolation logging");
+                CStatusMessage(this).info(u"Cleared interpolation logging");
                 this->clearInterpolationLogCallsigns();
                 return true;
             }
@@ -401,7 +401,7 @@ namespace BlackCore
                 const int max = parser.part(3).toInt(&ok);
                 if (!ok) { return false; }
                 m_interpolationLogger.setMaxSituations(max);
-                CStatusMessage(this).info("Max.situations logged: %1") << max;
+                CStatusMessage(this).info(u"Max.situations logged: %1") << max;
                 return true;
             }
             if (part2 == "write" || part2 == "save")
@@ -411,7 +411,7 @@ namespace BlackCore
 
                 // write
                 m_interpolationLogger.writeLogInBackground();
-                CLogMessage(this).info("Started writing interpolation log");
+                CLogMessage(this).info(u"Started writing interpolation log");
                 return true;
             }
             if (part2 == "show")
@@ -424,7 +424,7 @@ namespace BlackCore
                 }
                 else
                 {
-                    CLogMessage(this).warning("No interpolation log directory");
+                    CLogMessage(this).warning(u"No interpolation log directory");
                 }
                 return true;
             }
@@ -433,13 +433,13 @@ namespace BlackCore
             if (!cs.isValid()) { return false; }
             if (this->getAircraftInRangeCallsigns().contains(cs))
             {
-                CLogMessage(this).info("Will log interpolation for '%1'") << cs.asString();
+                CLogMessage(this).info(u"Will log interpolation for '%1'") << cs.asString();
                 this->setLogCallsign(true, cs);
                 return true;
             }
             else
             {
-                CLogMessage(this).warning("Cannot log interpolation for '%1', no aircraft in range") << cs.asString();
+                CLogMessage(this).warning(u"Cannot log interpolation for '%1', no aircraft in range") << cs.asString();
                 return false;
             }
         } // logint
@@ -450,7 +450,8 @@ namespace BlackCore
             {
                 const CCallsign cs(parser.part(2));
                 const bool changed = this->setInterpolationMode(part1, cs);
-                CLogMessage(this).info(changed ? "Changed interpolation mode for '%1'" : "Unchanged interpolation mode for '%1'") << cs.asString();
+                CLogMessage(this).info(changed ? QStringLiteral("Changed interpolation mode for '%1'")
+                                               : QStringLiteral("Unchanged interpolation mode for '%1'")) << cs.asString();
                 return true;
             }
             else
@@ -458,7 +459,8 @@ namespace BlackCore
                 CInterpolationAndRenderingSetupGlobal setup = this->getInterpolationSetupGlobal();
                 const bool changed = setup.setInterpolatorMode(part1);
                 if (changed) { this->setInterpolationSetupGlobal(setup); }
-                CLogMessage(this).info(changed ? "Changed interpolation mode globally" : "Unchanged interpolation mode");
+                CLogMessage(this).info(changed ? QStringLiteral("Changed interpolation mode globally")
+                                               : QStringLiteral("Unchanged interpolation mode"));
                 return true;
             }
         } // spline/linear
@@ -476,7 +478,7 @@ namespace BlackCore
             }
 
             this->setLogCallsign(true, cs);
-            CLogMessage(this).info("Display position for '%1'") << cs.asString();
+            CLogMessage(this).info(u"Display position for '%1'") << cs.asString();
             this->displayLoggedSituationInSimulator(cs, true);
             return true;
         }
@@ -522,7 +524,7 @@ namespace BlackCore
         {
             const int perSecond = parser.toInt(2, -1);
             this->limitToUpdatesPerSecond(perSecond);
-            CLogMessage(this).info("Remote aircraft updates limitations: %1") << this->updateAircraftLimitationInfo();
+            CLogMessage(this).info(u"Remote aircraft updates limitations: %1") << this->updateAircraftLimitationInfo();
             return true;
         }
 
@@ -658,7 +660,7 @@ namespace BlackCore
         connect(this, &ISimulator::ownAircraftModelChanged, this, &ISimulator::onOwnModelChanged, Qt::QueuedConnection);
 
         // info
-        CLogMessage(this).info("Initialized simulator driver: '%1'") <<
+        CLogMessage(this).info(u"Initialized simulator driver: '%1'") <<
                 (this->getSimulatorInfo().isUnspecified() ?
                  this->getSimulatorPluginInfo().toQString() :
                  this->getSimulatorInfo().toQString());
@@ -999,7 +1001,7 @@ namespace BlackCore
     {
         CStatusMessageList msgs;
         if (!CBuildConfig::isLocalDeveloperDebugBuild()) { return msgs; }
-        if (!m_addAgainAircraftWhenRemoved.isEmpty()) { msgs.push_back(CStatusMessage(this).error("m_addAgainAircraftWhenRemoved not empty: '%1'") << m_addAgainAircraftWhenRemoved.getCallsignStrings(true).join(", ")); }
+        if (!m_addAgainAircraftWhenRemoved.isEmpty()) { msgs.push_back(CStatusMessage(this).error(u"m_addAgainAircraftWhenRemoved not empty: '%1'") << m_addAgainAircraftWhenRemoved.getCallsignStrings(true).join(", ")); }
         return msgs;
     }
 
diff --git a/src/blackcore/threadedreader.cpp b/src/blackcore/threadedreader.cpp
index f3e1cc16d..006f5b117 100644
--- a/src/blackcore/threadedreader.cpp
+++ b/src/blackcore/threadedreader.cpp
@@ -177,7 +177,7 @@ namespace BlackCore
         const CUrlLogList outdatedPendingUrls = m_urlReadLog.findOutdatedPending(OutdatedPendingCallMs);
         if (!outdatedPendingUrls.isEmpty())
         {
-            CLogMessage(this).warning("Detected outdated reader pending calls: '%1'") << outdatedPendingUrls.toQString(true);
+            CLogMessage(this).warning(u"Detected outdated reader pending calls: '%1'") << outdatedPendingUrls.toQString(true);
             m_urlReadLog.removeOlderThanNowMinusOffset(OutdatedPendingCallMs); // clean up
         }
 
diff --git a/src/blackcore/vatsim/audiodevicevatlib.cpp b/src/blackcore/vatsim/audiodevicevatlib.cpp
index 052cb1fbf..776990b12 100644
--- a/src/blackcore/vatsim/audiodevicevatlib.cpp
+++ b/src/blackcore/vatsim/audiodevicevatlib.cpp
@@ -59,13 +59,13 @@ namespace BlackCore
             Q_ASSERT_X(m_inputCodec, "CAudioInputDeviceVatlib", "VatLocalCodec is invalid!");
             if (!device.isValid())
             {
-                CLogMessage(this).warning("Cannot set invalid input device!");
+                CLogMessage(this).warning(u"Cannot set invalid input device!");
                 return;
             }
 
             if (!Vat_SetAudioInputDevice(m_inputCodec.data(), device.getIndex()))
             {
-                CLogMessage(this).warning("Setting input device failed");
+                CLogMessage(this).warning(u"Setting input device failed");
             }
             m_currentDevice = device;
         }
@@ -100,7 +100,7 @@ namespace BlackCore
             Q_ASSERT_X(m_outputCodec, "CAudioOutputDeviceVatlib", "VatLocalCodec is invalid!");
             if (!device.isValid())
             {
-                CLogMessage(this).warning("Cannot set invalid output device!");
+                CLogMessage(this).warning(u"Cannot set invalid output device!");
                 return;
             }
 
diff --git a/src/blackcore/vatsim/networkvatlib.cpp b/src/blackcore/vatsim/networkvatlib.cpp
index 2466453cd..6c257acf3 100644
--- a/src/blackcore/vatsim/networkvatlib.cpp
+++ b/src/blackcore/vatsim/networkvatlib.cpp
@@ -974,7 +974,7 @@ namespace BlackCore
             {
                 if (CBuildConfig::isLocalDeveloperDebugBuild())
                 {
-                    CLogMessage(static_cast<CNetworkVatlib *>(nullptr)).debug("Wrong transponder code '%1' for '%2'") << position->transponderCode << callsign;
+                    CLogMessage(static_cast<CNetworkVatlib *>(nullptr)).debug(u"Wrong transponder code '%1' for '%2'") << position->transponderCode << callsign;
                 }
 
                 // I set a default: IFR standby is a reasonable default
@@ -993,7 +993,7 @@ namespace BlackCore
 
             if (parserError.error != QJsonParseError::NoError)
             {
-                CLogMessage(self).warning("Failed to parse aircraft config packet: '%1' packet: '%2'") << parserError.errorString() << QString(json);
+                CLogMessage(self).warning(u"Failed to parse aircraft config packet: '%1' packet: '%2'") << parserError.errorString() << QString(json);
                 return; // we cannot parse the packet, so we give up here
             }
 
@@ -1075,7 +1075,7 @@ namespace BlackCore
             {
                 if (data.size() < 9)
                 {
-                    CLogMessage(this).warning("Malformed FSIPI packet");
+                    CLogMessage(this).warning(u"Malformed FSIPI packet");
                 }
                 else
                 {
@@ -1088,7 +1088,7 @@ namespace BlackCore
             {
                 if (data.size() < 9)
                 {
-                    CLogMessage(this).warning("Malformed FSIPIR packet");
+                    CLogMessage(this).warning(u"Malformed FSIPIR packet");
                 }
                 else
                 {
@@ -1108,7 +1108,7 @@ namespace BlackCore
             }
             else
             {
-                CLogMessage(this).warning("Unknown custom packet from %1 - id: %2") << callsign.toQString() << packetId;
+                CLogMessage(this).warning(u"Unknown custom packet from %1 - id: %2") << callsign.toQString() << packetId;
             }
         }
 
@@ -1476,30 +1476,30 @@ namespace BlackCore
             auto *self = cbvar_cast(cbvar);
             switch (error)
             {
-            case vatServerErrorCsInUs:          CLogMessage(self).error("The requested callsign is already taken"); emit self->terminate(); break;
-            case vatServerErrorCallsignInvalid: CLogMessage(self).error("The requested callsign is not valid"); emit self->terminate(); break;
-            case vatServerErrorCidInvalid:      CLogMessage(self).error("Wrong user ID or password"); emit self->terminate(); break;
-            case vatServerErrorRevision:        CLogMessage(self).error("This server does not support our protocol version"); emit self->terminate(); break;
-            case vatServerErrorLevel:           CLogMessage(self).error("You are not authorized to use the requested pilot rating"); emit self->terminate(); break;
-            case vatServerErrorServFull:        CLogMessage(self).error("The server is full"); emit self->terminate(); break;
-            case vatServerErrorCsSuspended:     CLogMessage(self).error("Your user account is suspended"); emit self->terminate(); break;
-            case vatServerErrorInvPos:          CLogMessage(self).error("You are not authorized to use the requested rating"); emit self->terminate(); break;
-            case vatServerErrorUnAuth:          CLogMessage(self).error("This software is not authorized for use on this network"); emit self->terminate(); break;
+            case vatServerErrorCsInUs:          CLogMessage(self).error(u"The requested callsign is already taken"); emit self->terminate(); break;
+            case vatServerErrorCallsignInvalid: CLogMessage(self).error(u"The requested callsign is not valid"); emit self->terminate(); break;
+            case vatServerErrorCidInvalid:      CLogMessage(self).error(u"Wrong user ID or password"); emit self->terminate(); break;
+            case vatServerErrorRevision:        CLogMessage(self).error(u"This server does not support our protocol version"); emit self->terminate(); break;
+            case vatServerErrorLevel:           CLogMessage(self).error(u"You are not authorized to use the requested pilot rating"); emit self->terminate(); break;
+            case vatServerErrorServFull:        CLogMessage(self).error(u"The server is full"); emit self->terminate(); break;
+            case vatServerErrorCsSuspended:     CLogMessage(self).error(u"Your user account is suspended"); emit self->terminate(); break;
+            case vatServerErrorInvPos:          CLogMessage(self).error(u"You are not authorized to use the requested rating"); emit self->terminate(); break;
+            case vatServerErrorUnAuth:          CLogMessage(self).error(u"This software is not authorized for use on this network"); emit self->terminate(); break;
 
-            case vatServerErrorNone:            CLogMessage(self).info("OK"); break;
-            case vatServerErrorSyntax:          CLogMessage(self).info("Malformed packet: Syntax error: %1") << self->fromFSD(data); break;
-            case vatServerErrorSrcInvalid:      CLogMessage(self).info("Server: source invalid %1") << self->fromFSD(data); break;
-            case vatServerErrorNoSuchCs:        CLogMessage(self).info("Shim lib: %1 (%2)") << self->fromFSD(msg) << self->fromFSD(data); break;
-            case vatServerErrorNoFP:            CLogMessage(self).info("Server: no flight plan"); break;
-            case vatServerErrorNoWeather:       CLogMessage(self).info("Server: requested weather profile does not exist"); break;
+            case vatServerErrorNone:            CLogMessage(self).info(u"OK"); break;
+            case vatServerErrorSyntax:          CLogMessage(self).info(u"Malformed packet: Syntax error: %1") << self->fromFSD(data); break;
+            case vatServerErrorSrcInvalid:      CLogMessage(self).info(u"Server: source invalid %1") << self->fromFSD(data); break;
+            case vatServerErrorNoSuchCs:        CLogMessage(self).info(u"Shim lib: %1 (%2)") << self->fromFSD(msg) << self->fromFSD(data); break;
+            case vatServerErrorNoFP:            CLogMessage(self).info(u"Server: no flight plan"); break;
+            case vatServerErrorNoWeather:       CLogMessage(self).info(u"Server: requested weather profile does not exist"); break;
 
             // we have no idea what these mean
             case vatServerErrorRegistered:
-            case vatServerErrorInvalidCtrl:     CLogMessage(self).info("Server: ") << self->fromFSD(msg); break;
+            case vatServerErrorInvalidCtrl:     CLogMessage(self).info(u"Server: ") << self->fromFSD(msg); break;
 
             // default:                         qFatal("vatlib: %s (error %d)", msg, error); emit self->terminate();
             // KB: Why the hard termination?
-            default:                            CLogMessage(self).error("vatlib: %1 (error %2)") << msg << error; emit self->terminate(); break;
+            default:                            CLogMessage(self).error(u"vatlib: %1 (error %2)") << msg << error; emit self->terminate(); break;
             }
         }
 
diff --git a/src/blackcore/vatsim/vatsimbookingreader.cpp b/src/blackcore/vatsim/vatsimbookingreader.cpp
index f8451e6a3..c19453668 100644
--- a/src/blackcore/vatsim/vatsimbookingreader.cpp
+++ b/src/blackcore/vatsim/vatsimbookingreader.cpp
@@ -89,7 +89,7 @@ namespace BlackCore
             // Worker thread, make sure to write no members here od do it threadsafe
             if (!this->doWorkCheck())
             {
-                CLogMessage(this).info("Terminated booking parsing process");
+                CLogMessage(this).info(u"Terminated booking parsing process");
                 return; // stop, terminate straight away, ending thread
             }
 
@@ -119,7 +119,7 @@ namespace BlackCore
                         bool changed = this->didContentChange(xmlData, xmlData.indexOf("</timestamp>"));
                         if (!changed)
                         {
-                            CLogMessage(this).info("Read bookings unchanged, skipped");
+                            CLogMessage(this).info(u"Read bookings unchanged, skipped");
                             emit this->atcBookingsReadUnchanged();
                             return; // stop, terminate straight away, ending thread
                         }
@@ -133,7 +133,7 @@ namespace BlackCore
                     {
                         if (!this->doWorkCheck())
                         {
-                            CLogMessage(this).info("Terminated booking parsing process"); // for users
+                            CLogMessage(this).info(u"Terminated booking parsing process"); // for users
                             return; // stop, terminate straight away, ending thread
                         }
 
@@ -189,7 +189,7 @@ namespace BlackCore
             else
             {
                 // network error
-                CLogMessage(this).warning("Reading bookings failed %1 %2") << nwReply->errorString() << nwReply->url().toString();
+                CLogMessage(this).warning(u"Reading bookings failed %1 %2") << nwReply->errorString() << nwReply->url().toString();
                 nwReply->abort();
                 emit this->dataRead(CEntityFlags::BookingEntity, CEntityFlags::ReadFailed, 0);
             }
diff --git a/src/blackcore/vatsim/vatsimdatafilereader.cpp b/src/blackcore/vatsim/vatsimdatafilereader.cpp
index 690c44388..981eea07e 100644
--- a/src/blackcore/vatsim/vatsimdatafilereader.cpp
+++ b/src/blackcore/vatsim/vatsimdatafilereader.cpp
@@ -212,7 +212,7 @@ namespace BlackCore
             // Worker thread, make sure to write only synced here!
             if (!this->doWorkCheck())
             {
-                CLogMessage(this).info("Terminated VATSIM file parsing process");
+                CLogMessage(this).info(u"Terminated VATSIM file parsing process");
                 return; // stop, terminate straight away, ending thread
             }
 
@@ -226,7 +226,7 @@ namespace BlackCore
                 if (dataFileData.isEmpty()) { return; }
                 if (!this->didContentChange(dataFileData)) // Quick check by hash
                 {
-                    CLogMessage(this).info("VATSIM file has same content, skipped");
+                    CLogMessage(this).info(u"VATSIM file has same content, skipped");
                     return;
                 }
                 const QList<QStringRef> lines = splitLinesRefs(dataFileData);
@@ -248,7 +248,7 @@ namespace BlackCore
                 {
                     if (!this->doWorkCheck())
                     {
-                        CLogMessage(this).info("Terminated VATSIM file parsing process"); // for users
+                        CLogMessage(this).info(u"Terminated VATSIM file parsing process"); // for users
                         return; // stop, terminate straight away, ending thread
                     }
 
@@ -349,7 +349,7 @@ namespace BlackCore
                                 const bool alreadyRead = (updateTimestampFromFile == this->getUpdateTimestamp());
                                 if (alreadyRead)
                                 {
-                                    CLogMessage(this).info("VATSIM file has same timestamp, skipped");
+                                    CLogMessage(this).info(u"VATSIM file has same timestamp, skipped");
                                     return;
                                 }
                             }
@@ -426,7 +426,7 @@ namespace BlackCore
             else
             {
                 // network error
-                CLogMessage(this).warning("Reading VATSIM data file failed '%1' '%2'") << nwReply->errorString() << nwReply->url().toString();
+                CLogMessage(this).warning(u"Reading VATSIM data file failed '%1' '%2'") << nwReply->errorString() << nwReply->url().toString();
                 nwReply->abort();
                 emit this->dataRead(CEntityFlags::VatsimDataFile, CEntityFlags::ReadFailed, 0);
             }
diff --git a/src/blackcore/vatsim/vatsimmetarreader.cpp b/src/blackcore/vatsim/vatsimmetarreader.cpp
index a3f72b337..c11e07799 100644
--- a/src/blackcore/vatsim/vatsimmetarreader.cpp
+++ b/src/blackcore/vatsim/vatsimmetarreader.cpp
@@ -99,7 +99,7 @@ namespace BlackCore
 
             if (!this->doWorkCheck())
             {
-                CLogMessage(this).info("Terminated METAR decoding process"); // for users
+                CLogMessage(this).info(u"Terminated METAR decoding process"); // for users
                 return; // stop, terminate straight away, ending thread
             }
 
@@ -111,7 +111,7 @@ namespace BlackCore
 
                 if (!this->didContentChange(metarData)) // Quick check by hash
                 {
-                    CLogMessage(this).info("METAR file has same content, skipped");
+                    CLogMessage(this).info(u"METAR file has same content, skipped");
                     return;
                 }
 
@@ -140,7 +140,7 @@ namespace BlackCore
             else
             {
                 // network error
-                CLogMessage(this).warning("Reading METARs failed '%1' for '%2'") << nwReply->errorString() << nwReply->url().toString();
+                CLogMessage(this).warning(u"Reading METARs failed '%1' for '%2'") << nwReply->errorString() << nwReply->url().toString();
                 nwReply->abort();
                 emit dataRead(CEntityFlags::MetarEntity, CEntityFlags::ReadFailed, 0);
             }
diff --git a/src/blackcore/vatsim/vatsimstatusfilereader.cpp b/src/blackcore/vatsim/vatsimstatusfilereader.cpp
index ea7eb3e72..69c5d773e 100644
--- a/src/blackcore/vatsim/vatsimstatusfilereader.cpp
+++ b/src/blackcore/vatsim/vatsimstatusfilereader.cpp
@@ -86,7 +86,7 @@ namespace BlackCore
             if (!this->doWorkCheck())
             {
                 CLogMessage(this).debug() << Q_FUNC_INFO;
-                CLogMessage(this).info("Terminated VATSIM status file parsing process"); // for users
+                CLogMessage(this).info(u"Terminated VATSIM status file parsing process"); // for users
                 return; // stop, terminate straight away, ending thread
             }
 
@@ -110,7 +110,7 @@ namespace BlackCore
                     if (!this->doWorkCheck())
                     {
                         CLogMessage(this).debug() << Q_FUNC_INFO;
-                        CLogMessage(this).info("Terminated status parsing process"); // for users
+                        CLogMessage(this).info(u"Terminated status parsing process"); // for users
                         return; // stop, terminate straight away, ending thread
                     }
 
@@ -160,7 +160,7 @@ namespace BlackCore
             else
             {
                 // network error
-                CLogMessage(this).warning("Reading VATSIM status file failed '%1' '%2'") << nwReply->errorString() << nwReply->url().toString();
+                CLogMessage(this).warning(u"Reading VATSIM status file failed '%1' '%2'") << nwReply->errorString() << nwReply->url().toString();
                 nwReply->abort();
                 emit this->dataRead(CEntityFlags::VatsimStatusFile, CEntityFlags::ReadFailed, 0);
             }
diff --git a/src/blackcore/vatsim/voicechannelvatlib.cpp b/src/blackcore/vatsim/voicechannelvatlib.cpp
index c117604c8..b67a69153 100644
--- a/src/blackcore/vatsim/voicechannelvatlib.cpp
+++ b/src/blackcore/vatsim/voicechannelvatlib.cpp
@@ -52,7 +52,7 @@ namespace BlackCore
             CServer::ServerType connectedServerType = sApp->getIContextNetwork()->getConnectedServer().getServerType();
             if (!sApp->getIContextNetwork()->isConnected() || connectedServerType != CServer::FSDServerVatsim)
             {
-                CLogMessage(this).warning("Cannot join VATSIM voice channel without active VATSIM FSD connection!");
+                CLogMessage(this).warning(u"Cannot join VATSIM voice channel without active VATSIM FSD connection!");
                 return;
             }
 
diff --git a/src/blackcore/weathermanager.cpp b/src/blackcore/weathermanager.cpp
index d20d21fe1..e2193b687 100644
--- a/src/blackcore/weathermanager.cpp
+++ b/src/blackcore/weathermanager.cpp
@@ -84,7 +84,7 @@ namespace BlackCore
         const CWeatherDataPluginInfoList weatherDataPluginInfos = m_pluginManagerWeatherData.getAvailableWeatherDataPlugins();
         if (weatherDataPluginInfos.isEmpty())
         {
-            CLogMessage(this).warning("No weather data plugin found!");
+            CLogMessage(this).warning(u"No weather data plugin found!");
             return false;
         }
 
@@ -93,14 +93,14 @@ namespace BlackCore
             IWeatherDataFactory *factory = m_pluginManagerWeatherData.getPluginById<IWeatherDataFactory>(pluginInfo.getIdentifier());
             if (!factory)
             {
-                CLogMessage(this).error("Failed to create IWeatherDataFactory for %1") << pluginInfo.getIdentifier();
+                CLogMessage(this).error(u"Failed to create IWeatherDataFactory for %1") << pluginInfo.getIdentifier();
                 return false;
             }
 
             IWeatherData *weatherData = factory->create(this);
             if (!weatherData)
             {
-                CLogMessage(this).error("Failed to create IWeatherData instance for %1") << pluginInfo.getIdentifier();
+                CLogMessage(this).error(u"Failed to create IWeatherData instance for %1") << pluginInfo.getIdentifier();
                 return false;
             }
 
diff --git a/src/blackcore/webdataservices.cpp b/src/blackcore/webdataservices.cpp
index 0cdaa3d7d..260aa0e8c 100644
--- a/src/blackcore/webdataservices.cpp
+++ b/src/blackcore/webdataservices.cpp
@@ -72,7 +72,7 @@ namespace BlackCore
             // will remove info reader because not needed
             readers &= ~CWebReaderFlags::DbInfoDataReader;
             m_readers = readers;
-            CLogMessage(this).info("Remove info object reader because not needed");
+            CLogMessage(this).info(u"Remove info object reader because not needed");
         }
 
         // get entities to be read
@@ -80,7 +80,7 @@ namespace BlackCore
         if (entities.testFlag(CEntityFlags::DbInfoObjectEntity))
         {
             Q_ASSERT_X(readers.testFlag(CWebReaderFlags::DbInfoDataReader), Q_FUNC_INFO, "info object but no reader");
-            CLogMessage(this).info("Using info objects for swift DB entities");
+            CLogMessage(this).info(u"Using info objects for swift DB entities");
         }
 
         this->initReaders(readers, entities); // reads info objects if required
@@ -312,7 +312,7 @@ namespace BlackCore
         if (!sApp || sApp->isShuttingDown()) { return CEntityFlags::NoEntity; }
         if (!sApp->isSwiftDbAccessible())
         {
-            CLogMessage(this).warning("Not triggering load of '%1' because swift DB is not accessible") << CEntityFlags::flagToString(whatToRead);
+            CLogMessage(this).warning(u"Not triggering load of '%1' because swift DB is not accessible") << CEntityFlags::flagToString(whatToRead);
             return CEntityFlags::NoEntity;
         }
 
@@ -362,7 +362,7 @@ namespace BlackCore
         if (!sApp || sApp->isShuttingDown()) { return CEntityFlags::NoEntity; }
         if (!sApp->hasWorkingSharedUrl())
         {
-            CLogMessage(this).warning("Not triggering load of '%1' because no working shared URL") << CEntityFlags::flagToString(whatToRead);
+            CLogMessage(this).warning(u"Not triggering load of '%1' because no working shared URL") << CEntityFlags::flagToString(whatToRead);
             return CEntityFlags::NoEntity;
         }
 
@@ -1002,7 +1002,7 @@ namespace BlackCore
                 }
                 else
                 {
-                    CLogMessage(this).warning("DB unreachable, skipping read from DB info data reader");
+                    CLogMessage(this).warning(u"DB unreachable, skipping read from DB info data reader");
                 }
             }
         }
@@ -1019,7 +1019,7 @@ namespace BlackCore
         {
             m_vatsimStatusReader = new CVatsimStatusFileReader(this);
             c = connect(m_vatsimStatusReader, &CVatsimStatusFileReader::dataFileRead, this, &CWebDataServices::vatsimStatusFileRead, typeReaderReadSignals);
-            CLogMessage(this).info("Trigger read of VATSIM status file");
+            CLogMessage(this).info(u"Trigger read of VATSIM status file");
             m_vatsimStatusReader->start(QThread::LowPriority);
 
             // run single shot in main loop, so readInBackgroundThread is not called before initReaders completes
@@ -1268,22 +1268,22 @@ namespace BlackCore
 
     void CWebDataServices::receivedBookings(const CAtcStationList &stations)
     {
-        CLogMessage(this).info("Read %1 ATC bookings from network") << stations.size();
+        CLogMessage(this).info(u"Read %1 ATC bookings from network") << stations.size();
     }
 
     void CWebDataServices::receivedMetars(const CMetarList &metars)
     {
-        CLogMessage(this).info("Read %1 METARs") << metars.size();
+        CLogMessage(this).info(u"Read %1 METARs") << metars.size();
     }
 
     void CWebDataServices::vatsimDataFileRead(int lines)
     {
-        CLogMessage(this).info("Read VATSIM data file, %1 lines") << lines;
+        CLogMessage(this).info(u"Read VATSIM data file, %1 lines") << lines;
     }
 
     void CWebDataServices::vatsimStatusFileRead(int lines)
     {
-        CLogMessage(this).info("Read VATSIM status file, %1 lines") << lines;
+        CLogMessage(this).info(u"Read VATSIM status file, %1 lines") << lines;
     }
 
     void CWebDataServices::readFromSwiftReader(CEntityFlags::Entity entities, CEntityFlags::ReadState state, int number)
@@ -1296,16 +1296,16 @@ namespace BlackCore
             const CStatusMessage::StatusSeverity severity = CEntityFlags::flagToSeverity(state);
             if (severity == CStatusMessage::SeverityWarning)
             {
-                CLogMessage(cats).warning("Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
+                CLogMessage(cats).warning(u"Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
             }
             else
             {
-                CLogMessage(cats).error("Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
+                CLogMessage(cats).error(u"Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
             }
         }
         else
         {
-            CLogMessage(cats).info("Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
+            CLogMessage(cats).info(u"Read data '%1' entries: %2 state: %3") << CEntityFlags::flagToString(entities) << number << CEntityFlags::flagToString(state);
         }
 
         m_swiftDbEntitiesRead |= entities;
@@ -1410,7 +1410,7 @@ namespace BlackCore
         if (infoReader->areAllInfoObjectsRead())
         {
             // we have all data and carry on
-            CLogMessage(this).info("Info objects (%1) triggered for '%2' loaded from '%3'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString();
+            CLogMessage(this).info(u"Info objects (%1) triggered for '%2' loaded from '%3'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString();
             timeOut = QDateTime(); // reset to null
             return true; // no need to wait any longer
         }
@@ -1419,7 +1419,7 @@ namespace BlackCore
         if (timeOut.isValid() && QDateTime::currentDateTimeUtc() > timeOut)
         {
             const QString timeOutString = timeOut.toString();
-            CLogMessage(this).warning("Could not read '%1' info objects for '%2' from '%3', time out '%4'. Marking reader '%5' as failed and continue.")
+            CLogMessage(this).warning(u"Could not read '%1' info objects for '%2' from '%3', time out '%4'. Marking reader '%5' as failed and continue.")
                     << info << CEntityFlags::flagToString(entities)
                     << infoReader->getInfoObjectsUrl().toQString() << timeOutString
                     << infoReader->getName();
@@ -1437,14 +1437,14 @@ namespace BlackCore
             {
                 // ok, this means we are parsing
                 this->readDeferredInBackground(entities, waitForInfoObjectsMs);
-                CLogMessage(this).info("Parsing objects (%1) for '%2' from '%3'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString();
+                CLogMessage(this).info(u"Parsing objects (%1) for '%2' from '%3'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString();
                 return false; // wait
             }
             else
             {
                 // we have a response, but a failure, means server is alive, but responded with error
                 // such an error (access, ...) normally will not go away
-                CLogMessage(this).error("Info objects (%1) loading for '%2' failed from '%3', '%4'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString() << infoReader->getStatusMessage();
+                CLogMessage(this).error(u"Info objects (%1) loading for '%2' failed from '%3', '%4'") << info << CEntityFlags::flagToString(entities) << infoReader->getInfoObjectsUrl().toQString() << infoReader->getStatusMessage();
                 infoReader->setMarkedAsFailed(true);
                 return true; // carry on, regardless of situation
             }
@@ -1470,7 +1470,7 @@ namespace BlackCore
     {
         const CEcosystem es(server.getEcosystem());
         this->setCurrentEcosystem(es);
-        CLogMessage(this).info("Changed data service ecosystem to '%1'") << es.toQString(true);
+        CLogMessage(this).info(u"Changed data service ecosystem to '%1'") << es.toQString(true);
     }
 
     bool CWebDataServices::writeDbDataToDisk(const QString &dir) const
@@ -1520,7 +1520,7 @@ namespace BlackCore
             bool ib = inBackground || !CThreadUtils::isCurrentThreadObjectThread(m_icaoDataReader);
             if (ib)
             {
-                CLogMessage(this).info("Reading from disk in background: %1") << m_icaoDataReader->getSupportedEntitiesAsString();
+                CLogMessage(this).info(u"Reading from disk in background: %1") << m_icaoDataReader->getSupportedEntitiesAsString();
                 s1 = m_icaoDataReader->readFromJsonFilesInBackground(dir, m_icaoDataReader->getSupportedEntities(), overrideNewerOnly);
             }
             else
@@ -1538,7 +1538,7 @@ namespace BlackCore
             bool ib = inBackground || !CThreadUtils::isCurrentThreadObjectThread(m_modelDataReader);
             if (ib)
             {
-                CLogMessage(this).info("Reading from disk in background: %1") << m_modelDataReader->getSupportedEntitiesAsString();
+                CLogMessage(this).info(u"Reading from disk in background: %1") << m_modelDataReader->getSupportedEntitiesAsString();
                 s2 = m_modelDataReader->readFromJsonFilesInBackground(dir, m_modelDataReader->getSupportedEntities(), overrideNewerOnly);
             }
             else
@@ -1556,7 +1556,7 @@ namespace BlackCore
             bool ib = inBackground || !CThreadUtils::isCurrentThreadObjectThread(m_airportDataReader);
             if (ib)
             {
-                CLogMessage(this).info("Reading from disk in background: %1") << m_airportDataReader->getSupportedEntitiesAsString();
+                CLogMessage(this).info(u"Reading from disk in background: %1") << m_airportDataReader->getSupportedEntitiesAsString();
                 s3 = m_airportDataReader->readFromJsonFilesInBackground(dir, m_airportDataReader->getSupportedEntities(), overrideNewerOnly);
             }
             else
@@ -1576,17 +1576,17 @@ namespace BlackCore
         msgs.push_back(
             m_icaoDataReader ?
             m_icaoDataReader->initFromLocalResourceFiles(inBackground) :
-            CStatusMessage(this).info("No ICAO reader")
+            CStatusMessage(this).info(u"No ICAO reader")
         );
         msgs.push_back(
             m_modelDataReader ?
             m_modelDataReader->initFromLocalResourceFiles(inBackground) :
-            CStatusMessage(this).info("No model reader")
+            CStatusMessage(this).info(u"No model reader")
         );
         msgs.push_back(
             m_airportDataReader ?
             m_airportDataReader->initFromLocalResourceFiles(inBackground) :
-            CStatusMessage(this).info("No airport reader")
+            CStatusMessage(this).info(u"No airport reader")
         );
         return msgs;
     }
@@ -1598,17 +1598,17 @@ namespace BlackCore
         msgs.push_back(
             m_icaoDataReader && m_icaoDataReader->supportsAnyOfEntities(entities) ?
             m_icaoDataReader->initFromLocalResourceFiles(entities, inBackground) :
-            CStatusMessage(this).info("No ICAO reader or not supporting entities")
+            CStatusMessage(this).info(u"No ICAO reader or not supporting entities")
         );
         msgs.push_back(
             m_modelDataReader && m_modelDataReader->supportsAnyOfEntities(entities) ?
             m_modelDataReader->initFromLocalResourceFiles(entities, inBackground) :
-            CStatusMessage(this).info("No model reader or not supporting entities")
+            CStatusMessage(this).info(u"No model reader or not supporting entities")
         );
         msgs.push_back(
             m_airportDataReader && m_airportDataReader->supportsAnyOfEntities(entities) ?
             m_airportDataReader->initFromLocalResourceFiles(entities, inBackground) :
-            CStatusMessage(this).info("No airport reader or not supporting entities")
+            CStatusMessage(this).info(u"No airport reader or not supporting entities")
         );
         return msgs;
     }
diff --git a/src/blackgui/components/atcstationcomponent.cpp b/src/blackgui/components/atcstationcomponent.cpp
index 54b3bfe5b..9bdd5892f 100644
--- a/src/blackgui/components/atcstationcomponent.cpp
+++ b/src/blackgui/components/atcstationcomponent.cpp
@@ -268,7 +268,7 @@ namespace BlackGui
             if (sender == ui->tvp_AtcStationsBooked)
             {
                 // trigger new read, which takes some time. A signal will be received when this is done
-                CLogMessage(this).info("Requested new bookings");
+                CLogMessage(this).info(u"Requested new bookings");
                 sGui->getIContextNetwork()->requestAtcBookingsUpdate();
             }
             else
diff --git a/src/blackgui/components/cockpitcomcomponent.cpp b/src/blackgui/components/cockpitcomcomponent.cpp
index 58f6851de..6f3393c34 100644
--- a/src/blackgui/components/cockpitcomcomponent.cpp
+++ b/src/blackgui/components/cockpitcomcomponent.cpp
@@ -124,7 +124,7 @@ namespace BlackGui
             const CSelcal selcal = ui->editor_Com->getSelcal();
             if (!selcal.isValid())
             {
-                CLogMessage().validationWarning("Invalid SELCAL code");
+                CLogMessage().validationWarning(u"Invalid SELCAL code");
             }
             else if (sGui->getIContextAudio())
             {
@@ -132,7 +132,7 @@ namespace BlackGui
             }
             else
             {
-                CLogMessage().validationWarning("No audio available");
+                CLogMessage().validationWarning(u"No audio available");
             }
         }
 
diff --git a/src/blackgui/components/copyconfigurationcomponent.cpp b/src/blackgui/components/copyconfigurationcomponent.cpp
index a1a486d3e..c3b9d50f7 100644
--- a/src/blackgui/components/copyconfigurationcomponent.cpp
+++ b/src/blackgui/components/copyconfigurationcomponent.cpp
@@ -133,11 +133,11 @@ namespace BlackGui
             {
                 if (!copied.isEmpty())
                 {
-                    CLogMessage(this).info("Copied %1 files, list: '%2'") << copied.size() << copied.join(", ");
+                    CLogMessage(this).info(u"Copied %1 files, list: '%2'") << copied.size() << copied.join(", ");
                 }
                 if (!skipped.isEmpty())
                 {
-                    CLogMessage(this).info("Skipped %1 files, list: '%2'") << skipped.size() << skipped.join(", ");
+                    CLogMessage(this).info(u"Skipped %1 files, list: '%2'") << skipped.size() << skipped.join(", ");
                 }
             }
 
diff --git a/src/blackgui/components/copymodelsfromotherswiftversionscomponent.cpp b/src/blackgui/components/copymodelsfromotherswiftversionscomponent.cpp
index 757eb5bb0..275e7882e 100644
--- a/src/blackgui/components/copymodelsfromotherswiftversionscomponent.cpp
+++ b/src/blackgui/components/copymodelsfromotherswiftversionscomponent.cpp
@@ -49,7 +49,7 @@ namespace BlackGui
             const QSet<CSimulatorInfo> simulators = selectedSimulators.asSingleSimulatorSet();
             if (simulators.isEmpty())
             {
-                static const CStatusMessage m = CStatusMessage(this).validationError("No simulators selected");
+                static const CStatusMessage m = CStatusMessage(this).validationError(u"No simulators selected");
                 this->showOverlayMessage(m);
                 return;
             }
@@ -58,14 +58,14 @@ namespace BlackGui
             const bool cache = ui->cb_ModelCache->isChecked();
             if (!cache && !set)
             {
-                static const CStatusMessage m = CStatusMessage(this).validationError("No simulators selected");
+                static const CStatusMessage m = CStatusMessage(this).validationError(u"No simulators selected");
                 this->showOverlayMessage(m);
                 return;
             }
 
             if (!ui->comp_OtherSwiftVersions->hasSelection())
             {
-                static const CStatusMessage m = CStatusMessage(this).validationError("No other version selected");
+                static const CStatusMessage m = CStatusMessage(this).validationError(u"No other version selected");
                 this->showOverlayMessage(m);
                 return;
             }
@@ -116,7 +116,7 @@ namespace BlackGui
 
             if (sets > 0 || caches > 0)
             {
-                const CStatusMessage m = CStatusMessage(this).validationInfo("Copied %1 sets and %2 caches for '%3'") << sets << caches << selectedSimulators.toQString(true);
+                const CStatusMessage m = CStatusMessage(this).validationInfo(u"Copied %1 sets and %2 caches for '%3'") << sets << caches << selectedSimulators.toQString(true);
                 this->showOverlayHTMLMessage(m, 7500);
             }
         }
diff --git a/src/blackgui/components/copysettingsandcachescomponent.cpp b/src/blackgui/components/copysettingsandcachescomponent.cpp
index 6d62220f3..a41d5ec39 100644
--- a/src/blackgui/components/copysettingsandcachescomponent.cpp
+++ b/src/blackgui/components/copysettingsandcachescomponent.cpp
@@ -400,7 +400,7 @@ namespace BlackGui
 
             if (copied > 0)
             {
-                const CStatusMessage m = CStatusMessage(this).validationInfo("Copied %1 settings") << copied;
+                const CStatusMessage m = CStatusMessage(this).validationInfo(u"Copied %1 settings") << copied;
                 this->showOverlayHTMLMessage(m);
             }
 
diff --git a/src/blackgui/components/datainfoareacomponent.cpp b/src/blackgui/components/datainfoareacomponent.cpp
index 326bda8fd..24d08be81 100644
--- a/src/blackgui/components/datainfoareacomponent.cpp
+++ b/src/blackgui/components/datainfoareacomponent.cpp
@@ -85,7 +85,7 @@ namespace BlackGui
         {
             if (!sGui || !sGui->getWebDataServices()->hasSuccesfullyConnectedSwiftDb())
             {
-                CLogMessage(this).warning("No connection to DB yet, no new data loaded which can be written");
+                CLogMessage(this).warning(u"No connection to DB yet, no new data loaded which can be written");
                 return false;
             }
 
@@ -93,11 +93,11 @@ namespace BlackGui
             const bool s = sGui->getWebDataServices()->writeDbDataToDisk(CDirectoryUtils::staticDbFilesDirectory());
             if (s)
             {
-                CLogMessage(this).info("Written DB data");
+                CLogMessage(this).info(u"Written DB data");
             }
             else
             {
-                CLogMessage(this).error("Cannot write DB data");
+                CLogMessage(this).error(u"Cannot write DB data");
             }
             return s;
         }
@@ -111,7 +111,7 @@ namespace BlackGui
             bool ok = false;
             if (msgs.isSuccess())
             {
-                CLogMessage(this).info("Read DB data from directory: %1") << CDirectoryUtils::staticDbFilesDirectory();
+                CLogMessage(this).info(u"Read DB data from directory: %1") << CDirectoryUtils::staticDbFilesDirectory();
                 ui->comp_DbAircraftIcao->showLoadIndicator();
                 ui->comp_DbAirlineIcao->showLoadIndicator();
                 ui->comp_DbCountries->showLoadIndicator();
diff --git a/src/blackgui/components/dblogincomponent.cpp b/src/blackgui/components/dblogincomponent.cpp
index bc19da651..be24391d4 100644
--- a/src/blackgui/components/dblogincomponent.cpp
+++ b/src/blackgui/components/dblogincomponent.cpp
@@ -141,7 +141,7 @@ namespace BlackGui
             if (!sGui || sGui->isShuttingDown()) { return; }
             if (user.isAuthenticated())
             {
-                CLogMessage(this).info("User authenticated: %1") << user.toQString();
+                CLogMessage(this).info(u"User authenticated: %1") << user.toQString();
                 this->setModeLogin(false);
                 ui->le_Name->setText(user.getRealNameAndId());
                 ui->te_Roles->setPlainText(user.getRolesAsString());
diff --git a/src/blackgui/components/dbmappingcomponent.cpp b/src/blackgui/components/dbmappingcomponent.cpp
index 97307b2d8..1ca0dc578 100644
--- a/src/blackgui/components/dbmappingcomponent.cpp
+++ b/src/blackgui/components/dbmappingcomponent.cpp
@@ -181,7 +181,7 @@ namespace BlackGui
                 const CAircraftModelList vPilotModels(m_vPilotReader.getAsModelsFromCache());
                 ui->tvp_AircraftModelsForVPilot->updateContainerMaybeAsync(vPilotModels);
                 const int noModels = vPilotModels.size();
-                CLogMessage(this).info("%1 cached vPilot models loaded") << noModels;
+                CLogMessage(this).info(u"%1 cached vPilot models loaded") << noModels;
             }
             ui->tab_VPilot->setEnabled(m_vPilotEnabled);
             ui->tab_VPilot->setVisible(m_vPilotEnabled);
@@ -292,7 +292,7 @@ namespace BlackGui
 
             if (updated)
             {
-                CLogMessage(this).info("Updated editor data for '%1'") << modelString;
+                CLogMessage(this).info(u"Updated editor data for '%1'") << modelString;
             }
         }
 
@@ -512,12 +512,12 @@ namespace BlackGui
         {
             if (m_vPilotReader.readInBackground(true))
             {
-                CLogMessage(this).info("Start loading vPilot rulesets");
+                CLogMessage(this).info(u"Start loading vPilot rulesets");
                 ui->tvp_AircraftModelsForVPilot->showLoadIndicator();
             }
             else
             {
-                CLogMessage(this).warning("Loading vPilot rulesets already in progress");
+                CLogMessage(this).warning(u"Loading vPilot rulesets already in progress");
             }
         }
 
@@ -526,7 +526,7 @@ namespace BlackGui
             if (!m_vPilotEnabled) { return; }
             if (success)
             {
-                CLogMessage(this).info("Loading vPilot ruleset completed");
+                CLogMessage(this).info(u"Loading vPilot ruleset completed");
                 const CAircraftModelList models(m_vPilotReader.getAsModels());
                 if (ui->tvp_AircraftModelsForVPilot->displayAutomatically())
                 {
@@ -535,7 +535,7 @@ namespace BlackGui
             }
             else
             {
-                CLogMessage(this).error("Loading vPilot ruleset failed");
+                CLogMessage(this).error(u"Loading vPilot ruleset failed");
             }
             ui->tvp_AircraftModelsForVPilot->hideLoadIndicator();
         }
diff --git a/src/blackgui/components/dbownmodelscomponent.cpp b/src/blackgui/components/dbownmodelscomponent.cpp
index 3c1136bbe..68334cda3 100644
--- a/src/blackgui/components/dbownmodelscomponent.cpp
+++ b/src/blackgui/components/dbownmodelscomponent.cpp
@@ -69,7 +69,7 @@ namespace BlackGui
                 const bool success = this->initModelLoader(simulator, IAircraftModelLoader::CacheOnly);
                 if (!success)
                 {
-                    CLogMessage(this).error("Init of model loader failed in component");
+                    CLogMessage(this).error(u"Init of model loader failed in component");
                 }
             }
 
@@ -519,27 +519,27 @@ namespace BlackGui
             {
                 if (m_modelLoader->supportsSimulator(simulator))
                 {
-                    const CStatusMessage msg = CLogMessage(this).warning("Loading for '%1' already in progress, will NOT load.") << simulator.toQString();
+                    const CStatusMessage msg = CLogMessage(this).warning(u"Loading for '%1' already in progress, will NOT load.") << simulator.toQString();
                     this->showOverlayMessage(msg);
                     return;
                 }
                 else
                 {
-                    const CStatusMessage msg = CLogMessage(this).warning("Loading for another simulator '%1' already in progress. Loading might be slow.") << simulator.toQString();
+                    const CStatusMessage msg = CLogMessage(this).warning(u"Loading for another simulator '%1' already in progress. Loading might be slow.") << simulator.toQString();
                     this->showOverlayMessage(msg);
                 }
             }
 
             if (!this->initModelLoader(simulator))
             {
-                const CStatusMessage msg = CLogMessage(this).error("Cannot init model loader for %1") << simulator.toQString();
+                const CStatusMessage msg = CLogMessage(this).error(u"Cannot init model loader for %1") << simulator.toQString();
                 this->showOverlayMessage(msg);
                 return;
             }
 
             // Do not check for empty models die here, as depending on mode we could still load
             // will be checked in model loader
-            CLogMessage(this).info("Starting loading for '%1' in mode '%2'") << simulator.toQString() << IAircraftModelLoader::enumToString(mode);
+            CLogMessage(this).info(u"Starting loading for '%1' in mode '%2'") << simulator.toQString() << IAircraftModelLoader::enumToString(mode);
             ui->tvp_OwnAircraftModels->showLoadIndicator();
             Q_ASSERT_X(sGui && sGui->getWebDataServices(), Q_FUNC_INFO, "missing web data services");
             m_modelLoader->startLoading(mode, static_cast<int (*)(CAircraftModelList &, bool)>(&CDatabaseUtils::consolidateModelsWithDbData), modelDirectories);
@@ -547,7 +547,7 @@ namespace BlackGui
 
         void CDbOwnModelsComponent::onModelLoaderDiskLoadingStarted(const CSimulatorInfo &simulator, IAircraftModelLoader::LoadMode mode)
         {
-            const CStatusMessage msg = CLogMessage(this).info("Started disk loading for '%1' in mode '%2'") << simulator.toQString(true) << IAircraftModelLoader::enumToString(mode);
+            const CStatusMessage msg = CLogMessage(this).info(u"Started disk loading for '%1' in mode '%2'") << simulator.toQString(true) << IAircraftModelLoader::enumToString(mode);
             this->showOverlayMessage(msg, 5000);
         }
 
@@ -563,11 +563,11 @@ namespace BlackGui
                 if (modelsLoaded < 1)
                 {
                     // loading ok, but no data
-                    m = CLogMessage(this).warning("Loading completed for simulator '%1', but no models") << simulator;
+                    m = CLogMessage(this).warning(u"Loading completed for simulator '%1', but no models") << simulator;
                 }
                 else
                 {
-                    m = CLogMessage(this).info("Loading completed for simulator '%1' with %2 models") << simulator << modelsLoaded;
+                    m = CLogMessage(this).info(u"Loading completed for simulator '%1' with %2 models") << simulator << modelsLoaded;
                 }
 
                 // overlay
@@ -579,7 +579,7 @@ namespace BlackGui
             else
             {
                 ui->tvp_OwnAircraftModels->clear();
-                CLogMessage(this).error("Loading of models failed, simulator '%1'") << simulator.toQString();
+                CLogMessage(this).error(u"Loading of models failed, simulator '%1'") << simulator.toQString();
             }
 
             if (statusMessages.hasWarningOrErrorMessages())
diff --git a/src/blackgui/components/dbownmodelsetcomponent.cpp b/src/blackgui/components/dbownmodelsetcomponent.cpp
index 25f065344..919fcc2be 100644
--- a/src/blackgui/components/dbownmodelsetcomponent.cpp
+++ b/src/blackgui/components/dbownmodelsetcomponent.cpp
@@ -118,7 +118,7 @@ namespace BlackGui
             const int diff = models.size() - cleanModelList.size();
             if (diff > 0)
             {
-                const CStatusMessage m = CStatusMessage(this).warning("Removed %1 models from set, because not matching %2") << diff << simulator.toQString(true);
+                const CStatusMessage m = CStatusMessage(this).warning(u"Removed %1 models from set, because not matching %2") << diff << simulator.toQString(true);
                 this->showMappingComponentOverlayHtmlMessage(m, 5000);
             }
             cleanModelList.resetOrder();
@@ -133,7 +133,7 @@ namespace BlackGui
             const int diff = models.size() - cleanModelList.size();
             if (diff > 0)
             {
-                const CStatusMessage m = CStatusMessage(this).warning("Removed %1 models from set, because not matching %2") << diff << simulator.toQString(true);
+                const CStatusMessage m = CStatusMessage(this).warning(u"Removed %1 models from set, because not matching %2") << diff << simulator.toQString(true);
                 this->showMappingComponentOverlayHtmlMessage(m, 5000);
             }
             if (cleanModelList.isEmpty()) { return 0; }
@@ -350,7 +350,7 @@ namespace BlackGui
             CDbMappingComponent *mc = this->getMappingComponent();
             if (!mc)
             {
-                CLogMessage(this).error("No mapping component available!");
+                CLogMessage(this).error(u"No mapping component available!");
                 return;
             }
 
@@ -373,7 +373,7 @@ namespace BlackGui
             }
             else
             {
-                const CStatusMessage m = CStatusMessage(this).error("No model data for %1") << simulator.toQString(true);
+                const CStatusMessage m = CStatusMessage(this).error(u"No model data for %1") << simulator.toQString(true);
                 mc->showOverlayMessage(m);
             }
         }
diff --git a/src/blackgui/components/dbownmodelsetformdialog.cpp b/src/blackgui/components/dbownmodelsetformdialog.cpp
index 9413b8a97..1e8b1eb50 100644
--- a/src/blackgui/components/dbownmodelsetformdialog.cpp
+++ b/src/blackgui/components/dbownmodelsetformdialog.cpp
@@ -113,7 +113,7 @@ namespace BlackGui
             const int c = this->getMappingComponent()->getOwnModelsCount();
             if (c < 1)
             {
-                const CStatusMessage m = CStatusMessage(this).error("No models for '%1'") << m_simulatorInfo.toQString(true);
+                const CStatusMessage m = CStatusMessage(this).error(u"No models for '%1'") << m_simulatorInfo.toQString(true);
                 ui->form_OwnModelSet->showOverlayMessage(m);
                 return false;
             }
diff --git a/src/blackgui/components/dbreducemodelduplicates.cpp b/src/blackgui/components/dbreducemodelduplicates.cpp
index d5de4093a..11ddeb804 100644
--- a/src/blackgui/components/dbreducemodelduplicates.cpp
+++ b/src/blackgui/components/dbreducemodelduplicates.cpp
@@ -85,14 +85,14 @@ namespace BlackGui
 
             if (m_models.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).validationError("No models");
+                const CStatusMessage m = CStatusMessage(this).validationError(u"No models");
                 ui->fr_Overlay->showOverlayHTMLMessage(m, 5000);
                 return;
             }
 
             if (ui->le_Distributor->text().isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).validationError("No distributor");
+                const CStatusMessage m = CStatusMessage(this).validationError(u"No distributor");
                 ui->fr_Overlay->showOverlayHTMLMessage(m, 5000);
                 return;
             }
@@ -100,7 +100,7 @@ namespace BlackGui
             const CAircraftModelList keyDuplicates = m_models.findDuplicateModelStrings();
             if (!keyDuplicates.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).validationError("Found %1 key duplicates") << keyDuplicates.size();
+                const CStatusMessage m = CStatusMessage(this).validationError(u"Found %1 key duplicates") << keyDuplicates.size();
                 ui->fr_Overlay->showOverlayHTMLMessage(m, 5000);
                 return;
             }
@@ -109,7 +109,7 @@ namespace BlackGui
             const CDistributor distributor = distributors.findByKeyOrAlias(ui->le_Distributor->text().trimmed().toUpper());
             if (!distributor.hasValidDbKey())
             {
-                const CStatusMessage m = CStatusMessage(this).validationError("Invalid distributor");
+                const CStatusMessage m = CStatusMessage(this).validationError(u"Invalid distributor");
                 ui->fr_Overlay->showOverlayHTMLMessage(m, 5000);
                 return;
             }
@@ -149,8 +149,8 @@ namespace BlackGui
 
             const QString distKeys = removeModels.getDistributors().dbKeysAsString(", ");
             const CStatusMessage msg = removeModels.isEmpty() ?
-                                       CStatusMessage(this).info("No duplicates to be removed!")  :
-                                       CStatusMessage(this).info("You can remove %1 models of the following distributors: '%2'.") << removeModels.size() << distKeys;
+                                       CStatusMessage(this).info(u"No duplicates to be removed!")  :
+                                       CStatusMessage(this).info(u"You can remove %1 models of the following distributors: '%2'.") << removeModels.size() << distKeys;
             ui->fr_Overlay->showOverlayHTMLMessage(msg, 5000);
             ui->bb_ReduceModelDuplicates->button(QDialogButtonBox::Ok)->setEnabled(true);
         }
diff --git a/src/blackgui/components/dbstashcomponent.cpp b/src/blackgui/components/dbstashcomponent.cpp
index 5bb2668cf..d338b3f89 100644
--- a/src/blackgui/components/dbstashcomponent.cpp
+++ b/src/blackgui/components/dbstashcomponent.cpp
@@ -452,7 +452,7 @@ namespace BlackGui
                 const bool equal = sGui->getWebDataServices()->isDbModelEqualForPublishing(model, &modelMsgs);
                 if (equal)
                 {
-                    msgs.push_back(CStatusMessage(this).info("Model '%1' has no change values") << model.getModelStringAndDbKey());
+                    msgs.push_back(CStatusMessage(this).info(u"Model '%1' has no change values") << model.getModelStringAndDbKey());
                 }
                 else
                 {
diff --git a/src/blackgui/components/distributorpreferencescomponent.cpp b/src/blackgui/components/distributorpreferencescomponent.cpp
index 13ee5606e..0c9643ded 100644
--- a/src/blackgui/components/distributorpreferencescomponent.cpp
+++ b/src/blackgui/components/distributorpreferencescomponent.cpp
@@ -82,7 +82,7 @@ namespace BlackGui
             const CDistributorList distributors(sGui->getWebDataServices()->getDistributors());
             if (distributors.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).error("No distributors");
+                const CStatusMessage m = CStatusMessage(this).error(u"No distributors");
                 this->showOverlayMessage(m);
                 return;
             }
@@ -95,7 +95,7 @@ namespace BlackGui
             const CDistributorList distributors(sGui->getWebDataServices()->getDistributors().matchesSimulator(sim));
             if (distributors.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).error("No distributors, or no distributors matching %1") << sim.toQString();
+                const CStatusMessage m = CStatusMessage(this).error(u"No distributors, or no distributors matching %1") << sim.toQString();
                 this->showOverlayMessage(m);
                 return;
             }
@@ -108,14 +108,14 @@ namespace BlackGui
             const CAircraftModelList models = CCentralMultiSimulatorModelSetCachesProvider::modelCachesInstance().getCachedModels(sim);
             if (models.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).error("No data in model set %1") << sim.toQString();
+                const CStatusMessage m = CStatusMessage(this).error(u"No data in model set %1") << sim.toQString();
                 this->showOverlayMessage(m);
                 return;
             }
             const CDistributorList distributors = models.getDistributors();
             if (distributors.isEmpty())
             {
-                const CStatusMessage m = CStatusMessage(this).error("No distributors for model set %1") << sim.toQString();
+                const CStatusMessage m = CStatusMessage(this).error(u"No distributors for model set %1") << sim.toQString();
                 this->showOverlayMessage(m);
                 return;
             }
diff --git a/src/blackgui/components/downloadcomponent.cpp b/src/blackgui/components/downloadcomponent.cpp
index 98f613fb2..e11f4fba2 100644
--- a/src/blackgui/components/downloadcomponent.cpp
+++ b/src/blackgui/components/downloadcomponent.cpp
@@ -90,7 +90,7 @@ namespace BlackGui
             if (downloadDir.isEmpty()) { return; } // canceled
             if (!QDir(downloadDir).exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning("'%1' is not a valid download directory") << downloadDir;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning(u"'%1' is not a valid download directory") << downloadDir;
                 this->showOverlayMessage(msg, CDownloadComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -172,7 +172,7 @@ namespace BlackGui
             if (!sGui || !sGui->hasWebDataServices() || sGui->isShuttingDown()) { return false; }
             if (!this->existsDownloadDir())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Invalid download directory");
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Invalid download directory");
                 this->showOverlayMessage(msg, CDownloadComponent::OverlayMsgTimeoutMs);
                 return false;
             }
@@ -180,7 +180,7 @@ namespace BlackGui
             const CUrl download = remoteFile.getSmartUrl();
             if (download.isEmpty())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("No download URL for file name '%1'") << remoteFile.getNameAndSize();
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"No download URL for file name '%1'") << remoteFile.getNameAndSize();
                 this->showOverlayMessage(msg, CDownloadComponent::OverlayMsgTimeoutMs);
                 return false;
             }
@@ -193,14 +193,14 @@ namespace BlackGui
             if (r)
             {
                 // this->showLoading(10 * 1000);
-                CLogMessage(this).info("Triggered downloading of file from '%1'") << download.getHost();
+                CLogMessage(this).info(u"Triggered downloading of file from '%1'") << download.getHost();
                 connect(r, &QNetworkReply::downloadProgress, this, &CDownloadComponent::downloadProgress);
                 m_reply = r;
                 success = true;
             }
             else
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Starting download for '%1' failed") << download.getFullUrl();
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Starting download for '%1' failed") << download.getFullUrl();
                 this->showOverlayMessage(msg, CDownloadComponent::OverlayMsgTimeoutMs);
             }
             return success;
diff --git a/src/blackgui/components/firstmodelsetcomponent.cpp b/src/blackgui/components/firstmodelsetcomponent.cpp
index 16bfd5d52..014e5a0d7 100644
--- a/src/blackgui/components/firstmodelsetcomponent.cpp
+++ b/src/blackgui/components/firstmodelsetcomponent.cpp
@@ -221,7 +221,7 @@ namespace BlackGui
             const int modelsCount = this->modelLoader()->getCachedModelsCount(simulator);
             if (modelsCount < 1)
             {
-                static const CStatusMessage msg = CStatusMessage(this).validationError("No models indexed so far. Try 'reload'!");
+                static const CStatusMessage msg = CStatusMessage(this).validationError(u"No models indexed so far. Try 'reload'!");
                 this->showOverlayMessage(msg, 4000);
                 return;
             }
@@ -236,7 +236,7 @@ namespace BlackGui
                 }
                 else
                 {
-                    static const CStatusMessage msg = CStatusMessage(this).validationError("No distributors selected");
+                    static const CStatusMessage msg = CStatusMessage(this).validationError(u"No distributors selected");
                     this->showOverlayMessage(msg, 4000);
                     return;
                 }
diff --git a/src/blackgui/components/flightplancomponent.cpp b/src/blackgui/components/flightplancomponent.cpp
index db63bddd0..a8acd1a47 100644
--- a/src/blackgui/components/flightplancomponent.cpp
+++ b/src/blackgui/components/flightplancomponent.cpp
@@ -252,7 +252,7 @@ namespace BlackGui
             const bool strict = ui->cb_StrictCheck->isChecked();
             const bool vfr = this->isVfr();
             const CStatusMessage::StatusSeverity severity = strict ? CStatusMessage::SeverityError : CStatusMessage::SeverityWarning;
-            messages.push_back(CStatusMessage(this).validationInfo(strict ? "Strict validation" : "Lenient validation"));
+            messages.push_back(CStatusMessage(this).validationInfo(strict ? QStringLiteral("Strict validation") : QStringLiteral("Lenient validation")));
 
             const CFlightPlan::FlightRules rule = ui->cb_FlightRule->currentText().startsWith("I") ? CFlightPlan::IFR : CFlightPlan::VFR;
             flightPlan.setFlightRule(rule);
@@ -262,11 +262,11 @@ namespace BlackGui
             v = ui->le_Callsign->text().trimmed().toUpper();
             if (v.isEmpty())
             {
-                // messages.push_back(CStatusMessage(this).validationError("Missing '%1'") << ui->lbl_Callsign->text());
+                // messages.push_back(CStatusMessage(this).validationError(u"Missing '%1'") << ui->lbl_Callsign->text());
             }
             else if (!CCallsign::isValidAircraftCallsign(v))
             {
-                messages.push_back(CStatusMessage(this).validationError("Invalid callsign '%1'") << v);
+                messages.push_back(CStatusMessage(this).validationError(u"Invalid callsign '%1'") << v);
             }
             flightPlan.setCallsign(CCallsign(v));
 
@@ -274,15 +274,15 @@ namespace BlackGui
             v = ui->le_AircraftType->text().trimmed().toUpper();
             if (v.isEmpty())
             {
-                messages.push_back(CStatusMessage(this).validationError("Missing '%1'") << ui->lbl_AircraftType->text());
+                messages.push_back(CStatusMessage(this).validationError(u"Missing '%1'") << ui->lbl_AircraftType->text());
             }
             else if (!CAircraftIcaoCode::isValidDesignator(v))
             {
-                messages.push_back(CStatusMessage(this).validationError("Invalid aircraft ICAO code '%1'") << v);
+                messages.push_back(CStatusMessage(this).validationError(u"Invalid aircraft ICAO code '%1'") << v);
             }
             else if (sApp && sApp->hasWebDataServices() && sApp->getWebDataServices()->hasDbAircraftData() && !sApp->getWebDataServices()->containsAircraftIcaoDesignator(v))
             {
-                messages.push_back(CStatusMessage(this).validationWarning("Are you sure '%1' is a valid type?") << v);
+                messages.push_back(CStatusMessage(this).validationWarning(u"Are you sure '%1' is a valid type?") << v);
             }
             flightPlan.setAircraftIcao(this->getAircraftIcaoCode());
 
@@ -290,14 +290,14 @@ namespace BlackGui
             v = this->getPrefix();
             if (!v.isEmpty() && !CFlightPlan::prefixCodes().contains(v))
             {
-                messages.push_back(CStatusMessage(this).validation(severity, "Invalid prefix"));
+                messages.push_back(CStatusMessage(this).validation(severity, u"Invalid prefix"));
             }
             flightPlan.setPrefix(v);
 
             v = this->getEquipmentSuffix();
             if (!v.isEmpty() && !CFlightPlan::equipmentCodes().contains(v))
             {
-                messages.push_back(CStatusMessage(this).validation(severity, "Invalid equipment code"));
+                messages.push_back(CStatusMessage(this).validation(severity, u"Invalid equipment code"));
             }
             flightPlan.setEquipmentSuffix(v);
 
@@ -308,11 +308,11 @@ namespace BlackGui
                 messages.push_back(CStatusMessage(this).validation(
                                        vfr ?
                                        CStatusMessage::SeverityInfo :
-                                       CStatusMessage::SeverityWarning, "Missing '%1'") << ui->lbl_Route->text());
+                                       CStatusMessage::SeverityWarning, u"Missing '%1'") << ui->lbl_Route->text());
             }
             else if (v.length() > CFlightPlan::MaxRouteLength)
             {
-                messages.push_back(CStatusMessage(this).validationError("Flight plan route length exceeded (%1 chars max.)") << CFlightPlan::MaxRouteLength);
+                messages.push_back(CStatusMessage(this).validationError(u"Flight plan route length exceeded (%1 chars max.)") << CFlightPlan::MaxRouteLength);
             }
             else
             {
@@ -323,11 +323,11 @@ namespace BlackGui
             v = ui->pte_Remarks->toPlainText().trimmed();
             if (v.isEmpty())
             {
-                messages.push_back(CStatusMessage(this).validationError("No '%1', voice capabilities are mandatory") << ui->lbl_Remarks->text());
+                messages.push_back(CStatusMessage(this).validationError(u"No '%1', voice capabilities are mandatory") << ui->lbl_Remarks->text());
             }
             else if (v.length() > CFlightPlan::MaxRemarksLength)
             {
-                messages.push_back(CStatusMessage(this).validationError("Flight plan remarks length exceeded (%1 chars max.)") << CFlightPlan::MaxRemarksLength);
+                messages.push_back(CStatusMessage(this).validationError(u"Flight plan remarks length exceeded (%1 chars max.)") << CFlightPlan::MaxRemarksLength);
             }
             else
             {
@@ -338,7 +338,7 @@ namespace BlackGui
             v = ui->le_EstimatedTimeEnroute->text();
             if (v.isEmpty() || v == defaultTime())
             {
-                messages.push_back(CStatusMessage(this).validation(severity, "Missing '%1'") << ui->lbl_EstimatedTimeEnroute->text());
+                messages.push_back(CStatusMessage(this).validation(severity, u"Missing '%1'") << ui->lbl_EstimatedTimeEnroute->text());
             }
             flightPlan.setEnrouteTime(v);
 
@@ -346,7 +346,7 @@ namespace BlackGui
             v = ui->le_FuelOnBoard->text();
             if (v.isEmpty() || v == defaultTime())
             {
-                messages.push_back(CStatusMessage(this).validation(severity, "Missing '%1'") << ui->lbl_FuelOnBoard->text());
+                messages.push_back(CStatusMessage(this).validation(severity, u"Missing '%1'") << ui->lbl_FuelOnBoard->text());
             }
             flightPlan.setFuelTime(v);
 
@@ -354,7 +354,7 @@ namespace BlackGui
             v = ui->le_TakeOffTimePlanned->text();
             if (v.isEmpty() || v == defaultTime())
             {
-                messages.push_back(CStatusMessage(this).validation(severity, "Missing '%1'") << ui->lbl_TakeOffTimePlanned->text());
+                messages.push_back(CStatusMessage(this).validation(severity, u"Missing '%1'") << ui->lbl_TakeOffTimePlanned->text());
             }
             flightPlan.setTakeoffTimePlanned(v);
 
@@ -369,7 +369,7 @@ namespace BlackGui
             v = ui->le_DestinationAirport->text();
             if (v.isEmpty() || v.endsWith(defaultIcao(), Qt::CaseInsensitive))
             {
-                messages.push_back(CStatusMessage(this).validationError("Missing '%1'") << ui->lbl_DestinationAirport->text());
+                messages.push_back(CStatusMessage(this).validationError(u"Missing '%1'") << ui->lbl_DestinationAirport->text());
                 flightPlan.setDestinationAirportIcao(QString());
             }
             else
@@ -381,7 +381,7 @@ namespace BlackGui
             v = ui->le_OriginAirport->text();
             if (v.isEmpty() || v.endsWith(defaultIcao(), Qt::CaseInsensitive))
             {
-                messages.push_back(CStatusMessage(this).validationError("Missing '%1'") << ui->lbl_OriginAirport->text());
+                messages.push_back(CStatusMessage(this).validationError(u"Missing '%1'") << ui->lbl_OriginAirport->text());
                 flightPlan.setOriginAirportIcao(defaultIcao());
             }
             else
@@ -395,7 +395,7 @@ namespace BlackGui
             cruiseTAS.parseFromString(v, CPqString::SeparatorBestGuess);
             if (cruiseTAS.isNull())
             {
-                messages.push_back(CStatusMessage(this).validationError("Wrong TAS, %1") << ui->lbl_CruiseTrueAirspeed->text());
+                messages.push_back(CStatusMessage(this).validationError(u"Wrong TAS, %1") << ui->lbl_CruiseTrueAirspeed->text());
                 flightPlan.setDestinationAirportIcao(defaultIcao());
             }
             else
@@ -409,7 +409,7 @@ namespace BlackGui
             {
                 if (!messages.hasWarningOrErrorMessages())
                 {
-                    messages.push_back(CStatusMessage(this).validationInfo("Missing %1") << ui->lbl_AlternateAirport->text());
+                    messages.push_back(CStatusMessage(this).validationInfo(u"Missing %1") << ui->lbl_AlternateAirport->text());
                 }
                 flightPlan.setAlternateAirportIcao(QString());
             }
@@ -421,7 +421,7 @@ namespace BlackGui
             // OK
             if (!messages.isFailure())
             {
-                messages.push_back(CStatusMessage(this).validationInfo("Flight plan validation passed"));
+                messages.push_back(CStatusMessage(this).validationInfo(u"Flight plan validation passed"));
             }
             return messages;
         }
@@ -440,12 +440,12 @@ namespace BlackGui
                     flightPlan.setWhenLastSentOrLoaded(QDateTime::currentDateTimeUtc());
                     sGui->getIContextNetwork()->sendFlightPlan(flightPlan);
                     lastSent = flightPlan.whenLastSentOrLoaded().toString();
-                    m = CStatusMessage(this).validationInfo("Sent flight plan");
+                    m = CStatusMessage(this).validationInfo(u"Sent flight plan");
                 }
                 else
                 {
                     flightPlan.setWhenLastSentOrLoaded(QDateTime()); // empty
-                    m = CStatusMessage(this).validationError("No errors, but not connected, cannot send flight plan");
+                    m = CStatusMessage(this).validationError(u"No errors, but not connected, cannot send flight plan");
                 }
                 ui->le_LastSent->setText(lastSent);
                 this->showOverlayMessage(m, OverlayMessageMs);
@@ -544,7 +544,7 @@ namespace BlackGui
         {
             if (!sGui || sGui->isShuttingDown() || !sGui->getIContextNetwork() || !sGui->getIContextNetwork()->isConnected())
             {
-                const CStatusMessage m = CLogMessage(this).validationWarning("Cannot load network flight plan, network not connected");
+                const CStatusMessage m = CLogMessage(this).validationWarning(u"Cannot load network flight plan, network not connected");
                 this->showOverlayHTMLMessage(m, OverlayTimeoutMs);
                 return;
             }
@@ -556,11 +556,11 @@ namespace BlackGui
                 const QMessageBox::StandardButton r = QMessageBox::warning(this, "Loaded FP", "Override current flight plan data?", QMessageBox::Yes | QMessageBox::No);
                 if (r != QMessageBox::Yes) { return; }
                 this->fillWithFlightPlanData(loadedPlan);
-                CLogMessage(this).info("Updated with loaded flight plan");
+                CLogMessage(this).info(u"Updated with loaded flight plan");
             }
             else
             {
-                const CStatusMessage m = CLogMessage(this).warning("No flight plan data in loaded plan");
+                const CStatusMessage m = CLogMessage(this).warning(u"No flight plan data in loaded plan");
                 this->showOverlayHTMLMessage(m, OverlayTimeoutMs);
             }
         }
@@ -620,7 +620,7 @@ namespace BlackGui
             const QString generated = ui->pte_RemarksGenerated->toPlainText().trimmed();
             if (confirm && !this->overrideRemarks()) { return; }
             ui->pte_Remarks->setPlainText(generated);
-            CLogMessage(this).info("Copied remarks");
+            CLogMessage(this).info(u"Copied remarks");
         }
 
         void CFlightPlanComponent::currentTabGenerator()
@@ -752,11 +752,11 @@ namespace BlackGui
             if (vfr)
             {
                 ui->cb_NoSidsStarts->setChecked(true);
-                msgs.push_back(CStatusMessage(this).validationInfo("No SID/STARs"));
+                msgs.push_back(CStatusMessage(this).validationInfo(u"No SID/STARs"));
                 ui->cb_RequiredNavigationPerformance->setCurrentIndex(0);
                 ui->cb_PerformanceCategory->setCurrentIndex(0);
                 ui->cb_NavigationEquipment->setCurrentIndex(0);
-                msgs.push_back(CStatusMessage(this).validationInfo("Set navigation and performance to VFR"));
+                msgs.push_back(CStatusMessage(this).validationInfo(u"Set navigation and performance to VFR"));
             }
             else
             {
@@ -767,11 +767,11 @@ namespace BlackGui
                     if (icao.getEnginesCount() >= 2 && icao.getEngineType() == "J")
                     {
                         // jet with >=2 engines
-                        msgs.push_back(CStatusMessage(this).validationInfo("Jet >=2 engines"));
-                        msgs.push_back(CStatusMessage(this).validationInfo("SID/STARs"));
+                        msgs.push_back(CStatusMessage(this).validationInfo(u"Jet >=2 engines"));
+                        msgs.push_back(CStatusMessage(this).validationInfo(u"SID/STARs"));
                         ui->cb_NoSidsStarts->setChecked(false);
                         ui->cb_NavigationEquipment->setCurrentText("GPS or FMC capable of SIDs/STARs");
-                        msgs.push_back(CStatusMessage(this).validationInfo("GPS or FMC capable of SIDs/STARs"));
+                        msgs.push_back(CStatusMessage(this).validationInfo(u"GPS or FMC capable of SIDs/STARs"));
 
                         // reset those values
                         ui->cb_RequiredNavigationPerformance->setCurrentIndex(0);
diff --git a/src/blackgui/components/hotkeydialog.cpp b/src/blackgui/components/hotkeydialog.cpp
index 977d19635..4eb2868be 100644
--- a/src/blackgui/components/hotkeydialog.cpp
+++ b/src/blackgui/components/hotkeydialog.cpp
@@ -205,19 +205,19 @@ namespace BlackGui
         {
             if (m_actionHotkey.getApplicableMachine().getMachineName().isEmpty())
             {
-                CLogMessage().validationWarning("Missing hotkey '%1'") << ui->gb_Machine->title();
+                CLogMessage().validationWarning(u"Missing hotkey '%1'") << ui->gb_Machine->title();
                 return;
             }
 
             if (m_actionHotkey.getCombination().isEmpty())
             {
-                CLogMessage().validationWarning("Missing hotkey '%1'") << ui->gb_Hotkey->title();
+                CLogMessage().validationWarning(u"Missing hotkey '%1'") << ui->gb_Hotkey->title();
                 return;
             }
 
             if (m_actionHotkey.getAction().isEmpty())
             {
-                CLogMessage().validationWarning("Missing hotkey '%1'") << ui->gb_Action->title();
+                CLogMessage().validationWarning(u"Missing hotkey '%1'") << ui->gb_Action->title();
                 return;
             }
 
diff --git a/src/blackgui/components/installxswiftbuscomponent.cpp b/src/blackgui/components/installxswiftbuscomponent.cpp
index 11c836de4..74def1675 100644
--- a/src/blackgui/components/installxswiftbuscomponent.cpp
+++ b/src/blackgui/components/installxswiftbuscomponent.cpp
@@ -74,7 +74,7 @@ namespace BlackGui
             if (xPlanePluginDir.isEmpty()) { return; } // canceled
             if (!QDir(xPlanePluginDir).exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning("'%1' is not a valid X-Plane plugin directory") << xPlanePluginDir;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning(u"'%1' is not a valid X-Plane plugin directory") << xPlanePluginDir;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -90,7 +90,7 @@ namespace BlackGui
             if (downloadDir.isEmpty()) { return; } // canceled
             if (!QDir(downloadDir).exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning("'%1' is not a valid download directory") << downloadDir;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning(u"'%1' is not a valid download directory") << downloadDir;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -104,7 +104,7 @@ namespace BlackGui
             QFile downloadFile(downloadFileName);
             if (!downloadFile.exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Cannot read downloaded file '%1'") << downloadFileName;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Cannot read downloaded file '%1'") << downloadFileName;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -112,7 +112,7 @@ namespace BlackGui
             const QString xSwiftBusDirectory = this->xSwiftBusDir();
             if (xSwiftBusDirectory.isEmpty())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("No directory to install to'");
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"No directory to install to'");
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -120,7 +120,7 @@ namespace BlackGui
             const QDir installDir(xSwiftBusDirectory);
             if (!installDir.exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Directory '%1' does not exist") << xSwiftBusDirectory;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Directory '%1' does not exist") << xSwiftBusDirectory;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -133,7 +133,7 @@ namespace BlackGui
                     const bool removed = destFile.remove();
                     if (!removed)
                     {
-                        const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Cannot remove '%1'") << destFileName;
+                        const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Cannot remove '%1'") << destFileName;
                         this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                         return;
                     }
@@ -143,7 +143,7 @@ namespace BlackGui
             const bool copied = QFile::copy(downloadFileName, destFileName);
             if (!copied)
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Cannot copy '%1' to '%2'") << downloadFileName << destFileName;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Cannot copy '%1' to '%2'") << downloadFileName << destFileName;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -152,7 +152,7 @@ namespace BlackGui
             const QFileInfo destFile(destFileName);
             if (!destFile.exists())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("XSwiftBus file '%1' does not exist") << destFileName;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"XSwiftBus file '%1' does not exist") << destFileName;
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -162,7 +162,7 @@ namespace BlackGui
             if (CCompressUtils::zip7Uncompress(destFile.absoluteFilePath(), xSwiftBusDirectory, &stdOutAndError))
             {
                 // capture values by copy!
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).info("Uncompressed xSwiftBus in '%1'") << xSwiftBusDirectory;
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).info(u"Uncompressed xSwiftBus in '%1'") << xSwiftBusDirectory;
                 this->showOverlayMessagesWithConfirmation(msg, false, "Delete downloaded file?", [ = ]
                 {
                     QFile downloadFile(downloadFileName);
@@ -174,7 +174,7 @@ namespace BlackGui
             }
             else
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning("Unzip failed: stdout '%1' stderr '%2'") << safeAt(stdOutAndError, 0) << safeAt(stdOutAndError, 1);
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).warning(u"Unzip failed: stdout '%1' stderr '%2'") << safeAt(stdOutAndError, 0) << safeAt(stdOutAndError, 1);
                 this->showOverlayMessage(msg);
             }
 
@@ -195,7 +195,7 @@ namespace BlackGui
             if (!sGui || !sGui->hasWebDataServices() || sGui->isShuttingDown()) { return; }
             if (!this->existsDownloadDir())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Invalid download directory");
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Invalid download directory");
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -204,7 +204,7 @@ namespace BlackGui
             const CUrl download = rf.getSmartUrl();
             if (download.isEmpty())
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("No download URL for file name '%1'") << rf.getNameAndSize();
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"No download URL for file name '%1'") << rf.getNameAndSize();
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
                 return;
             }
@@ -220,7 +220,7 @@ namespace BlackGui
                 if (reply == QMessageBox::Cancel) { return; }
                 if (reply == QMessageBox::Yes)
                 {
-                    const CStatusMessage msg = CStatusMessage(this).info("Using existing file '%1'") << saveAsFile;
+                    const CStatusMessage msg = CStatusMessage(this).info(u"Using existing file '%1'") << saveAsFile;
                     const QPointer<CInstallXSwiftBusComponent> guard(this);
                     QTimer::singleShot(100, this, [ = ]
                     {
@@ -234,12 +234,12 @@ namespace BlackGui
             const QNetworkReply *r = sGui->downloadFromNetwork(download, saveAsFile, { this, &CInstallXSwiftBusComponent::downloadedXSwiftBusFile});
             if (r)
             {
-                CLogMessage(this).info("Triggered downloading of XSwiftBus file from '%1'") << download.getHost();
+                CLogMessage(this).info(u"Triggered downloading of XSwiftBus file from '%1'") << download.getHost();
                 this->showLoading(120 * 1000); // timeout in any case
             }
             else
             {
-                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error("Starting download for '%1' failed") << download.getFullUrl();
+                const CStatusMessage msg = CStatusMessage(this, CLogCategory::validation()).error(u"Starting download for '%1' failed") << download.getFullUrl();
                 this->showOverlayMessage(msg, CInstallXSwiftBusComponent::OverlayMsgTimeoutMs);
             }
         }
@@ -255,7 +255,7 @@ namespace BlackGui
             }
             if (!this->existsXSwiftBusPluginDir())
             {
-                const CStatusMessage msg = CStatusMessage(this).warning("No valid install directory, cannot continue.");
+                const CStatusMessage msg = CStatusMessage(this).warning(u"No valid install directory, cannot continue.");
                 this->showOverlayMessage(msg);
                 return;
             }
diff --git a/src/blackgui/components/internalscomponent.cpp b/src/blackgui/components/internalscomponent.cpp
index 60108acd7..a84825c72 100644
--- a/src/blackgui/components/internalscomponent.cpp
+++ b/src/blackgui/components/internalscomponent.cpp
@@ -106,20 +106,20 @@ namespace BlackGui
             Q_ASSERT(sGui->getIContextNetwork());
             if (!sGui->getIContextNetwork()->isConnected())
             {
-                CLogMessage(this).validationError("Cannot send aircraft parts, network not connected");
+                CLogMessage(this).validationError(u"Cannot send aircraft parts, network not connected");
                 return;
             }
             const CCallsign callsign(ui->comp_RemoteAircraftSelector->getSelectedCallsign());
             if (callsign.isEmpty())
             {
-                CLogMessage(this).validationError("No valid callsign selected");
+                CLogMessage(this).validationError(u"No valid callsign selected");
                 return;
             }
 
             CClient client = sGui->getIContextNetwork()->getClientsForCallsigns(callsign).frontOrDefault();
             if (client.getCallsign().isEmpty() || client.getCallsign() != callsign)
             {
-                CLogMessage(this).validationError("No valid client for '%1'") << callsign.asString();
+                CLogMessage(this).validationError(u"No valid client for '%1'") << callsign.asString();
                 return;
             }
 
@@ -140,7 +140,7 @@ namespace BlackGui
             ui->tb_History->setToolTip("");
             const bool incremental = ui->cb_AircraftPartsIncremental->isChecked();
             sGui->getIContextNetwork()->testAddAircraftParts(callsign, parts, incremental);
-            CLogMessage(this).info("Added parts for %1") << callsign.toQString();
+            CLogMessage(this).info(u"Added parts for %1") << callsign.toQString();
         }
 
         void CInternalsComponent::setCurrentParts()
@@ -152,7 +152,7 @@ namespace BlackGui
             const CAircraftPartsList partsList = sGui->getIContextNetwork()->getRemoteAircraftParts(callsign);
             if (partsList.isEmpty())
             {
-                CStatusMessage(this).info("No parts for '%1'") << callsign.asString();
+                CStatusMessage(this).info(u"No parts for '%1'") << callsign.asString();
                 return;
             }
             const CAircraftParts parts = partsList.latestObject();
@@ -261,12 +261,12 @@ namespace BlackGui
             const CCallsign callsign(ui->comp_RemoteAircraftSelector->getSelectedCallsign());
             if (callsign.isEmpty())
             {
-                CLogMessage(this).validationError("No valid callsign selected");
+                CLogMessage(this).validationError(u"No valid callsign selected");
                 return;
             }
             ui->pb_RequestFromNetwork->setEnabled(false);
             sGui->getIContextNetwork()->testRequestAircraftConfig(callsign);
-            CLogMessage(this).info("Request aircraft config for '%1'") << callsign.asString();
+            CLogMessage(this).info(u"Request aircraft config for '%1'") << callsign.asString();
 
             // simple approach to update UI when parts are received
             const QPointer<CInternalsComponent> myself(this);
@@ -290,7 +290,7 @@ namespace BlackGui
             const CCallsign callsign(ui->comp_RemoteAircraftSelector->getSelectedCallsign());
             if (callsign.isEmpty())
             {
-                CLogMessage(this).validationError("No valid callsign selected");
+                CLogMessage(this).validationError(u"No valid callsign selected");
                 return;
             }
 
diff --git a/src/blackgui/components/interpolationlogdisplay.cpp b/src/blackgui/components/interpolationlogdisplay.cpp
index 6d646aed1..b2c9874f6 100644
--- a/src/blackgui/components/interpolationlogdisplay.cpp
+++ b/src/blackgui/components/interpolationlogdisplay.cpp
@@ -400,7 +400,7 @@ namespace BlackGui
                 if (!sApp || sApp->isShuttingDown()) { break; } // stop and return
                 if (m_callsign.isEmpty())
                 {
-                    // static const CStatusMessage ms = CStatusMessage(this).validationError("No callsign for logging");
+                    // static const CStatusMessage ms = CStatusMessage(this).validationError(u"No callsign for logging");
                     // m = ms;
                     break;
                 }
@@ -408,14 +408,14 @@ namespace BlackGui
                 const bool canUpdateLog = m_airspaceMonitor && m_simulator && m_simulator->isConnected() && !m_simulator->isShuttingDown();
                 if (!canUpdateLog)
                 {
-                    static const CStatusMessage ms = CStatusMessage(this).validationError("No airspace monitor or simulator or shutting down");
+                    static const CStatusMessage ms = CStatusMessage(this).validationError(u"No airspace monitor or simulator or shutting down");
                     m = ms;
                     break;
                 }
 
                 if (!m_simulator->isLogCallsign(m_callsign))
                 {
-                    static const CStatusMessage ms = CStatusMessage(this).validationError("No longer logging callsign");
+                    static const CStatusMessage ms = CStatusMessage(this).validationError(u"No longer logging callsign");
                     m = ms;
                     break;
                 }
diff --git a/src/blackgui/components/interpolationsetupcomponent.cpp b/src/blackgui/components/interpolationsetupcomponent.cpp
index 350da1848..d9014011d 100644
--- a/src/blackgui/components/interpolationsetupcomponent.cpp
+++ b/src/blackgui/components/interpolationsetupcomponent.cpp
@@ -137,7 +137,7 @@ namespace BlackGui
                 gs.setBaseValues(setup);
                 gs.setLogInterpolation(false); // that would globally log all values
                 sGui->getIContextSimulator()->setInterpolationAndRenderingSetupGlobal(gs);
-                CLogMessage(this).info("Set global setup: '%1'") << gs.toQString(true);
+                CLogMessage(this).info(u"Set global setup: '%1'") << gs.toQString(true);
 
                 const QPointer<CInterpolationSetupComponent> myself(this);
                 QTimer::singleShot(250, this, [ = ]
@@ -154,7 +154,7 @@ namespace BlackGui
                 const bool ignoreGlobal = ui->cb_IgnoreGlobal->isChecked();
                 if (ignoreGlobal && setup.isEqualToGlobal(gs))
                 {
-                    static const CStatusMessage m = CStatusMessage(this).validationWarning("Same as global setup");
+                    static const CStatusMessage m = CStatusMessage(this).validationWarning(u"Same as global setup");
                     this->showOverlayMessage(m);
                     return;
                 }
@@ -222,7 +222,7 @@ namespace BlackGui
             {
                 if (showOverlay)
                 {
-                    const CStatusMessage m = CStatusMessage(this).validationError("No context");
+                    const CStatusMessage m = CStatusMessage(this).validationError(u"No context");
                     this->showOverlayMessage(m);
                 }
                 return false;
@@ -231,7 +231,7 @@ namespace BlackGui
             {
                 if (showOverlay)
                 {
-                    const CStatusMessage m = CStatusMessage(this).validationError("No simulator available");
+                    const CStatusMessage m = CStatusMessage(this).validationError(u"No simulator available");
                     this->showOverlayMessage(m);
                 }
                 return false;
diff --git a/src/blackgui/components/legalinfocomponent.cpp b/src/blackgui/components/legalinfocomponent.cpp
index 45562c74d..67128a002 100644
--- a/src/blackgui/components/legalinfocomponent.cpp
+++ b/src/blackgui/components/legalinfocomponent.cpp
@@ -62,7 +62,7 @@ namespace BlackGui
         bool CLegalInfoComponent::validateAgreement()
         {
             if (this->isAgreedTo()) { return true; }
-            static const CStatusMessage m = CStatusMessage(this).validationError("You need to agree with the swift license");
+            static const CStatusMessage m = CStatusMessage(this).validationError(u"You need to agree with the swift license");
             this->showOverlayMessage(m);
             return false;
         }
@@ -77,7 +77,7 @@ namespace BlackGui
         void CLegalInfoComponent::showCrashDumpHint()
         {
             if (ui->cb_CrashDumps->isChecked()) { return; }
-            const CStatusMessage m = CStatusMessage(this).info("We recommend to enable crash dump uploads");
+            const CStatusMessage m = CStatusMessage(this).info(u"We recommend to enable crash dump uploads");
             this->showOverlayHTMLMessage(m, 7500);
         }
 
diff --git a/src/blackgui/components/logincomponent.cpp b/src/blackgui/components/logincomponent.cpp
index a667f7c25..249479687 100644
--- a/src/blackgui/components/logincomponent.cpp
+++ b/src/blackgui/components/logincomponent.cpp
@@ -253,14 +253,14 @@ namespace BlackGui
             {
                 if (!this->validateAircraftValues())
                 {
-                    this->showOverlayHTMLMessage(CStatusMessage(this).validationWarning("Invalid aircraft data, login not possible"), OverlayMessageMs);
+                    this->showOverlayHTMLMessage(CStatusMessage(this).validationWarning(u"Invalid aircraft data, login not possible"), OverlayMessageMs);
                     return;
                 }
 
                 const CStatusMessageList pilotMsgs = ui->form_Pilot->validate();
                 if (pilotMsgs.isFailure())
                 {
-                    this->showOverlayHTMLMessage(CStatusMessage(this).validationWarning("Invalid pilot data, login not possible"), OverlayMessageMs);
+                    this->showOverlayHTMLMessage(CStatusMessage(this).validationWarning(u"Invalid pilot data, login not possible"), OverlayMessageMs);
                     return;
                 }
 
@@ -272,8 +272,8 @@ namespace BlackGui
                 const INetwork::LoginMode mode = ui->frp_LoginMode->getLoginMode();
                 switch (mode)
                 {
-                case INetwork::LoginStealth: CLogMessage(this).info("login in stealth mode"); break;
-                case INetwork::LoginAsObserver: CLogMessage(this).info("login in observer mode"); break;
+                case INetwork::LoginStealth: CLogMessage(this).info(u"login in stealth mode"); break;
+                case INetwork::LoginAsObserver: CLogMessage(this).info(u"login in observer mode"); break;
                 default: break; // INetwork::LoginNormal
                 }
 
@@ -685,8 +685,8 @@ namespace BlackGui
             const QString modelStr(model.hasModelString() ? model.getModelString() : "<unknown>");
             if (!model.hasModelString())
             {
-                CLogMessage(this).validationInfo("Invalid lookup for '%1' successful: %2") << modelStr << model.toQString();
-                CLogMessage(this).validationInfo("Hint: Are you using the emulated driver? Set a model if so!");
+                CLogMessage(this).validationInfo(u"Invalid lookup for '%1' successful: %2") << modelStr << model.toQString();
+                CLogMessage(this).validationInfo(u"Hint: Are you using the emulated driver? Set a model if so!");
                 return;
             }
             this->setOwnModelAndIcaoValues();
diff --git a/src/blackgui/components/mappingcomponent.cpp b/src/blackgui/components/mappingcomponent.cpp
index c3ba56e68..92b163dbc 100644
--- a/src/blackgui/components/mappingcomponent.cpp
+++ b/src/blackgui/components/mappingcomponent.cpp
@@ -204,7 +204,7 @@ namespace BlackGui
             }
             else
             {
-                CLogMessage(this).info("Model set loaded ('%1'), you can update the model view") << simulator.toQString(true);
+                CLogMessage(this).info(u"Model set loaded ('%1'), you can update the model view") << simulator.toQString(true);
             }
         }
 
@@ -231,7 +231,7 @@ namespace BlackGui
             if (!saFromBackend.hasValidCallsign()) { return; } // obviously deleted
             const bool nowEnabled = sa.isEnabled();
             if (saFromBackend.isEnabled() == nowEnabled) { return; } // already same value
-            CLogMessage(this).info("Request to %1 aircraft '%2'") << (nowEnabled ? "enable" : "disable") << saFromBackend.getCallsign().toQString();
+            CLogMessage(this).info(u"Request to %1 aircraft '%2'") << (nowEnabled ? "enable" : "disable") << saFromBackend.getCallsign().toQString();
             sGui->getIContextNetwork()->updateAircraftEnabled(saFromBackend.getCallsign(), nowEnabled);
         }
 
@@ -272,7 +272,7 @@ namespace BlackGui
             const QString cs = ui->le_Callsign->text().trimmed();
             if (!CCallsign::isValidAircraftCallsign(cs))
             {
-                this->showOverlayMessage(CStatusMessage(this).validationError("Invalid callsign for mapping"), OverlayMessageMs);
+                this->showOverlayMessage(CStatusMessage(this).validationError(u"Invalid callsign for mapping"), OverlayMessageMs);
                 return CCallsign();
             }
 
@@ -280,7 +280,7 @@ namespace BlackGui
             const bool hasCallsign = ui->tvp_RenderedAircraft->container().containsCallsign(callsign);
             if (!hasCallsign)
             {
-                const CStatusMessage msg = CStatusMessage(this).validationError("Unmapped callsign '%1' for mapping") << callsign.asString();
+                const CStatusMessage msg = CStatusMessage(this).validationError(u"Unmapped callsign '%1' for mapping") << callsign.asString();
                 this->showOverlayMessage(msg);
                 return CCallsign();
             }
@@ -316,7 +316,7 @@ namespace BlackGui
         {
             if (!sGui || !sGui->getIContextSimulator() || !sGui->getISimulator() || !sGui->getISimulator()->isConnected()) { return; }
             const int reMatchedNo = sGui->getIContextSimulator()->doMatchingsAgain();
-            CLogMessage(this).info("Triggered re-apping of %1 aircraft") << reMatchedNo;
+            CLogMessage(this).info(u"Triggered re-apping of %1 aircraft") << reMatchedNo;
         }
 
         void CMappingComponent::onSaveAircraft()
@@ -327,7 +327,7 @@ namespace BlackGui
             const QString modelString = ui->completer_ModelStrings->getModelString();
             if (modelString.isEmpty())
             {
-                this->showOverlayMessage(CStatusMessage(this).validationError("Missing model for mapping"), OverlayMessageMs);
+                this->showOverlayMessage(CStatusMessage(this).validationError(u"Missing model for mapping"), OverlayMessageMs);
                 return;
             }
 
@@ -340,7 +340,7 @@ namespace BlackGui
 
             if (!hasModel)
             {
-                this->showOverlayMessage(CStatusMessage(this).validationError("Invalid model for mapping, reloading model set"), OverlayMessageMs);
+                this->showOverlayMessage(CStatusMessage(this).validationError(u"Invalid model for mapping, reloading model set"), OverlayMessageMs);
                 if (ui->tvp_AircraftModels->isEmpty())
                 {
                     this->onModelsUpdateRequested();
@@ -358,7 +358,7 @@ namespace BlackGui
                 const CAircraftModelList models = sGui->getIContextSimulator()->getModelSetModelsStartingWith(modelString);
                 if (models.isEmpty())
                 {
-                    const CStatusMessage msg = CStatusMessage(this).validationError("No model for title: '%1'") << modelString;
+                    const CStatusMessage msg = CStatusMessage(this).validationError(u"No model for title: '%1'") << modelString;
                     this->showOverlayMessage(msg, OverlayMessageMs);
                     return;
                 }
@@ -372,12 +372,12 @@ namespace BlackGui
                     }
                     else
                     {
-                        const CStatusMessage msg = CStatusMessage(this).validationInfo("Ambigious title: '%1', using '%2'") << modelString << model.getModelString();
+                        const CStatusMessage msg = CStatusMessage(this).validationInfo(u"Ambigious title: '%1', using '%2'") << modelString << model.getModelString();
                         this->showOverlayMessage(msg, OverlayMessageMs);
                     }
                 }
                 model.setModelType(CAircraftModel::TypeManuallySet);
-                CLogMessage(this).info("Requesting changes for '%1'") << callsign.asString();
+                CLogMessage(this).info(u"Requesting changes for '%1'") << callsign.asString();
                 changed = sGui->getIContextNetwork()->updateAircraftModel(aircraftFromBackend.getCallsign(), model, identifier());
             }
             if (aircraftFromBackend.isEnabled() != enabled)
@@ -387,7 +387,7 @@ namespace BlackGui
 
             if (!changed)
             {
-                this->showOverlayMessage(CLogMessage(this).info("Model mapping, nothing to change"), OverlayMessageMs);
+                this->showOverlayMessage(CLogMessage(this).info(u"Model mapping, nothing to change"), OverlayMessageMs);
             }
         }
 
@@ -398,8 +398,8 @@ namespace BlackGui
             if (callsign.isEmpty()) { return; }
             const bool reset = sGui->getIContextSimulator()->resetToModelMatchingAircraft(callsign);
             const CStatusMessage msg = reset ?
-                                       CStatusMessage(this).info("Model reset for '%1'") << callsign.toQString() :
-                                       CStatusMessage(this).info("Reset failed for '%1'") << callsign.toQString();
+                                       CStatusMessage(this).info(u"Model reset for '%1'") << callsign.toQString() :
+                                       CStatusMessage(this).info(u"Reset failed for '%1'") << callsign.toQString();
             this->showOverlayMessage(msg, 3000);
         }
 
diff --git a/src/blackgui/components/settingsfontcomponent.cpp b/src/blackgui/components/settingsfontcomponent.cpp
index 4bff4d6e1..c22662abf 100644
--- a/src/blackgui/components/settingsfontcomponent.cpp
+++ b/src/blackgui/components/settingsfontcomponent.cpp
@@ -98,11 +98,11 @@ namespace BlackGui
                 const bool ok = sGui->updateFont(m_qss);
                 if (ok)
                 {
-                    CLogMessage(this).info("Updated font style");
+                    CLogMessage(this).info(u"Updated font style");
                 }
                 else
                 {
-                    CLogMessage(this).warning("Updating style failed");
+                    CLogMessage(this).warning(u"Updating style failed");
                 }
             }
             emit this->accept();
diff --git a/src/blackgui/components/settingsguicomponent.cpp b/src/blackgui/components/settingsguicomponent.cpp
index 06e60b82e..dc6a3235e 100644
--- a/src/blackgui/components/settingsguicomponent.cpp
+++ b/src/blackgui/components/settingsguicomponent.cpp
@@ -113,7 +113,7 @@ namespace BlackGui
             if (sGui->getIContextNetwork() && sGui->getIContextNetwork()->isConnected())
             {
                 // Style changes freeze the GUI, must not be done in flight mode
-                CLogMessage(this).validationError("Cannot change style while connected to network");
+                CLogMessage(this).validationError(u"Cannot change style while connected to network");
                 ui->cb_SettingsGuiWidgetStyle->setCurrentText(settings.getWidgetStyle());
                 return;
             }
diff --git a/src/blackgui/components/settingsmatchingcomponent.cpp b/src/blackgui/components/settingsmatchingcomponent.cpp
index 9fb83f0f8..a9c3fe874 100644
--- a/src/blackgui/components/settingsmatchingcomponent.cpp
+++ b/src/blackgui/components/settingsmatchingcomponent.cpp
@@ -83,7 +83,7 @@ namespace BlackGui
         {
             if (!sGui || !sGui->getISimulator() || !sGui->getISimulator()->isConnected()) { return; }
             const int reMatchedNo = sGui->getIContextSimulator()->doMatchingsAgain();
-            CLogMessage(this).info("Triggered re-apping of %1 aircraft") << reMatchedNo;
+            CLogMessage(this).info(u"Triggered re-apping of %1 aircraft") << reMatchedNo;
         }
 
         void CSettingsMatchingComponent::onSetupChanged()
diff --git a/src/blackgui/components/settingssimulatorbasicscomponent.cpp b/src/blackgui/components/settingssimulatorbasicscomponent.cpp
index 28e2cd6c1..f83377893 100644
--- a/src/blackgui/components/settingssimulatorbasicscomponent.cpp
+++ b/src/blackgui/components/settingssimulatorbasicscomponent.cpp
@@ -198,7 +198,7 @@ namespace BlackGui
             ui->pte_ExcludeDirectories->clear();
             this->displayDefaultValuesAsPlaceholder(simulator);
 
-            CLogMessage(this).info("Reset values for settings of %1") << simulator.toQString(true);
+            CLogMessage(this).info(u"Reset values for settings of %1") << simulator.toQString(true);
         }
 
         void CSettingsSimulatorBasicsComponent::onSimulatorChanged()
diff --git a/src/blackgui/components/settingssimulatorcomponent.cpp b/src/blackgui/components/settingssimulatorcomponent.cpp
index 18df3209a..f1534c790 100644
--- a/src/blackgui/components/settingssimulatorcomponent.cpp
+++ b/src/blackgui/components/settingssimulatorcomponent.cpp
@@ -156,7 +156,7 @@ namespace BlackGui
             const CSimulatorPluginInfo selected = simDrivers.findByIdentifier(identifier);
             if (selected.isUnspecified())
             {
-                CLogMessage(this).error("Simulator plugin does not exist: '%1'") << identifier;
+                CLogMessage(this).error(u"Simulator plugin does not exist: '%1'") << identifier;
                 return;
             }
 
@@ -198,11 +198,11 @@ namespace BlackGui
             const int noRendered = setup.getMaxRenderedAircraft();
             if (noRequested == noRendered)
             {
-                CLogMessage(this).info("Max.rendered aircraft: %1") << noRendered;
+                CLogMessage(this).info(u"Max.rendered aircraft: %1") << noRendered;
             }
             else
             {
-                CLogMessage(this).info("Max.rendered aircraft: %1, requested: %2") << noRendered << noRequested;
+                CLogMessage(this).info(u"Max.rendered aircraft: %1, requested: %2") << noRendered << noRequested;
                 ui->le_MaxAircraft->setText(QString::number(noRendered));
             }
             this->setGuiValues();
@@ -225,7 +225,7 @@ namespace BlackGui
             }
             else
             {
-                CLogMessage(this).info("Max.distance requested: %1") << newDistance.valueRoundedWithUnit(2, true);
+                CLogMessage(this).info(u"Max.distance requested: %1") << newDistance.valueRoundedWithUnit(2, true);
                 setup.setMaxRenderedDistance(newDistance);
                 sGui->getIContextSimulator()->setInterpolationAndRenderingSetupGlobal(setup);
                 this->setGuiValues();
@@ -251,7 +251,7 @@ namespace BlackGui
             }
             if (ost.isNull())
             {
-                CLogMessage().validationWarning("Invalid offset time");
+                CLogMessage().validationWarning(u"Invalid offset time");
             }
             else
             {
diff --git a/src/blackgui/components/setuploadingdialog.cpp b/src/blackgui/components/setuploadingdialog.cpp
index 0fe013e11..312c75afb 100644
--- a/src/blackgui/components/setuploadingdialog.cpp
+++ b/src/blackgui/components/setuploadingdialog.cpp
@@ -92,14 +92,14 @@ namespace BlackGui
                     for (const CUrl &url : bootstrapUrls)
                     {
                         const CStatusMessage msg = CNetworkUtils::canConnect(url) ?
-                        CStatusMessage(this).info("Can connect to '%1'") << url.getFullUrl() : CStatusMessage(this).warning("Cannot connect to '%1'") << url.getFullUrl();
+                        CStatusMessage(this).info(u"Can connect to '%1'") << url.getFullUrl() : CStatusMessage(this).warning(u"Cannot connect to '%1'") << url.getFullUrl();
                         ui->comp_Messages->appendStatusMessageToList(msg);
                     }
                 });
             }
             else
             {
-                const CStatusMessage msg = CStatusMessage(this).warning("No loaded bootstrap setup available, skipping URL test");
+                const CStatusMessage msg = CStatusMessage(this).warning(u"No loaded bootstrap setup available, skipping URL test");
                 ui->comp_Messages->appendStatusMessageToList(msg);
             }
         }
diff --git a/src/blackgui/components/simulatorcomponent.cpp b/src/blackgui/components/simulatorcomponent.cpp
index 6abdd0684..27841a5cf 100644
--- a/src/blackgui/components/simulatorcomponent.cpp
+++ b/src/blackgui/components/simulatorcomponent.cpp
@@ -185,7 +185,7 @@ namespace BlackGui
 
         void CSimulatorComponent::onAddingRemoteModelFailed(const CSimulatedAircraft &aircraft, bool disabled, const CStatusMessage &message)
         {
-            ui->comp_StatusMessages->appendStatusMessageToList(CStatusMessage(this).warning("Adding model failed, disabled: %1: '%2'") << boolToYesNo(disabled) << aircraft.toQString(true));
+            ui->comp_StatusMessages->appendStatusMessageToList(CStatusMessage(this).warning(u"Adding model failed, disabled: %1: '%2'") << boolToYesNo(disabled) << aircraft.toQString(true));
             ui->comp_StatusMessages->appendStatusMessageToList(message);
         }
 
diff --git a/src/blackgui/components/textmessagecomponent.cpp b/src/blackgui/components/textmessagecomponent.cpp
index 1e578631a..54a12b6f9 100644
--- a/src/blackgui/components/textmessagecomponent.cpp
+++ b/src/blackgui/components/textmessagecomponent.cpp
@@ -173,7 +173,7 @@ namespace BlackGui
 
                     if (msgSettings.popupSelcalMessages())
                     {
-                        emit this->displayInInfoWindow(CLogMessage(this).info("SELCAL received"), 3 * 1000);
+                        emit this->displayInInfoWindow(CLogMessage(this).info(u"SELCAL received"), 3 * 1000);
                     }
                     continue;
                 }
@@ -538,7 +538,7 @@ namespace BlackGui
             QString cmd(".msg ");
             if (index < 0 || index == ui->tw_TextMessages->indexOf(ui->tb_TextMessagesAll))
             {
-                CLogMessage(this).validationError("Incorrect message channel");
+                CLogMessage(this).validationError(u"Incorrect message channel");
                 return {};
             }
             else
@@ -609,7 +609,7 @@ namespace BlackGui
         {
             if (callsign.isEmpty())
             {
-                CLogMessage(this).warning("No callsign to display text message");
+                CLogMessage(this).warning(u"No callsign to display text message");
                 return;
             }
             QWidget *w = this->findTextMessageTabByCallsign(callsign, true);
diff --git a/src/blackgui/editors/aircraftpartsform.cpp b/src/blackgui/editors/aircraftpartsform.cpp
index fd0eb3ee5..7c6ebd50e 100644
--- a/src/blackgui/editors/aircraftpartsform.cpp
+++ b/src/blackgui/editors/aircraftpartsform.cpp
@@ -72,14 +72,14 @@ namespace BlackGui
             CAircraftParts parts;
             if (jsonParts.isEmpty())
             {
-                CLogMessage(this).validationError("No JSON content");
+                CLogMessage(this).validationError(u"No JSON content");
                 return parts;
             }
             QJsonParseError jsonError;
             QJsonDocument jsonDoc(QJsonDocument::fromJson(jsonParts.toUtf8(), &jsonError));
             if (jsonError.error != QJsonParseError::NoError)
             {
-                CLogMessage(this).validationError("Parse error: %1") << jsonError.errorString();
+                CLogMessage(this).validationError(u"Parse error: %1") << jsonError.errorString();
                 return parts;
             }
 
diff --git a/src/blackgui/editors/cockpitcomform.cpp b/src/blackgui/editors/cockpitcomform.cpp
index 464b5de52..65095206c 100644
--- a/src/blackgui/editors/cockpitcomform.cpp
+++ b/src/blackgui/editors/cockpitcomform.cpp
@@ -170,7 +170,7 @@ namespace BlackGui
             }
             else
             {
-                CLogMessage(this).validationWarning("Wrong transponder code, reset");
+                CLogMessage(this).validationWarning(u"Wrong transponder code, reset");
                 ui->sbp_ComPanelTransponder->setValue(transponder.getTransponderCode());
             }
             transponder.setTransponderMode(ui->cbp_ComPanelTransponderMode->getSelectedTransponderMode());
diff --git a/src/blackgui/editors/pilotform.cpp b/src/blackgui/editors/pilotform.cpp
index 10ba6a14d..6108050b4 100644
--- a/src/blackgui/editors/pilotform.cpp
+++ b/src/blackgui/editors/pilotform.cpp
@@ -121,19 +121,19 @@ namespace BlackGui
             const CUser user(this->getUser());
             const bool validId = m_vatsim ? user.hasValidVatsimId() : user.hasId();
             ui->lblp_Id->setTicked(validId);
-            if (!validId) { msgs.push_back(CStatusMessage(this).validationError("Invalid id")); }
+            if (!validId) { msgs.push_back(CStatusMessage(this).validationError(u"Invalid id")); }
 
             const bool validHomeAirport = user.hasValidHomeBase();
             ui->lblp_HomeAirport->setTicked(validHomeAirport);
-            if (!validHomeAirport) { msgs.push_back(CStatusMessage(this).validationError("Wromg home airport")); }
+            if (!validHomeAirport) { msgs.push_back(CStatusMessage(this).validationError(u"Wromg home airport")); }
 
             const bool validCredentials = user.hasCredentials();
             ui->lblp_Password->setTicked(validCredentials);
-            if (!validCredentials) { msgs.push_back(CStatusMessage(this).validationError("Invalid credentials")); }
+            if (!validCredentials) { msgs.push_back(CStatusMessage(this).validationError(u"Invalid credentials")); }
 
             const bool validRealName = user.hasRealName();
             ui->lblp_RealName->setTicked(validRealName);
-            if (!validRealName) { msgs.push_back(CStatusMessage(this).validationError("Invalid real name")); }
+            if (!validRealName) { msgs.push_back(CStatusMessage(this).validationError(u"Invalid real name")); }
 
             return msgs;
         }
diff --git a/src/blackgui/guiapplication.cpp b/src/blackgui/guiapplication.cpp
index 33e34be31..d5c3f61af 100644
--- a/src/blackgui/guiapplication.cpp
+++ b/src/blackgui/guiapplication.cpp
@@ -368,7 +368,7 @@ namespace BlackGui
         window->restoreGeometry(g);
         window->restoreState(s);
         const QString location = settings.fileName();
-        CLogMessage(this).info("GUI settings are here: '%1'") << location;
+        CLogMessage(this).info(u"GUI settings are here: '%1'") << location;
         return true;
     }
 
@@ -714,7 +714,7 @@ namespace BlackGui
             {
                 if (!sGui || sGui->isShuttingDown()) { return; }
                 this->displayTextInConsole(this->getWebDataServices()->getReadersLog());
-                CLogMessage(this).info("Displayed services log.");
+                CLogMessage(this).info(u"Displayed services log.");
             });
             Q_ASSERT_X(c, Q_FUNC_INFO, "Connect failed");
         }
@@ -811,7 +811,7 @@ namespace BlackGui
         const CUrl helpPage = gs.getHelpPageUrl(context);
         if (helpPage.isEmpty())
         {
-            CLogMessage(this).warning("No help page");
+            CLogMessage(this).warning(u"No help page");
             return;
         }
         QDesktopServices::openUrl(helpPage);
@@ -1067,7 +1067,7 @@ namespace BlackGui
                 // changing style freezes the application, so it must not be done in flight mode
                 if (this->getIContextNetwork() && this->getIContextNetwork()->isConnected())
                 {
-                    CLogMessage(this).validationError("Cannot change style while connected to network");
+                    CLogMessage(this).validationError(u"Cannot change style while connected to network");
                 }
                 else
                 {
diff --git a/src/blackgui/infoarea.cpp b/src/blackgui/infoarea.cpp
index f97dcf502..b5a529f26 100644
--- a/src/blackgui/infoarea.cpp
+++ b/src/blackgui/infoarea.cpp
@@ -772,7 +772,7 @@ namespace BlackGui
     {
         if (m_lockTabBar)
         {
-            CLogMessage(this).info("Locked, double click will not cause floating");
+            CLogMessage(this).info(u"Locked, double click will not cause floating");
             return;
         }
         CDockWidgetInfoArea *dw = this->getDockWidgetInfoAreaByTabBarIndex(tabBarIndex);
diff --git a/src/blackgui/menus/aircraftmodelmenus.cpp b/src/blackgui/menus/aircraftmodelmenus.cpp
index 1698ef10b..2c09bcaf5 100644
--- a/src/blackgui/menus/aircraftmodelmenus.cpp
+++ b/src/blackgui/menus/aircraftmodelmenus.cpp
@@ -200,12 +200,12 @@ namespace BlackGui
             const CAircraftModelList dbModels(sGui->getWebDataServices()->getModels());
             if (dbModels.isEmpty())
             {
-                CLogMessage(this).warning("No DB models to consolidate with");
+                CLogMessage(this).warning(u"No DB models to consolidate with");
                 return;
             }
             if (!this->modelsTargetSetable())
             {
-                CLogMessage(this).warning("No setable target");
+                CLogMessage(this).warning(u"No setable target");
                 return;
             }
 
@@ -219,17 +219,17 @@ namespace BlackGui
                 if (filtered)
                 {
                     this->modelsTargetUpdatable()->updateModels(models);
-                    CLogMessage(this).info("Consolidated %1/%2 filtered models with DB") << c << models.size();
+                    CLogMessage(this).info(u"Consolidated %1/%2 filtered models with DB") << c << models.size();
                 }
                 else
                 {
                     this->modelsTargetSetable()->setModels(models);
-                    CLogMessage(this).info("Consolidated %1/%2 models with DB") << c << models.size();
+                    CLogMessage(this).info(u"Consolidated %1/%2 models with DB") << c << models.size();
                 }
             }
             else
             {
-                CLogMessage(this).info("No data consolidated with DB");
+                CLogMessage(this).info(u"No data consolidated with DB");
                 this->modelView()->hideLoadIndicator();
             }
         }
@@ -243,7 +243,7 @@ namespace BlackGui
             if (models.isEmpty()) { return; }
             if (!this->modelsTargetUpdatable())
             {
-                CLogMessage(this).warning("No updatable target");
+                CLogMessage(this).warning(u"No updatable target");
                 return;
             }
             const int c = CDatabaseUtils::consolidateModelsWithDbDataAllowsGuiRefresh(models, true, true);
@@ -317,7 +317,7 @@ namespace BlackGui
             {
                 if (!this->modelsTargetUpdatable())
                 {
-                    CLogMessage(this).warning("No updatable target");
+                    CLogMessage(this).warning(u"No updatable target");
                 }
                 else
                 {
@@ -327,7 +327,7 @@ namespace BlackGui
             this->modelView()->hideLoadIndicator(i);
             if (!removedModelStrings.isEmpty() && this->getMappingComponent())
             {
-                const CStatusMessage m = CStatusMessage(this).info("Removed %1 model(s)") << removedModelStrings.size();
+                const CStatusMessage m = CStatusMessage(this).info(u"Removed %1 model(s)") << removedModelStrings.size();
                 this->getMappingComponent()->showOverlayMessage(m, 5000);
             }
         }
@@ -339,7 +339,7 @@ namespace BlackGui
             if (models.isEmpty()) { return; }
             if (!this->modelsTargetUpdatable())
             {
-                CLogMessage(this).warning("No updatable target");
+                CLogMessage(this).warning(u"No updatable target");
                 return;
             }
 
@@ -352,7 +352,7 @@ namespace BlackGui
             this->modelView()->hideLoadIndicator(i);
             if (!removedModelStrings.isEmpty() && this->getMappingComponent())
             {
-                const CStatusMessage m = CStatusMessage(this).info("Removed %1 model(s)") << removedModelStrings.size();
+                const CStatusMessage m = CStatusMessage(this).info(u"Removed %1 model(s)") << removedModelStrings.size();
                 this->getMappingComponent()->showOverlayMessage(m, 5000);
             }
         }
diff --git a/src/blackgui/views/viewbase.cpp b/src/blackgui/views/viewbase.cpp
index 35dd55ce3..43f12c744 100644
--- a/src/blackgui/views/viewbase.cpp
+++ b/src/blackgui/views/viewbase.cpp
@@ -691,19 +691,19 @@ namespace BlackGui
             {
                 if (fileName.isEmpty())
                 {
-                    m = CStatusMessage(this).error("Load canceled, no file name");
+                    m = CStatusMessage(this).error(u"Load canceled, no file name");
                     break;
                 }
 
                 const QString json(CFileUtils::readFileToString(fileName));
                 if (json.isEmpty())
                 {
-                    m = CStatusMessage(this).warning("Reading '%1' yields no data") << fileName;
+                    m = CStatusMessage(this).warning(u"Reading '%1' yields no data") << fileName;
                     break;
                 }
                 if (!Json::looksLikeSwiftJson(json))
                 {
-                    m = CStatusMessage(this).warning("No swift JSON '%1'") << fileName;
+                    m = CStatusMessage(this).warning(u"No swift JSON '%1'") << fileName;
                     break;
                 }
 
@@ -713,7 +713,7 @@ namespace BlackGui
                     const QJsonObject jsonObject = Json::jsonObjectFromString(json, allowCacheFormat);
                     if (jsonObject.isEmpty())
                     {
-                        m = CStatusMessage(this).warning("No valid swift JSON '%1'") << fileName;
+                        m = CStatusMessage(this).warning(u"No valid swift JSON '%1'") << fileName;
                         break;
                     }
 
@@ -726,7 +726,7 @@ namespace BlackGui
                         containerVariant.convertFromJson(jsonObject);
                         if (!containerVariant.canConvert<ContainerType>())
                         {
-                            m = CStatusMessage(this).warning("No valid swift JSON '%1'") << fileName;
+                            m = CStatusMessage(this).warning(u"No valid swift JSON '%1'") << fileName;
                             break;
                         }
                         container = containerVariant.value<ContainerType>();
diff --git a/src/blackinput/linux/joysticklinux.cpp b/src/blackinput/linux/joysticklinux.cpp
index 072bba47a..ae405f793 100644
--- a/src/blackinput/linux/joysticklinux.cpp
+++ b/src/blackinput/linux/joysticklinux.cpp
@@ -41,7 +41,7 @@ namespace BlackInput
             strncpy(deviceName, "Unknown", sizeof(deviceName));
         }
 
-        CLogMessage(this).info("Found joystick: %1") << deviceName;
+        CLogMessage(this).info(u"Found joystick: %1") << deviceName;
 
         fcntl(m_fd->handle(), F_SETFL, O_NONBLOCK);
 
diff --git a/src/blackinput/linux/keyboardlinux.cpp b/src/blackinput/linux/keyboardlinux.cpp
index 0c781eaab..7f8be3ff8 100644
--- a/src/blackinput/linux/keyboardlinux.cpp
+++ b/src/blackinput/linux/keyboardlinux.cpp
@@ -186,7 +186,7 @@ namespace BlackInput
             // Is it grabbed by someone else?
             if ((ioctl(fd, EVIOCGRAB, 1) < 0))
             {
-                BlackMisc::CLogMessage(this).warning("Device exclusively grabbed by someone else (X11 using exclusive-mode evdev?)") << deviceName;
+                BlackMisc::CLogMessage(this).warning(u"Device exclusively grabbed by someone else (X11 using exclusive-mode evdev?)") << deviceName;
             }
             else
             {
@@ -194,7 +194,7 @@ namespace BlackInput
                 uint8_t keys[KEY_MAX / 8 + 1];
                 if ((ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keys)), &keys) >= 0) && (keys[KEY_SPACE / 8] & (1 << (KEY_SPACE % 8))))
                 {
-                    BlackMisc::CLogMessage(this).info("Found keyboard: %1") << deviceName;
+                    BlackMisc::CLogMessage(this).info(u"Found keyboard: %1") << deviceName;
 
                     fcntl(inputFile->handle(), F_SETFL, O_NONBLOCK);
                     connect(new QSocketNotifier(inputFile->handle(), QSocketNotifier::Read, inputFile.data()), &QSocketNotifier::activated, this, &CKeyboardLinux::inputReadyRead);
diff --git a/src/blackinput/macos/keyboardmacos.mm b/src/blackinput/macos/keyboardmacos.mm
index 1d3c0ecdf..45069f91e 100644
--- a/src/blackinput/macos/keyboardmacos.mm
+++ b/src/blackinput/macos/keyboardmacos.mm
@@ -222,7 +222,7 @@ namespace BlackInput
         CKeyboardMacOS *keyboardMac = static_cast<CKeyboardMacOS*>(refcon);
         if (type == kCGEventTapDisabledByTimeout)
         {
-            BlackMisc::CLogMessage(static_cast<CKeyboardMacOS *>(nullptr)).warning("Event tap got disabled by timeout. Enable it again.");
+            BlackMisc::CLogMessage(static_cast<CKeyboardMacOS *>(nullptr)).warning(u"Event tap got disabled by timeout. Enable it again.");
             CGEventTapEnable(keyboardMac->m_eventTap, true);
         }
         else
diff --git a/src/blackinput/win/joystickwindows.cpp b/src/blackinput/win/joystickwindows.cpp
index c2cf9cdef..ba9d21369 100644
--- a/src/blackinput/win/joystickwindows.cpp
+++ b/src/blackinput/win/joystickwindows.cpp
@@ -38,7 +38,7 @@ namespace BlackInput
             IDirectInputDevice8 *diDevice = nullptr;
             if (FAILED(hr = m_directInput->CreateDevice(m_guidDevice, &diDevice, nullptr)))
             {
-                CLogMessage(this).warning("IDirectInput8::CreateDevice failed: ") << hr;
+                CLogMessage(this).warning(u"IDirectInput8::CreateDevice failed: ") << hr;
                 return false;
             }
             m_directInputDevice.reset(diDevice);
@@ -48,14 +48,14 @@ namespace BlackInput
         if (!helperWindow) { return false; }
         if (FAILED(hr = m_directInputDevice->SetCooperativeLevel(helperWindow, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)))
         {
-            CLogMessage(this).warning("IDirectInputDevice8::SetCooperativeLevel failed: ") << hr;
+            CLogMessage(this).warning(u"IDirectInputDevice8::SetCooperativeLevel failed: ") << hr;
             return false;
         }
 
         // Set data format to c_dfDIJoystick2
         if (FAILED(hr = m_directInputDevice->SetDataFormat(&c_dfDIJoystick2)))
         {
-            CLogMessage(this).warning("IDirectInputDevice8::SetDataFormat failed: ") << hr;
+            CLogMessage(this).warning(u"IDirectInputDevice8::SetDataFormat failed: ") << hr;
             return false;
         }
 
@@ -64,7 +64,7 @@ namespace BlackInput
         // Get device capabilities - we are interested in the number of buttons.
         if (FAILED(hr = m_directInputDevice->GetCapabilities(&deviceCaps)))
         {
-            CLogMessage(this).warning("IDirectInputDevice8::GetCapabilities failed: ") << hr;
+            CLogMessage(this).warning(u"IDirectInputDevice8::GetCapabilities failed: ") << hr;
             return false;
         }
 
@@ -73,11 +73,11 @@ namespace BlackInput
 
         if (FAILED(hr = m_directInputDevice->EnumObjects(enumObjectsCallback, this, DIDFT_BUTTON)))
         {
-            CLogMessage(this).warning("IDirectInputDevice8::EnumObjects failed: ") << hr;
+            CLogMessage(this).warning(u"IDirectInputDevice8::EnumObjects failed: ") << hr;
             return false;
         }
 
-        CLogMessage(this).info("Created joystick device '%1' with %2 buttons") << m_deviceName << deviceCaps.dwButtons;
+        CLogMessage(this).info(u"Created joystick device '%1' with %2 buttons") << m_deviceName << deviceCaps.dwButtons;
         this->startTimer(50);
         return true;
     }
@@ -100,7 +100,7 @@ namespace BlackInput
                 m_directInputDevice->Acquire();
                 if (FAILED(hr = m_directInputDevice->Poll()))
                 {
-                    CLogMessage(this).warning("DirectInput error code: ") << hr;
+                    CLogMessage(this).warning(u"DirectInput error code: ") << hr;
                     return hr;
                 }
             }
@@ -113,7 +113,7 @@ namespace BlackInput
                 m_directInputDevice->Acquire();
                 if (FAILED(hr = m_directInputDevice->GetDeviceState(sizeof(DIJOYSTATE2), &state)))
                 {
-                    CLogMessage(this).warning("DirectInput error code: ") << hr;
+                    CLogMessage(this).warning(u"DirectInput error code: ") << hr;
                     return hr;
                 }
             }
@@ -159,7 +159,7 @@ namespace BlackInput
         // RPC_E_CHANGED_MODE: CoInitializeEx was already called by someone else in this thread with a different mode.
         if (hr == RPC_E_CHANGED_MODE)
         {
-            CLogMessage(this).debug("CoInitializeEx was already called with a different mode. Trying again.");
+            CLogMessage(this).debug(u"CoInitializeEx was already called with a different mode. Trying again.");
             hr = CoInitializeEx(nullptr,  COINIT_APARTMENTTHREADED);
         }
 
@@ -179,7 +179,7 @@ namespace BlackInput
         }
         else
         {
-            CLogMessage(this).warning("CoInitializeEx returned error code %1");
+            CLogMessage(this).warning(u"CoInitializeEx returned error code %1");
         }
 
     }
@@ -219,20 +219,20 @@ namespace BlackInput
     {
         if (!m_directInput)
         {
-            CLogMessage(this).warning("No direct input");
+            CLogMessage(this).warning(u"No direct input");
             return E_FAIL;
         }
 
         HRESULT hr;
         if (FAILED(hr = m_directInput->EnumDevices(DI8DEVCLASS_GAMECTRL, enumJoysticksCallback, this, DIEDFL_ATTACHEDONLY)))
         {
-            CLogMessage(this).error("Error reading joystick devices");
+            CLogMessage(this).error(u"Error reading joystick devices");
             return hr;
         }
 
         if (m_joystickDevices.empty())
         {
-            CLogMessage(this).info("No joystick device found");
+            CLogMessage(this).info(u"No joystick device found");
         }
         return hr;
     }
diff --git a/src/blackmisc/aviation/altitude.cpp b/src/blackmisc/aviation/altitude.cpp
index 7f6bcefad..c96da95e6 100644
--- a/src/blackmisc/aviation/altitude.cpp
+++ b/src/blackmisc/aviation/altitude.cpp
@@ -184,13 +184,13 @@ namespace BlackMisc
             this->setNull();
             if (v.length() < 3)
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude empty or too short")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude empty or too short")); }
                 return false;
             }
 
             if (!fpAltitudeRegExp().globalMatch(v).hasNext())
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude '%1' needs to match format '%2'") << v << fpAltitudeExamples()); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude '%1' needs to match format '%2'") << v << fpAltitudeExamples()); }
                 return false;
             }
 
@@ -212,7 +212,7 @@ namespace BlackMisc
 
             if (numericPart.isEmpty())
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude '%1' has no numeric part")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude '%1' has no numeric part")); }
                 return false;
             }
 
@@ -255,7 +255,7 @@ namespace BlackMisc
             }
             else
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude '%1' needs to match format '%2'") << v << fpAltitudeExamples()); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude '%1' needs to match format '%2'") << v << fpAltitudeExamples()); }
                 return false;
             }
 
@@ -269,29 +269,29 @@ namespace BlackMisc
         {
             if (this->isNull())
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude NULL value")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude NULL value")); }
                 return false;
             }
             if (!(this->getReferenceDatum() == FlightLevel || this->getReferenceDatum() == MeanSeaLevel))
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude, must be FL or MSL")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude, must be FL or MSL")); }
                 return false;
             }
             if (!(this->getUnit() == CLengthUnit::m() || this->getUnit() == CLengthUnit::ft()))
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude, valid unit must be 'ft' or 'm'")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude, valid unit must be 'ft' or 'm'")); }
                 return false;
             }
             if (this->isNegativeWithEpsilonConsidered())
             {
-                if (msgs) { msgs->push_back(CStatusMessage(this).validationError("Altitude must be positive")); }
+                if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"Altitude must be positive")); }
                 return false;
             }
             if (this->isFlightLevel())
             {
                 if (!this->isInteger())
                 {
-                    if (msgs) { msgs->push_back(CStatusMessage(this).validationError("FL needs to be positive integer")); }
+                    if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"FL needs to be positive integer")); }
                     return false;
                 }
 
@@ -300,12 +300,12 @@ namespace BlackMisc
                     const int flInt = this->valueInteger() / 100; // internally represented as ft: FL10->1000
                     if (flInt < 10 || flInt >= 1000)
                     {
-                        if (msgs) { msgs->push_back(CStatusMessage(this).validationError("FL range is 10-999")); }
+                        if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"FL range is 10-999")); }
                         return false;
                     }
                     if (!CMathUtils::epsilonZero(fmod(flInt, 5)))
                     {
-                        if (msgs) { msgs->push_back(CStatusMessage(this).validationError("FL needs to end with 0 or 5")); }
+                        if (msgs) { msgs->push_back(CStatusMessage(this).validationError(u"FL needs to end with 0 or 5")); }
                         return false;
                     }
                 }
diff --git a/src/blackmisc/aviation/flightplan.cpp b/src/blackmisc/aviation/flightplan.cpp
index 2e0a4dc13..c86b9dbeb 100644
--- a/src/blackmisc/aviation/flightplan.cpp
+++ b/src/blackmisc/aviation/flightplan.cpp
@@ -428,7 +428,7 @@ namespace BlackMisc
             {
                 if (fileName.isEmpty())
                 {
-                    if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError("No file name")); }
+                    if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError(u"No file name")); }
                     return CFlightPlan();
                 }
                 else
@@ -436,7 +436,7 @@ namespace BlackMisc
                     QFile f(fileName);
                     if (!f.exists())
                     {
-                        if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError("File '%1' does not exist") << fileName); }
+                        if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError(u"File '%1' does not exist") << fileName); }
                         return CFlightPlan();
                     }
                 }
@@ -444,7 +444,7 @@ namespace BlackMisc
                 const QString data = CFileUtils::readFileToString(fileName);
                 if (data.isEmpty())
                 {
-                    if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError("File '%1' does not contain data") << fileName); }
+                    if (msgs) { msgs->push_back(CStatusMessage(getLogCategories()).validationError(u"File '%1' does not contain data") << fileName); }
                     return CFlightPlan();
                 }
 
diff --git a/src/blackmisc/datacache.cpp b/src/blackmisc/datacache.cpp
index 93cbb5eae..157640736 100644
--- a/src/blackmisc/datacache.cpp
+++ b/src/blackmisc/datacache.cpp
@@ -73,7 +73,7 @@ namespace BlackMisc
     {
         if (! QDir::root().mkpath(persistentStore()))
         {
-            CLogMessage(this).error("Failed to create directory '%1'") << persistentStore();
+            CLogMessage(this).error(u"Failed to create directory '%1'") << persistentStore();
         }
 
         connect(this, &CValueCache::valuesChangedByLocal, this, &CDataCache::saveToStoreAsync);
@@ -362,7 +362,7 @@ namespace BlackMisc
 
         if (! m_lockFile.lock())
         {
-            CLogMessage(this).error("Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
+            CLogMessage(this).error(u"Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
             return {};
         }
         m_updateInProgress = true;
@@ -376,7 +376,7 @@ namespace BlackMisc
         {
             if (! revisionFile.open(QFile::ReadOnly | QFile::Text))
             {
-                CLogMessage(this).error("Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
+                CLogMessage(this).error(u"Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
                 return {};
             }
 
@@ -442,7 +442,7 @@ namespace BlackMisc
             }
             else if (revisionFile.size() > 0)
             {
-                CLogMessage(this).error("Invalid format of %1") << revisionFile.fileName();
+                CLogMessage(this).error(u"Invalid format of %1") << revisionFile.fileName();
 
                 if (m_pendingWrite) { return guard; }
                 return {};
@@ -464,7 +464,7 @@ namespace BlackMisc
         CAtomicFile revisionFile(CFileUtils::appendFilePaths(m_basename, ".rev"));
         if (! revisionFile.open(QFile::WriteOnly | QFile::Text))
         {
-            CLogMessage(this).error("Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
+            CLogMessage(this).error(u"Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
             return;
         }
 
@@ -492,7 +492,7 @@ namespace BlackMisc
 
         if (! revisionFile.checkedClose())
         {
-            CLogMessage(this).error("Failed to write to %1: %2 (%3 %4)") << revisionFile.fileName() << revisionFile.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
+            CLogMessage(this).error(u"Failed to write to %1: %2 (%3 %4)") << revisionFile.fileName() << revisionFile.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
         }
     }
 
@@ -632,7 +632,7 @@ namespace BlackMisc
 
         if (! m_lockFile.lock())
         {
-            CLogMessage(this).error("Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
+            CLogMessage(this).error(u"Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
             m_lockFile.unlock();
             return;
         }
@@ -642,7 +642,7 @@ namespace BlackMisc
         {
             if (! revisionFile.open(QFile::ReadWrite | QFile::Text))
             {
-                CLogMessage(this).error("Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
+                CLogMessage(this).error(u"Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
                 m_lockFile.unlock();
                 return;
             }
@@ -654,7 +654,7 @@ namespace BlackMisc
 
             if (!(revisionFile.seek(0) && revisionFile.resize(0) && revisionFile.write(QJsonDocument(json).toJson()) && revisionFile.checkedClose()))
             {
-                CLogMessage(this).error("Failed to write to %1: %2 (%3 %4)") << revisionFile.fileName() << revisionFile.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
+                CLogMessage(this).error(u"Failed to write to %1: %2 (%3 %4)") << revisionFile.fileName() << revisionFile.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
             }
         }
         m_lockFile.unlock();
@@ -668,7 +668,7 @@ namespace BlackMisc
 
         if (! m_lockFile.lock())
         {
-            CLogMessage(this).error("Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
+            CLogMessage(this).error(u"Failed to lock %1: %2") << m_basename << CFileUtils::lockFileError(m_lockFile);
             m_lockFile.unlock();
             return 0;
         }
@@ -684,7 +684,7 @@ namespace BlackMisc
             }
             else
             {
-                CLogMessage(this).error("Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
+                CLogMessage(this).error(u"Failed to open %1: %2") << revisionFile.fileName() << revisionFile.errorString();
             }
         }
         m_lockFile.unlock();
@@ -788,7 +788,7 @@ namespace BlackMisc
         bool ok = file.open(QIODevice::ReadWrite | QFile::Text);
         if (! ok)
         {
-            CLogMessage(this).error("Failed to open session file %1: %2") << m_filename << file.errorString();
+            CLogMessage(this).error(u"Failed to open session file %1: %2") << m_filename << file.errorString();
             return;
         }
         auto json = QJsonDocument::fromJson(file.readAll()).object();
@@ -807,7 +807,7 @@ namespace BlackMisc
         json.insert("uuid", uuid.toString());
         if (!(file.seek(0) && file.resize(0) && file.write(QJsonDocument(json).toJson()) && file.checkedClose()))
         {
-            CLogMessage(this).error("Failed to write to session file %1: %2 (%3 %4)") << m_filename << file.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
+            CLogMessage(this).error(u"Failed to write to session file %1: %2 (%3 %4)") << m_filename << file.errorString() << QThread::currentThread()->objectName() << Q_FUNC_INFO;
         }
     }
 
diff --git a/src/blackmisc/dbusserver.cpp b/src/blackmisc/dbusserver.cpp
index 0e9160218..332a1e2bd 100644
--- a/src/blackmisc/dbusserver.cpp
+++ b/src/blackmisc/dbusserver.cpp
@@ -38,8 +38,8 @@ namespace BlackMisc
                 if (! connection.isConnected() || ! connection.registerService(service))
                 {
                     // registration fails can either mean something wrong with DBus or service already exists
-                    CLogMessage(this).warning("DBus registration: %1") << connection.lastError().message();
-                    CLogMessage(this).warning("Cannot register DBus service, check server running: dbus-daemon.exe --session --address=tcp:host=192.168.0.133,port=45000");
+                    CLogMessage(this).warning(u"DBus registration: %1") << connection.lastError().message();
+                    CLogMessage(this).warning(u"Cannot register DBus service, check server running: dbus-daemon.exe --session --address=tcp:host=192.168.0.133,port=45000");
                 }
             }
             break;
@@ -50,8 +50,8 @@ namespace BlackMisc
                 if (! connection.isConnected() || ! connection.registerService(service))
                 {
                     // registration fails can either mean something wrong with DBus or service already exists
-                    CLogMessage(this).warning("DBus registration: %1") << connection.lastError().message();
-                    CLogMessage(this).warning("Cannot register DBus service, check server running: dbus-daemon.exe --system --address=tcp:host=192.168.0.133,port=45000");
+                    CLogMessage(this).warning(u"DBus registration: %1") << connection.lastError().message();
+                    CLogMessage(this).warning(u"Cannot register DBus service, check server running: dbus-daemon.exe --system --address=tcp:host=192.168.0.133,port=45000");
                 }
             }
             break;
@@ -69,11 +69,11 @@ namespace BlackMisc
                 // Note: P2P has no service name
                 if (m_busServer->isConnected())
                 {
-                    CLogMessage(this).info("DBus P2P Server listening on address: '%1'") << m_busServer->address();
+                    CLogMessage(this).info(u"DBus P2P Server listening on address: '%1'") << m_busServer->address();
                 }
                 else
                 {
-                    CLogMessage(this).warning("DBus P2P connection failed: %1") << lastQDBusServerError().message();
+                    CLogMessage(this).warning(u"DBus P2P connection failed: %1") << lastQDBusServerError().message();
                 }
                 connect(m_busServer.data(), &QDBusServer::newConnection, this, &CDBusServer::registerObjectsWithP2PConnection);
             }
@@ -192,7 +192,7 @@ namespace BlackMisc
     {
         Q_ASSERT(! m_objects.isEmpty());
         m_connections.insert(connection.name(), connection);
-        CLogMessage(this).info("New Connection from: '%1'") << connection.name();
+        CLogMessage(this).info(u"New Connection from: '%1'") << connection.name();
         bool success = true;
         for (auto i = m_objects.cbegin(); i != m_objects.cend(); ++i)
         {
@@ -200,11 +200,11 @@ namespace BlackMisc
             const bool ok = connection.registerObject(key, i.value(), registerOptions());
             if (ok)
             {
-                CLogMessage(this).info("Adding '%1' to the new connection '%2'") << key << this->getDBusInterfaceFromClassInfo(i.value());
+                CLogMessage(this).info(u"Adding '%1' to the new connection '%2'") << key << this->getDBusInterfaceFromClassInfo(i.value());
             }
             else
             {
-                CLogMessage(this).info("Adding '%1' failed, connection '%2', error '%3'") << key << this->getDBusInterfaceFromClassInfo(i.value()) << connection.lastError().message();
+                CLogMessage(this).info(u"Adding '%1' failed, connection '%2', error '%3'") << key << this->getDBusInterfaceFromClassInfo(i.value()) << connection.lastError().message();
                 success = false;
             }
         }
@@ -223,11 +223,11 @@ namespace BlackMisc
                 QDBusConnection connection = QDBusConnection::connectToBus(QDBusConnection::SessionBus, coreServiceName());
                 if (connection.registerObject(path, object, registerOptions()))
                 {
-                    CLogMessage(this).info("Adding '%1' '%2' to session DBus") << path << getDBusInterfaceFromClassInfo(object);
+                    CLogMessage(this).info(u"Adding '%1' '%2' to session DBus") << path << getDBusInterfaceFromClassInfo(object);
                 }
                 else
                 {
-                    CLogMessage(this).error("Error, no success with session bus registration");
+                    CLogMessage(this).error(u"Error, no success with session bus registration");
                 }
             }
             break;
@@ -236,11 +236,11 @@ namespace BlackMisc
                 QDBusConnection connection = QDBusConnection::connectToBus(QDBusConnection::SystemBus, coreServiceName());
                 if (connection.registerObject(path, object, registerOptions()))
                 {
-                    CLogMessage(this).info("Adding '%1' '%2' to system DBus") << path << getDBusInterfaceFromClassInfo(object);
+                    CLogMessage(this).info(u"Adding '%1' '%2' to system DBus") << path << getDBusInterfaceFromClassInfo(object);
                 }
                 else
                 {
-                    CLogMessage(this).error("Error, no success with system bus registration");
+                    CLogMessage(this).error(u"Error, no success with system bus registration");
                 }
             }
             break;
@@ -250,11 +250,11 @@ namespace BlackMisc
                 {
                     if (connection.registerObject(path, object, registerOptions()))
                     {
-                        CLogMessage(this).info("Adding '%1' '%2' to P2P DBus '%3'") << path << getDBusInterfaceFromClassInfo(object) << connection.name();
+                        CLogMessage(this).info(u"Adding '%1' '%2' to P2P DBus '%3'") << path << getDBusInterfaceFromClassInfo(object) << connection.name();
                     }
                     else
                     {
-                        CLogMessage(this).error("Error, no success with %1 registration") << connection.name();
+                        CLogMessage(this).error(u"Error, no success with %1 registration") << connection.name();
                     }
                 }
             }
diff --git a/src/blackmisc/genericdbusinterface.h b/src/blackmisc/genericdbusinterface.h
index 1cb9af76c..89444137a 100644
--- a/src/blackmisc/genericdbusinterface.h
+++ b/src/blackmisc/genericdbusinterface.h
@@ -64,7 +64,7 @@ namespace BlackMisc
                 const bool c = this->connection().connect(this->service(), this->path(), this->interface(), method.name(), this->parent(), signature);
                 if (!c)
                 {
-                    CLogMessage(this).error("Cannot connect signal: %1") << QString(signature);
+                    CLogMessage(this).error(u"Cannot connect signal: %1") << QString(signature);
                 }
             }
         }
@@ -86,7 +86,7 @@ namespace BlackMisc
             pr.waitForFinished();
             if(pr.isError())
             {
-                CLogMessage(this).debug("CGenericDBusInterface::callDBusRet(%1) returned: %2") << method << pr.error().message();
+                CLogMessage(this).debug(u"CGenericDBusInterface::callDBusRet(%1) returned: %2") << method << pr.error().message();
             }
             return pr;
         }
diff --git a/src/blackmisc/geo/coordinategeodetic.cpp b/src/blackmisc/geo/coordinategeodetic.cpp
index 594726904..72ff1da1a 100644
--- a/src/blackmisc/geo/coordinategeodetic.cpp
+++ b/src/blackmisc/geo/coordinategeodetic.cpp
@@ -57,7 +57,7 @@ namespace BlackMisc
             BLACK_VERIFY_X(!std::isnan(d), Q_FUNC_INFO, "Distance calculation: NaN in result");
             if (std::isnan(d))
             {
-                CLogMessage().debug("Distance calculation: NaN in result (given arguments %1 %2 %3; %4 %5 %6)") << static_cast<double>(v1.x()) << static_cast<double>(v1.y()) << static_cast<double>(v1.z()) << static_cast<double>(v2.x()) << static_cast<double>(v2.y()) << static_cast<double>(v2.z());
+                CLogMessage().debug(u"Distance calculation: NaN in result (given arguments %1 %2 %3; %4 %5 %6)") << static_cast<double>(v1.x()) << static_cast<double>(v1.y()) << static_cast<double>(v1.z()) << static_cast<double>(v2.x()) << static_cast<double>(v2.y()) << static_cast<double>(v2.z());
                 return CLength::null();
             }
             return { static_cast<double>(d), CLengthUnit::m() };
diff --git a/src/blackmisc/pixmap.cpp b/src/blackmisc/pixmap.cpp
index a2e2c3c9d..d20fcea99 100644
--- a/src/blackmisc/pixmap.cpp
+++ b/src/blackmisc/pixmap.cpp
@@ -85,18 +85,18 @@ namespace BlackMisc
         }
         if (!QFile(filePath).exists())
         {
-            msg = CStatusMessage().error("file %1 does not exist") << filePath;
+            msg = CStatusMessage().error(u"file %1 does not exist") << filePath;
             return CPixmap();
         }
         QPixmap pm;
         if (pm.load(filePath))
         {
-            msg = CStatusMessage().info("file %1 loaded") << filePath;
+            msg = CStatusMessage().info(u"file %1 loaded") << filePath;
             return CPixmap(pm);
         }
         else
         {
-            msg = CStatusMessage().error("file %1 not loaded") << filePath;
+            msg = CStatusMessage().error(u"file %1 not loaded") << filePath;
             return CPixmap();
         }
     }
diff --git a/src/blackmisc/processctrl.cpp b/src/blackmisc/processctrl.cpp
index d41c30501..582da4053 100644
--- a/src/blackmisc/processctrl.cpp
+++ b/src/blackmisc/processctrl.cpp
@@ -52,7 +52,7 @@ namespace BlackMisc
 
         if (result == 0)
         {
-            CLogMessage(static_cast<CProcessCtrl*>(nullptr)).warning("Failed to start %1: %2") << program << GetLastError();
+            CLogMessage(static_cast<CProcessCtrl*>(nullptr)).warning(u"Failed to start %1: %2") << program << GetLastError();
             return false;
         }
 
diff --git a/src/blackmisc/settingscache.cpp b/src/blackmisc/settingscache.cpp
index 7f4f10e84..98d52686e 100644
--- a/src/blackmisc/settingscache.cpp
+++ b/src/blackmisc/settingscache.cpp
@@ -41,11 +41,11 @@ namespace BlackMisc
         Q_ASSERT(!lock.isLocked());
         if (!QDir::root().mkpath(persistentStore()))
         {
-            return CStatusMessage(this).error("Failed to create %1") << persistentStore();
+            return CStatusMessage(this).error(u"Failed to create %1") << persistentStore();
         }
         if (!lock.lock())
         {
-            return CStatusMessage(this).error("Failed to lock %1: %2") << lockFileName() << CFileUtils::lockFileError(lock);
+            return CStatusMessage(this).error(u"Failed to lock %1: %2") << lockFileName() << CFileUtils::lockFileError(lock);
         }
         return {};
     }
diff --git a/src/blackmisc/simulation/aircraftmodel.cpp b/src/blackmisc/simulation/aircraftmodel.cpp
index 0b83e7151..1f3d9071d 100644
--- a/src/blackmisc/simulation/aircraftmodel.cpp
+++ b/src/blackmisc/simulation/aircraftmodel.cpp
@@ -162,18 +162,18 @@ namespace BlackMisc
             {
                 if (!this->hasExistingCorrespondingFile())
                 {
-                    const CStatusMessage m = CStatusMessage(this).validationWarning("File '%1' not readable") << this->getFileName();
+                    const CStatusMessage m = CStatusMessage(this).validationWarning(u"File '%1' not readable") << this->getFileName();
                     msgs.push_back(m);
                 }
                 else
                 {
-                    const CStatusMessage m = CStatusMessage(this).validationInfo("File '%1' existing") << this->getFileName();
+                    const CStatusMessage m = CStatusMessage(this).validationInfo(u"File '%1' existing") << this->getFileName();
                     msgs.push_back(m);
                 }
             }
             else
             {
-                const CStatusMessage m = CStatusMessage(this).validationError("Invalid model type to check: '%1'") << this->getModelTypeAsString();
+                const CStatusMessage m = CStatusMessage(this).validationError(u"Invalid model type to check: '%1'") << this->getModelTypeAsString();
                 msgs.push_back(m);
             }
             return msgs;
diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index 9cc3746b3..82ae77ca6 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -1066,7 +1066,7 @@ namespace BlackMisc
             // Any DB distributors?
             if (distributorsFromDb.isEmpty())
             {
-                const CStatusMessage msg = CStatusMessage(this).validationError("No DB distributors for validation");
+                const CStatusMessage msg = CStatusMessage(this).validationError(u"No DB distributors for validation");
                 msgs.push_back(msg);
                 invalidModels.push_back(*this);
                 return msgs;
@@ -1080,7 +1080,7 @@ namespace BlackMisc
                 }
                 else
                 {
-                    const CStatusMessage msg = CStatusMessage(this).validationError("No valid distributor for '%1', was '%2'") << model.getModelString() << model.getDistributor().getDbKey();
+                    const CStatusMessage msg = CStatusMessage(this).validationError(u"No valid distributor for '%1', was '%2'") << model.getModelString() << model.getDistributor().getDbKey();
                     msgs.push_back(msg);
                     invalidModels.push_back(model);
                 }
diff --git a/src/blackmisc/simulation/aircraftmodelloader.cpp b/src/blackmisc/simulation/aircraftmodelloader.cpp
index 04e6a804f..6ed7e757e 100644
--- a/src/blackmisc/simulation/aircraftmodelloader.cpp
+++ b/src/blackmisc/simulation/aircraftmodelloader.cpp
@@ -214,11 +214,11 @@ namespace BlackMisc
             if (statusMsgs.hasWarningOrErrorMessages())
             {
                 CLogMessage(this).log(m_loadingMessages.worstSeverity(),
-                                      "Message loading produced %1 error and %2 warning messages") << errors << warnings;
+                                      u"Message loading produced %1 error and %2 warning messages") << errors << warnings;
             }
             else
             {
-                CLogMessage(this).info("Loading '%1' finished, success for '%2'") << IAircraftModelLoader::enumToString(info) << simulator.toQString();
+                CLogMessage(this).info(u"Loading '%1' finished, success for '%2'") << IAircraftModelLoader::enumToString(info) << simulator.toQString();
             }
         }
 
diff --git a/src/blackmisc/simulation/data/modelcaches.cpp b/src/blackmisc/simulation/data/modelcaches.cpp
index 3bca82d32..860daa72e 100644
--- a/src/blackmisc/simulation/data/modelcaches.cpp
+++ b/src/blackmisc/simulation/data/modelcaches.cpp
@@ -182,12 +182,12 @@ namespace BlackMisc
                 if (synchronizeCache)
                 {
                     this->synchronizeCacheImpl(sim);
-                    CLogMessage(this).info("Initialized model caches (%1) for %2") << this->getDescription() << simStr;
+                    CLogMessage(this).info(u"Initialized model caches (%1) for %2") << this->getDescription() << simStr;
                 }
                 else
                 {
                     this->admitCacheImpl(sim);
-                    CLogMessage(this).info("Admit model (%1) caches for %2") << this->getDescription() << simStr;
+                    CLogMessage(this).info(u"Admit model (%1) caches for %2") << this->getDescription() << simStr;
                 }
             }
 
@@ -293,7 +293,7 @@ namespace BlackMisc
             CStatusMessage CModelCaches::setCacheTimestamp(const QDateTime &ts, const CSimulatorInfo &simulator)
             {
                 Q_ASSERT_X(simulator.isSingleSimulator(), Q_FUNC_INFO, "No single simulator");
-                if (!ts.isValid()) { return CStatusMessage(this).error("Invalid timestamp for '%1'") << simulator.toQString() ; }
+                if (!ts.isValid()) { return CStatusMessage(this).error(u"Invalid timestamp for '%1'") << simulator.toQString() ; }
                 switch (simulator.getSimulator())
                 {
                 case CSimulatorInfo::FS9:    return m_modelCacheFs9.set(m_modelCacheFs9.get(), ts.toMSecsSinceEpoch());
@@ -398,12 +398,12 @@ namespace BlackMisc
                 if (synchronizeCache)
                 {
                     this->synchronizeCacheImpl(simulator);
-                    CLogMessage(this).info("Initialized model caches (%1) for %2") << this->getDescription() << simStr;
+                    CLogMessage(this).info(u"Initialized model caches (%1) for %2") << this->getDescription() << simStr;
                 }
                 else
                 {
                     this->admitCacheImpl(simulator);
-                    CLogMessage(this).info("Admit model (%1) caches for %2") << this->getDescription() << simStr;
+                    CLogMessage(this).info(u"Admit model (%1) caches for %2") << this->getDescription() << simStr;
                 }
             }
 
@@ -478,7 +478,7 @@ namespace BlackMisc
             CStatusMessage CModelSetCaches::setCacheTimestamp(const QDateTime &ts, const CSimulatorInfo &simulator)
             {
                 Q_ASSERT_X(simulator.isSingleSimulator(), Q_FUNC_INFO, "No single simulator");
-                if (!ts.isValid()) { return CStatusMessage(this).error("Invalid timestamp for '%1'") << simulator.toQString() ; }
+                if (!ts.isValid()) { return CStatusMessage(this).error(u"Invalid timestamp for '%1'") << simulator.toQString() ; }
                 switch (simulator.getSimulator())
                 {
                 case CSimulatorInfo::FS9:    return m_modelCacheFs9.set(m_modelCacheFs9.get(), ts.toMSecsSinceEpoch());
diff --git a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
index fee70aba3..5696e8f41 100644
--- a/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
+++ b/src/blackmisc/simulation/fscommon/aircraftcfgentrieslist.cpp
@@ -85,7 +85,7 @@ namespace BlackMisc
                         if (keys.contains(key))
                         {
                             CStatusMessage msg(this);
-                            msg.warning("Duplicate model string %1 in %2 %3")
+                            msg.warning(u"Duplicate model string %1 in %2 %3")
                                     << entries.getTitle() << entries.getFileDirectory() << entries.getFileName();
                             msgs.push_back(msg);
                             continue;
diff --git a/src/blackmisc/simulation/fscommon/aircraftcfgparser.cpp b/src/blackmisc/simulation/fscommon/aircraftcfgparser.cpp
index fc3ff8a47..6653f6a64 100644
--- a/src/blackmisc/simulation/fscommon/aircraftcfgparser.cpp
+++ b/src/blackmisc/simulation/fscommon/aircraftcfgparser.cpp
@@ -184,7 +184,7 @@ namespace BlackMisc
                         }
                         else
                         {
-                            const CStatusMessage m = CStatusMessage(this).warning("Parsing failed for '%1'") << nextDir;
+                            const CStatusMessage m = CStatusMessage(this).warning(u"Parsing failed for '%1'") << nextDir;
                             messages.push_back(m);
                         }
                     }
@@ -200,7 +200,7 @@ namespace BlackMisc
                         CAircraftCfgEntriesList fileResults = CAircraftCfgParser::performParsingOfSingleFile(fileName, fileOk, fileMsgs);
                         if (!fileOk)
                         {
-                            const CStatusMessage m = CStatusMessage(this).warning("Parsing of '%1' failed") << fileName;
+                            const CStatusMessage m = CStatusMessage(this).warning(u"Parsing of '%1' failed") << fileName;
                             messages.push_back(fileMsgs);
                             continue;
                         }
@@ -226,7 +226,7 @@ namespace BlackMisc
                 QFile file(fnFixed); // includes path
                 if (!file.open(QFile::ReadOnly | QFile::Text))
                 {
-                    const CStatusMessage m = CStatusMessage(getLogCategories()).warning("Unable to read file '%1'") << fnFixed;
+                    const CStatusMessage m = CStatusMessage(getLogCategories()).warning(u"Unable to read file '%1'") << fnFixed;
                     msgs.push_back(m);
                     return CAircraftCfgEntriesList();
                 }
@@ -366,7 +366,7 @@ namespace BlackMisc
                 {
                     if (e.getTitle().isEmpty())
                     {
-                        const CStatusMessage m = CStatusMessage(getLogCategories()).info("FS model in %1, index %2 has no title") << fileName << e.getIndex();
+                        const CStatusMessage m = CStatusMessage(getLogCategories()).info(u"FS model in %1, index %2 has no title") << fileName << e.getIndex();
                         msgs.push_back(m);
                         continue;
                     }
diff --git a/src/blackmisc/simulation/interpolationlogger.cpp b/src/blackmisc/simulation/interpolationlogger.cpp
index 15fb6ebd7..98fede839 100644
--- a/src/blackmisc/simulation/interpolationlogger.cpp
+++ b/src/blackmisc/simulation/interpolationlogger.cpp
@@ -93,7 +93,7 @@ namespace BlackMisc
 
         CStatusMessageList CInterpolationLogger::writeLogFile(const QList<SituationLog> &interpolation, const QList<PartsLog> &parts)
         {
-            if (parts.isEmpty() && interpolation.isEmpty()) { return CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).warning("No data for log"); }
+            if (parts.isEmpty() && interpolation.isEmpty()) { return CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).warning(u"No data for log"); }
             static const QString html = QStringLiteral("Entries: %1\n\n%2");
             const QString htmlTemplate = CFileUtils::readFileToString(CDirectoryUtils::htmlTemplateFilePath());
 
@@ -124,8 +124,8 @@ namespace BlackMisc
         CStatusMessage CInterpolationLogger::logStatusFileWriting(bool success, const QString &fileName)
         {
             return success ?
-                   CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).info("Written log file '%1'") << fileName :
-                   CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).error("Failed to write log file '%1'") << fileName;
+                   CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).info(u"Written log file '%1'") << fileName :
+                   CStatusMessage(static_cast<CInterpolationLogger *>(nullptr)).error(u"Failed to write log file '%1'") << fileName;
         }
 
         void CInterpolationLogger::logInterpolation(const SituationLog &log)
diff --git a/src/blackmisc/simulation/interpolator.cpp b/src/blackmisc/simulation/interpolator.cpp
index 5ab3a8480..7bd6d56cf 100644
--- a/src/blackmisc/simulation/interpolator.cpp
+++ b/src/blackmisc/simulation/interpolator.cpp
@@ -265,13 +265,13 @@ namespace BlackMisc
                     CStatusMessage m;
                     if (noSituation)
                     {
-                        m = CStatusMessage(this).warning("No situation #%1 for interpolation reported for '%2' (Interpolant: %3 interpolation: %4)") <<
+                        m = CStatusMessage(this).warning(u"No situation #%1 for interpolation reported for '%2' (Interpolant: %3 interpolation: %4)") <<
                             m_invalidSituations << m_callsign.asString() << boolToTrueFalse(isValidInterpolant) << boolToTrueFalse(isValidInterpolation);
                     }
                     else
                     {
                         const qint64 diff = noSituation ? -1 : m_currentTimeMsSinceEpoch - currentSituation.getAdjustedMSecsSinceEpoch();
-                        m = CStatusMessage(this).warning("Invalid situation, diff. %1ms #%2 for interpolation reported for '%3' (Interpolant: %4 interpolation: %5)") <<
+                        m = CStatusMessage(this).warning(u"Invalid situation, diff. %1ms #%2 for interpolation reported for '%3' (Interpolant: %4 interpolation: %5)") <<
                             diff << m_invalidSituations << m_callsign.asString() << boolToTrueFalse(isValidInterpolant) << boolToTrueFalse(isValidInterpolation);
                     }
                     if (!m.isEmpty())
@@ -417,7 +417,7 @@ namespace BlackMisc
 
             if (log)
             {
-                const CStatusMessage m = CStatusMessage(this).warning("NULL parts reported for '%1', '%2')") << m_callsign.asString() << info;
+                const CStatusMessage m = CStatusMessage(this).warning(u"NULL parts reported for '%1', '%2')") << m_callsign.asString() << info;
                 if (m_interpolationMessages.isEmpty()) { CLogMessage::preformatted(m); }
                 m_interpolationMessages.push_back(m);
             }
diff --git a/src/blackmisc/simulation/xplane/aircraftmodelloaderxplane.cpp b/src/blackmisc/simulation/xplane/aircraftmodelloaderxplane.cpp
index 3cf82629c..1c39ec93b 100644
--- a/src/blackmisc/simulation/xplane/aircraftmodelloaderxplane.cpp
+++ b/src/blackmisc/simulation/xplane/aircraftmodelloaderxplane.cpp
@@ -175,7 +175,7 @@ namespace BlackMisc
             {
                 if (models.containsModelString(model.getModelString()))
                 {
-                    CLogMessage(static_cast<CAircraftModelLoaderXPlane *>(nullptr)).warning("XPlane model '%1' exists already! Potential model string conflict! Ignoring it.") << model.getModelString();
+                    CLogMessage(static_cast<CAircraftModelLoaderXPlane *>(nullptr)).warning(u"XPlane model '%1' exists already! Potential model string conflict! Ignoring it.") << model.getModelString();
                 }
                 models.push_back(model);
             }
@@ -270,7 +270,7 @@ namespace BlackMisc
                     {
                         if (installedModels.containsModelString(plane.getModelName()))
                         {
-                            const CStatusMessage msg = CStatusMessage(this).warning("XPlane model '%1' exists already! Potential model string conflict! Ignoring it.") << plane.getModelName();
+                            const CStatusMessage msg = CStatusMessage(this).warning(u"XPlane model '%1' exists already! Potential model string conflict! Ignoring it.") << plane.getModelName();
                             m_loadingMessages.push_back(msg);
                             continue;
                         }
@@ -316,7 +316,7 @@ namespace BlackMisc
             {
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': EXPORT_NAME command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': EXPORT_NAME command requires 1 argument.") << path << lineNum;
                     return false;
                 }
 
@@ -329,7 +329,7 @@ namespace BlackMisc
                 }
                 else
                 {
-                    CLogMessage(this).error("XPlane package name '%1' already in use by '%2' reqested by use by '%3'") << tokens[1] << p->path << path;
+                    CLogMessage(this).error(u"XPlane package name '%1' already in use by '%2' reqested by use by '%3'") << tokens[1] << p->path << path;
                     return false;
                 }
             }
@@ -339,13 +339,13 @@ namespace BlackMisc
                 Q_UNUSED(package);
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("'%1' - '%2': DEPENDENCY command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"'%1' - '%2': DEPENDENCY command requires 1 argument.") << path << lineNum;
                     return false;
                 }
 
                 if (std::count_if(m_cslPackages.cbegin(), m_cslPackages.cend(), [&tokens](const CSLPackage & p) { return p.name == tokens[1]; }) == 0)
                 {
-                    CLogMessage(this).error("XPlane required package %1 not found. Aborting processing of this package.") << tokens[1];
+                    CLogMessage(this).error(u"XPlane required package %1 not found. Aborting processing of this package.") << tokens[1];
                     return false;
                 }
 
@@ -369,7 +369,7 @@ namespace BlackMisc
             {
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': OBJECT command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': OBJECT command requires 1 argument.") << path << lineNum;
                     return false;
                 }
 
@@ -378,7 +378,7 @@ namespace BlackMisc
                 QString fullPath(relativePath);
                 if (!doPackageSub(fullPath))
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2: package not found.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2: package not found.") << path << lineNum;
                     return false;
                 }
 
@@ -386,7 +386,7 @@ namespace BlackMisc
                 QFile objFile(fullPath);
                 if (!objFile.open(QIODevice::ReadOnly | QIODevice::Text))
                 {
-                    CLogMessage(this).error("XPlane object '%1' does not exist.") << fullPath;
+                    CLogMessage(this).error(u"XPlane object '%1' does not exist.") << fullPath;
                     return false;
                 }
                 QTextStream ts(&objFile);
@@ -432,7 +432,7 @@ namespace BlackMisc
             {
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': TEXTURE command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': TEXTURE command requires 1 argument.") << path << lineNum;
                     return false;
                 }
 
@@ -443,14 +443,14 @@ namespace BlackMisc
 
                 if (!doPackageSub(absoluteTexPath))
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': package not found.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': package not found.") << path << lineNum;
                     return false;
                 }
 
                 QFileInfo fileInfo(absoluteTexPath);
                 if (!fileInfo.exists())
                 {
-                    CLogMessage(this).error("XPlane texture '%1' does not exist.") << absoluteTexPath;
+                    CLogMessage(this).error(u"XPlane texture '%1' does not exist.") << absoluteTexPath;
                     return false;
                 }
 
@@ -464,12 +464,12 @@ namespace BlackMisc
                 // AIRCAFT <min> <max> <path>
                 if (tokens.size() != 4)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': AIRCRAFT command requires 3 arguments.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': AIRCRAFT command requires 3 arguments.") << path << lineNum;
                 }
 
                 // Flyable aircrafts are parsed by a different method. We don't know any aircraft files in CSL packages.
                 // If there is one, implement this method here.
-                CLogMessage(this).warning("Not implemented yet.");
+                CLogMessage(this).warning(u"Not implemented yet.");
                 return true;
             }
 
@@ -478,7 +478,7 @@ namespace BlackMisc
                 // OBJ8_AIRCRAFT <path>
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': OBJ8_AIRCARFT command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': OBJ8_AIRCARFT command requires 1 argument.") << path << lineNum;
                 }
 
                 package.planes.push_back(CSLPlane());
@@ -490,7 +490,7 @@ namespace BlackMisc
                 // OBJ8 <group> <animate YES|NO> <filename> {<texture filename> {<lit texture filename>}}
                 if (tokens.size() < 4 || tokens.size() > 6)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': OBJ8 command takes 3-5 arguments.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': OBJ8 command takes 3-5 arguments.") << path << lineNum;
                 }
 
                 if (tokens[1] != "SOLID") { return true; }
@@ -500,7 +500,7 @@ namespace BlackMisc
                 QString fullPath(relativePath);
                 if (!doPackageSub(fullPath))
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': package not found.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': package not found.") << path << lineNum;
                     return false;
                 }
 
@@ -529,14 +529,14 @@ namespace BlackMisc
 
                     if (!doPackageSub(absoluteTexPath))
                     {
-                        CLogMessage(this).error("XPlane '%1' - '%2': package not found.") << path << lineNum;
+                        CLogMessage(this).error(u"XPlane '%1' - '%2': package not found.") << path << lineNum;
                         return false;
                     }
 
                     QFileInfo fileInfo(absoluteTexPath);
                     if (!fileInfo.exists())
                     {
-                        CLogMessage(this).error("XPlane texture '%1' does not exist.") << absoluteTexPath;
+                        CLogMessage(this).error(u"XPlane texture '%1' does not exist.") << absoluteTexPath;
                         return false;
                     }
 
@@ -559,7 +559,7 @@ namespace BlackMisc
                 // ICAO <code>
                 if (tokens.size() != 2)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': ICAO command requires 1 argument.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': ICAO command requires 1 argument.") << path << lineNum;
                     return false;
                 }
 
@@ -573,7 +573,7 @@ namespace BlackMisc
                 // AIRLINE <code> <airline>
                 if (tokens.size() != 3)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': AIRLINE command requires 2 arguments.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': AIRLINE command requires 2 arguments.") << path << lineNum;
                     return false;
                 }
 
@@ -589,7 +589,7 @@ namespace BlackMisc
                 // LIVERY <code> <airline> <livery>
                 if (tokens.size() != 4)
                 {
-                    CLogMessage(this).error("XPlane '%1' - '%2': LIVERY command requires 3 arguments.") << path << lineNum;
+                    CLogMessage(this).error(u"XPlane '%1' - '%2': LIVERY command requires 3 arguments.") << path << lineNum;
                     return false;
                 }
 
@@ -681,14 +681,14 @@ namespace BlackMisc
                             bool result = it.value()(tokens, package, package.path, lineNum);
                             if (!result)
                             {
-                                const CStatusMessage m = CStatusMessage(this).warning("XPlane ignoring CSL package '%1'") << package.name;
+                                const CStatusMessage m = CStatusMessage(this).warning(u"XPlane ignoring CSL package '%1'") << package.name;
                                 m_loadingMessages.push_back(m);
                                 break;
                             }
                         }
                         else
                         {
-                            const CStatusMessage m = CStatusMessage(this).warning("XPlane unrecognized command '%1' in '%2'") << tokens[0] << package.name;
+                            const CStatusMessage m = CStatusMessage(this).warning(u"XPlane unrecognized command '%1' in '%2'") << tokens[0] << package.name;
                             m_loadingMessages.push_back(m);
                             break;
                         }
diff --git a/src/blackmisc/valuecache.cpp b/src/blackmisc/valuecache.cpp
index d029f8628..c32cf33ef 100644
--- a/src/blackmisc/valuecache.cpp
+++ b/src/blackmisc/valuecache.cpp
@@ -373,33 +373,33 @@ namespace BlackMisc
         }
         if (! QDir::root().mkpath(dir))
         {
-            return CStatusMessage(this).error("Failed to create directory '%1'") << dir;
+            return CStatusMessage(this).error(u"Failed to create directory '%1'") << dir;
         }
         for (auto it = namespaces.cbegin(); it != namespaces.cend(); ++it)
         {
             CAtomicFile file(dir + "/" + it.key() + ".json");
             if (! QDir::root().mkpath(QFileInfo(file).path()))
             {
-                return CStatusMessage(this).error("Failed to create directory '%1'") << QFileInfo(file).path();
+                return CStatusMessage(this).error(u"Failed to create directory '%1'") << QFileInfo(file).path();
             }
             if (! file.open(QFile::ReadWrite | QFile::Text))
             {
-                return CStatusMessage(this).error("Failed to open %1: %2") << file.fileName() << file.errorString();
+                return CStatusMessage(this).error(u"Failed to open %1: %2") << file.fileName() << file.errorString();
             }
             auto json = QJsonDocument::fromJson(file.readAll());
             if (json.isArray() || (json.isNull() && ! json.isEmpty()))
             {
-                return CStatusMessage(this).error("Invalid JSON format in %1") << file.fileName();
+                return CStatusMessage(this).error(u"Invalid JSON format in %1") << file.fileName();
             }
             auto object = json.object();
             json.setObject(it->mergeToMemoizedJson(object));
 
             if (!(file.seek(0) && file.resize(0) && file.write(json.toJson()) > 0 && file.checkedClose()))
             {
-                return CStatusMessage(this).error("Failed to write to %1: %2") << file.fileName() << file.errorString();
+                return CStatusMessage(this).error(u"Failed to write to %1: %2") << file.fileName() << file.errorString();
             }
         }
-        return CStatusMessage(this).info("Written '%1' to value cache in '%2'") <<
+        return CStatusMessage(this).info(u"Written '%1' to value cache in '%2'") <<
             (keysMessage.isEmpty() ? values.keys().to<QStringList>().join(",") : keysMessage) << dir;
     }
 
@@ -417,11 +417,11 @@ namespace BlackMisc
     {
         if (! QDir(dir).exists())
         {
-            return CStatusMessage(this).warning("No such directory '%1'") << dir;
+            return CStatusMessage(this).warning(u"No such directory '%1'") << dir;
         }
         if (! QDir(dir).isReadable())
         {
-            return CStatusMessage(this).error("Failed to read from directory '%1'") << dir;
+            return CStatusMessage(this).error(u"Failed to read from directory '%1'") << dir;
         }
 
         QMap<QString, QStringList> keysInFiles;
@@ -447,12 +447,12 @@ namespace BlackMisc
             }
             if (! file.open(QFile::ReadOnly | QFile::Text))
             {
-                return CStatusMessage(this).error("Failed to open %1: %2") << file.fileName() << file.errorString();
+                return CStatusMessage(this).error(u"Failed to open %1: %2") << file.fileName() << file.errorString();
             }
             auto json = QJsonDocument::fromJson(file.readAll());
             if (json.isArray() || (json.isNull() && ! json.isEmpty()))
             {
-                return CStatusMessage(this).error("Invalid JSON format in %1") << file.fileName();
+                return CStatusMessage(this).error(u"Invalid JSON format in %1") << file.fileName();
             }
 
             CVariantMap temp;
@@ -475,7 +475,7 @@ namespace BlackMisc
             temp.removeDuplicates(currentValues);
             o_values.insert(temp, QFileInfo(file).lastModified().toMSecsSinceEpoch());
         }
-        return CStatusMessage(this).info("Loaded cache values '%1' from '%2' '%3'") <<
+        return CStatusMessage(this).info(u"Loaded cache values '%1' from '%2' '%3'") <<
             (keysMessage.isEmpty() ? o_values.keys().to<QStringList>().join(",") : keysMessage) << dir << (ok ? "successfully" : "with errors");
     }
 
@@ -488,15 +488,15 @@ namespace BlackMisc
         if (QFile::exists(absolute)) { return; }
         if (! dir.mkpath(QFileInfo(relative).path()))
         {
-            CLogMessage(this).error("Failed to create %1") << QFileInfo(absolute).path();
+            CLogMessage(this).error(u"Failed to create %1") << QFileInfo(absolute).path();
             return;
         }
         if (! file.copy(absolute))
         {
-            CLogMessage(this).error("Failed to back up %1: %2") << QFileInfo(file).fileName() << file.errorString();
+            CLogMessage(this).error(u"Failed to back up %1: %2") << QFileInfo(file).fileName() << file.errorString();
             return;
         }
-        CLogMessage(this).info("Backed up %1 to %2") << QFileInfo(file).fileName() << dir.absoluteFilePath("backups");
+        CLogMessage(this).info(u"Backed up %1 to %2") << QFileInfo(file).fileName() << dir.absoluteFilePath("backups");
     }
 
     void CValueCache::markAllAsSaved(const QString &keyPrefix)
@@ -732,7 +732,7 @@ namespace BlackMisc
                 emit valuesWantToCache({ { { element.m_key, value } }, timestamp, save });
             }
             // All good info
-            status = CStatusMessage(this).info("Set value '%1'") << element.m_nameWithKey;
+            status = CStatusMessage(this).info(u"Set value '%1'") << element.m_nameWithKey;
         }
         return status;
     }
@@ -842,11 +842,11 @@ namespace BlackMisc
         }
         else if (value.userType() != element.m_metaType)
         {
-            return CStatusMessage(this).error("Expected %1 but got %2 for %3") << QMetaType::typeName(element.m_metaType) << value.typeName() << element.m_nameWithKey;
+            return CStatusMessage(this).error(u"Expected %1 but got %2 for %3") << QMetaType::typeName(element.m_metaType) << value.typeName() << element.m_nameWithKey;
         }
         else if (element.m_validator && ! element.m_validator(value))
         {
-            return CStatusMessage(this).error("%1 is not valid for %2") << value.toQString() << element.m_nameWithKey;
+            return CStatusMessage(this).error(u"%1 is not valid for %2") << value.toQString() << element.m_nameWithKey;
         }
         else
         {
diff --git a/src/blackmisc/variant.cpp b/src/blackmisc/variant.cpp
index c9d1b1ec4..844157f90 100644
--- a/src/blackmisc/variant.cpp
+++ b/src/blackmisc/variant.cpp
@@ -97,7 +97,7 @@ namespace BlackMisc
                 }
                 else
                 {
-                    CLogMessage(&a).warning("Comparing two CVariants containing unrelated value objects: %1 (%2) and %3 (%4)")
+                    CLogMessage(&a).warning(u"Comparing two CVariants containing unrelated value objects: %1 (%2) and %3 (%4)")
                             << a.typeName() << a.userType() << b.typeName() << b.userType();
                     return 0;
                 }
@@ -148,7 +148,7 @@ namespace BlackMisc
                 }
                 else
                 {
-                    CLogMessage(this).warning("Unsupported CVariant type for toJson: %1 (%2)") << typeName() << userType();
+                    CLogMessage(this).warning(u"Unsupported CVariant type for toJson: %1 (%2)") << typeName() << userType();
                 }
             }
             catch (const Private::CVariantException &ex)
@@ -335,7 +335,7 @@ namespace BlackMisc
                 }
                 else
                 {
-                    CLogMessage(this).warning("Unsupported CVariant type for getValueHash: %1 (%2)") << typeName() << userType();
+                    CLogMessage(this).warning(u"Unsupported CVariant type for getValueHash: %1 (%2)") << typeName() << userType();
                     return 0;
                 }
             }
@@ -475,7 +475,7 @@ namespace BlackMisc
     {
         if (localUserType == static_cast<int>(QVariant::Invalid))
         {
-            CLogMessage(&variant).warning("Invalid type for unmarshall: %1") << typeName;
+            CLogMessage(&variant).warning(u"Invalid type for unmarshall: %1") << typeName;
         }
 
         // my business?
diff --git a/src/blackmisc/verify.cpp b/src/blackmisc/verify.cpp
index f4ae9c08b..c0d245288 100644
--- a/src/blackmisc/verify.cpp
+++ b/src/blackmisc/verify.cpp
@@ -66,11 +66,11 @@ namespace BlackMisc
 #   endif
             if (context && message)
             {
-                CLogMessage(CLogCategory::verification()).warning("Failed to verify: %1 (%2 in %3) in %4 line %5") << condition << message << context << filename << line;
+                CLogMessage(CLogCategory::verification()).warning(u"Failed to verify: %1 (%2 in %3) in %4 line %5") << condition << message << context << filename << line;
             }
             else
             {
-                CLogMessage(CLogCategory::verification()).warning("Failed to verify: %1 in %2 line %3") << condition << filename << line;
+                CLogMessage(CLogCategory::verification()).warning(u"Failed to verify: %1 in %2 line %3") << condition << filename << line;
             }
 #endif
         }
diff --git a/src/plugins/simulator/emulated/simulatoremulated.cpp b/src/plugins/simulator/emulated/simulatoremulated.cpp
index 5000474a9..fa472bfb0 100644
--- a/src/plugins/simulator/emulated/simulatoremulated.cpp
+++ b/src/plugins/simulator/emulated/simulatoremulated.cpp
@@ -368,7 +368,7 @@ namespace BlackSimPlugin
             }
             else
             {
-                CLogMessage(this).validationError("No valid plugin for '%1'") << simulator.toQString();
+                CLogMessage(this).validationError(u"No valid plugin for '%1'") << simulator.toQString();
             }
 
             // update provider, own name, title
diff --git a/src/plugins/simulator/emulated/simulatoremulatedmonitordialog.cpp b/src/plugins/simulator/emulated/simulatoremulatedmonitordialog.cpp
index ecc730ed3..b131eacfe 100644
--- a/src/plugins/simulator/emulated/simulatoremulatedmonitordialog.cpp
+++ b/src/plugins/simulator/emulated/simulatoremulatedmonitordialog.cpp
@@ -249,7 +249,7 @@ namespace BlackSimPlugin
                 }
                 else
                 {
-                    CLogMessage(this).warning("Need a (valid) callsign to write a log");
+                    CLogMessage(this).warning(u"Need a (valid) callsign to write a log");
                     ok = true; // already a warning
                 }
             }
@@ -267,7 +267,7 @@ namespace BlackSimPlugin
             {
                 Q_ASSERT_X(false, Q_FUNC_INFO, "Unhandled button");
             }
-            if (!ok) { CLogMessage(this).warning("Cannot parse command for button: %1") << sender->objectName(); }
+            if (!ok) { CLogMessage(this).warning(u"Cannot parse command for button: %1") << sender->objectName(); }
         }
 
         void CSimulatorEmulatedMonitorDialog::enableInterpolationLogButtons(bool enable)
diff --git a/src/plugins/simulator/fs9/directplaypeer.cpp b/src/plugins/simulator/fs9/directplaypeer.cpp
index b99dff36c..05e4d1d44 100644
--- a/src/plugins/simulator/fs9/directplaypeer.cpp
+++ b/src/plugins/simulator/fs9/directplaypeer.cpp
@@ -132,7 +132,7 @@ namespace BlackSimPlugin
                         // Copy the Host Address
                         if (FAILED(hr = enumHostsResponseMsg->pAddressSender->Duplicate(hostNode.getHostAddressPtr())))
                         {
-                            CLogMessage(this).warning("Failed to duplicate host address!");
+                            CLogMessage(this).warning(u"Failed to duplicate host address!");
                             return hr;
                         }
 
@@ -176,14 +176,14 @@ namespace BlackSimPlugin
                                              IID_IDirectPlay8Peer,
                                              reinterpret_cast<void **>(&m_directPlayPeer))))
             {
-                CLogMessage(this).warning("Failed to create DirectPlay8Peer object!");
+                CLogMessage(this).warning(u"Failed to create DirectPlay8Peer object!");
                 return hr;
             }
 
             // Init DirectPlay
             if (FAILED(hr = m_directPlayPeer->Initialize(&m_callbackWrapper, m_callbackWrapper.messageHandler, 0)))
             {
-                CLogMessage(this).warning("Failed to initialize directplay peer!");
+                CLogMessage(this).warning(u"Failed to initialize directplay peer!");
                 return hr;
             }
 
@@ -191,7 +191,7 @@ namespace BlackSimPlugin
             if (!isServiceProviderValid(&CLSID_DP8SP_TCPIP))
             {
                 hr = E_FAIL;
-                CLogMessage(this).warning("Service provider is invalid!");
+                CLogMessage(this).warning(u"Service provider is invalid!");
                 return hr;
             }
 
@@ -208,7 +208,7 @@ namespace BlackSimPlugin
 
             if (hr != DPNERR_BUFFERTOOSMALL)
             {
-                CLogMessage(this).warning("Failed to enumerate service providers!");
+                CLogMessage(this).warning(u"Failed to enumerate service providers!");
                 return false;
             }
 
@@ -219,7 +219,7 @@ namespace BlackSimPlugin
 
             if (FAILED(hr = m_directPlayPeer->EnumServiceProviders(&CLSID_DP8SP_TCPIP, nullptr, dpnSPInfo, &dwSize, &dwItems, 0)))
             {
-                CLogMessage(this).warning("Failed to enumerate service providers!");
+                CLogMessage(this).warning(u"Failed to enumerate service providers!");
                 return false;
             }
 
@@ -240,14 +240,14 @@ namespace BlackSimPlugin
                                              IID_IDirectPlay8Address,
                                              reinterpret_cast<void **>(&m_deviceAddress))))
             {
-                CLogMessage(this).warning("Failed to create DirectPlay8Address instance!");
+                CLogMessage(this).warning(u"Failed to create DirectPlay8Address instance!");
                 return hr;
             }
 
             // Set the SP for our Device Address
             if (FAILED(hr = m_deviceAddress->SetSP(&CLSID_DP8SP_TCPIP)))
             {
-                CLogMessage(this).warning("Failed to set SP!");
+                CLogMessage(this).warning(u"Failed to set SP!");
                 return hr;
             }
 
@@ -292,7 +292,7 @@ namespace BlackSimPlugin
                             DPNSEND_SYNC | DPNSEND_NOLOOPBACK)))
             {
                 const QString m(message);
-                CLogMessage(this).warning("DirectPlay: Failed to send message!");
+                CLogMessage(this).warning(u"DirectPlay: Failed to send message!");
                 CLogMessage(this).debug() << m;
             }
             return hr;
diff --git a/src/plugins/simulator/fs9/fs9host.cpp b/src/plugins/simulator/fs9/fs9host.cpp
index 3e8cdc754..4ed3640d2 100644
--- a/src/plugins/simulator/fs9/fs9host.cpp
+++ b/src/plugins/simulator/fs9/fs9host.cpp
@@ -141,7 +141,7 @@ namespace BlackSimPlugin
             }
             else
             {
-                CLogMessage(this).info("Hosting successfully started");
+                CLogMessage(this).info(u"Hosting successfully started");
                 m_hostStatus = Hosting;
             }
 
@@ -171,7 +171,7 @@ namespace BlackSimPlugin
 
             if (m_hostStatus == Terminated) return hr;
 
-            CLogMessage(this).info("Hosting terminated!");
+            CLogMessage(this).info(u"Hosting terminated!");
             if (FAILED(hr = m_directPlayPeer->TerminateSession(nullptr, 0, 0)))
             {
                 return logDirectPlayError(hr);
diff --git a/src/plugins/simulator/fs9/simulatorfs9.cpp b/src/plugins/simulator/fs9/simulatorfs9.cpp
index 1db3eee77..2f33746c6 100644
--- a/src/plugins/simulator/fs9/simulatorfs9.cpp
+++ b/src/plugins/simulator/fs9/simulatorfs9.cpp
@@ -87,7 +87,7 @@ namespace BlackSimPlugin
             FS_PBH pbhstrct;
             pbhstrct.pbh = positionVelocity.pbh;
             int pitch = qRound(std::floor(pbhstrct.pitch / CFs9Sdk::pitchMultiplier()));
-            if (pitch < -90 || pitch > 89) { CLogMessage().warning("FS9: Pitch value out of limits: %1") << pitch; }
+            if (pitch < -90 || pitch > 89) { CLogMessage().warning(u"FS9: Pitch value out of limits: %1") << pitch; }
             int bank = qRound(std::floor(pbhstrct.bank / CFs9Sdk::bankMultiplier()));
 
             // MSFS has inverted pitch and bank angles
@@ -187,7 +187,7 @@ namespace BlackSimPlugin
             {
                 emit aircraftRenderingChanged(remoteAircraftCopy);
             }
-            CLogMessage(this).info("FS9: Added aircraft %1") << callsign.toQString();
+            CLogMessage(this).info(u"FS9: Added aircraft %1") << callsign.toQString();
             return true;
         }
 
@@ -199,7 +199,7 @@ namespace BlackSimPlugin
             fs9Client->quit();
             m_hashFs9Clients.remove(callsign);
             updateAircraftRendered(callsign, false);
-            CLogMessage(this).info("FS9: Removed aircraft %1") << callsign.toQString();
+            CLogMessage(this).info(u"FS9: Removed aircraft %1") << callsign.toQString();
             return true;
         }
 
@@ -453,7 +453,7 @@ namespace BlackSimPlugin
                 if (m_isConnecting || isOk(m_lobbyClient->connectFs9ToHost(m_fs9Host->getHostAddress())))
                 {
                     m_isConnecting = true;
-                    CLogMessage(this).info("swift is joining FS9 to the multiplayer session...");
+                    CLogMessage(this).info(u"swift is joining FS9 to the multiplayer session...");
                 }
             }
 
diff --git a/src/plugins/simulator/fscommon/fsuipcimpl.cpp b/src/plugins/simulator/fscommon/fsuipcimpl.cpp
index fda78b6ce..883d72458 100644
--- a/src/plugins/simulator/fscommon/fsuipcimpl.cpp
+++ b/src/plugins/simulator/fscommon/fsuipcimpl.cpp
@@ -96,11 +96,11 @@ namespace BlackSimPlugin
                                   .arg(QLatin1Char(48 + (0x0f & (FSUIPC_Version >> 16))))
                                   .arg((FSUIPC_Version & 0xffff) ? QString(QLatin1Char('a' + static_cast<char>(FSUIPC_Version & 0xff) - 1)) : "");
                     m_fsuipcVersion = QStringLiteral("FSUIPC %1 (%2)").arg(ver, sim);
-                    CLogMessage(this).info("FSUIPC connected: %1") << m_fsuipcVersion;
+                    CLogMessage(this).info(u"FSUIPC connected: %1") << m_fsuipcVersion;
                 }
                 else
                 {
-                    CLogMessage(this).warning("FSUIPC opened, but verification failed");
+                    CLogMessage(this).warning(u"FSUIPC opened, but verification failed");
                     m_opened = false;
                     FSUIPC_Close(); // under any circumstances close
                 }
@@ -110,7 +110,7 @@ namespace BlackSimPlugin
                 const int index = static_cast<int>(dwResult);
                 m_lastErrorIndex = index;
                 m_lastErrorMessage = CFsuipc::errorMessages().at(index);
-                CLogMessage(this).warning("FSUIPC not connected: %1") << m_lastErrorMessage;
+                CLogMessage(this).warning(u"FSUIPC not connected: %1") << m_lastErrorMessage;
                 m_opened = false;
                 FSUIPC_Close(); // under any circumstances close
             }
@@ -123,7 +123,7 @@ namespace BlackSimPlugin
             Q_ASSERT_X(CThreadUtils::isCurrentThreadObjectThread(this), Q_FUNC_INFO, "Open not threadsafe");
             if (m_opened)
             {
-                CLogMessage(this).info("Closing FSUIPC: %1") << m_fsuipcVersion;
+                CLogMessage(this).info(u"Closing FSUIPC: %1") << m_fsuipcVersion;
             }
             FSUIPC_Close(); // Closing when it wasn't open is okay, so this is safe here
             m_closeCount++;
@@ -345,7 +345,7 @@ namespace BlackSimPlugin
                 m_openCount++;
                 if (m_openCount < 10)
                 {
-                    CLogMessage(this).warning("Used FSUIPC open/close workaround");
+                    CLogMessage(this).warning(u"Used FSUIPC open/close workaround");
                 }
             }
 
@@ -454,7 +454,7 @@ namespace BlackSimPlugin
                     // MSFS has inverted pitch and bank angles
                     pitchRaw = ~pitchRaw;
                     bankRaw  = ~bankRaw;
-                    if (pitchRaw < -90 || pitchRaw > 89) { CLogMessage(this).warning("FSUIPC: Pitch value out of limits: %1") << pitchRaw; }
+                    if (pitchRaw < -90 || pitchRaw > 89) { CLogMessage(this).warning(u"FSUIPC: Pitch value out of limits: %1") << pitchRaw; }
 
                     // speeds, situation
                     CAngle pitch = CAngle(pitchRaw, CAngleUnit::deg());
@@ -504,7 +504,7 @@ namespace BlackSimPlugin
             {
                 m_lastErrorIndex = result;
                 m_lastErrorMessage = CFsuipc::errorMessage(result);
-                CLogMessage(this).warning("FSUIPC read error '%1'") << m_lastErrorMessage;
+                CLogMessage(this).warning(u"FSUIPC read error '%1'") << m_lastErrorMessage;
             }
             return read;
         }
diff --git a/src/plugins/simulator/fscommon/simulatorfscommon.cpp b/src/plugins/simulator/fscommon/simulatorfscommon.cpp
index a2f5a63e9..afb9f6080 100644
--- a/src/plugins/simulator/fscommon/simulatorfscommon.cpp
+++ b/src/plugins/simulator/fscommon/simulatorfscommon.cpp
@@ -63,7 +63,7 @@ namespace BlackSimPlugin
             {
                 const bool on = parser.toBool(2);
                 const bool s = this->useFsuipc(on);
-                CLogMessage(this, CLogCategory::cmdLine()).info("FSUIPC is '%1'") << boolToOnOff(s);
+                CLogMessage(this, CLogCategory::cmdLine()).info(u"FSUIPC is '%1'") << boolToOnOff(s);
                 return s;
             }
             return CSimulatorPluginCommon::parseDetails(parser);
diff --git a/src/plugins/simulator/fsxcommon/simconnectdatadefinition.cpp b/src/plugins/simulator/fsxcommon/simconnectdatadefinition.cpp
index 79dda1aee..c2f916e85 100644
--- a/src/plugins/simulator/fsxcommon/simconnectdatadefinition.cpp
+++ b/src/plugins/simulator/fsxcommon/simconnectdatadefinition.cpp
@@ -125,7 +125,7 @@ namespace BlackSimPlugin
             hr +=  SimConnect_AddToDataDefinition(hSimConnect, CSimConnectDefinitions::DataOwnAircraftTitle, "TITLE", nullptr, SIMCONNECT_DATATYPE_STRING256);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: initOwnAircraft %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: initOwnAircraft %1") << hr;
             }
             return hr;
         }
@@ -170,7 +170,7 @@ namespace BlackSimPlugin
 
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: initRemoteAircraftSituation %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: initRemoteAircraftSituation %1") << hr;
             }
             return hr;
         }
@@ -185,7 +185,7 @@ namespace BlackSimPlugin
             hr += SimConnect_AddToDataDefinition(hSimConnect, CSimConnectDefinitions::DataRemoteAircraftGetPosition, "STATIC CG TO GROUND", "Feet");
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: initRemoteAircraftSimData DataRemoteAircraftGetPosition %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: initRemoteAircraftSimData DataRemoteAircraftGetPosition %1") << hr;
             }
 
             hr += SimConnect_AddToDataDefinition(hSimConnect, CSimConnectDefinitions::DataRemoteAircraftModelData, "STATIC CG TO GROUND", "Feet");
@@ -197,7 +197,7 @@ namespace BlackSimPlugin
             hr += SimConnect_AddToDataDefinition(hSimConnect, CSimConnectDefinitions::DataRemoteAircraftModelData, "TITLE", nullptr, SIMCONNECT_DATATYPE_STRING256);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: initRemoteAircraftSimData DataRemoteAircraftModelData %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: initRemoteAircraftSimData DataRemoteAircraftModelData %1") << hr;
             }
 
             return hr;
@@ -210,7 +210,7 @@ namespace BlackSimPlugin
             hr += SimConnect_AddToDataDefinition(hSimConnect, CSimConnectDefinitions::DataSimEnvironment, "LOCAL TIME", "", SIMCONNECT_DATATYPE_INT32);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: initSimulatorEnvironment %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: initSimulatorEnvironment %1") << hr;
             }
             return hr;
         }
@@ -224,7 +224,7 @@ namespace BlackSimPlugin
             hr += SimConnect_MapClientDataNameToID(hSimConnect, "SquawkBox Data", ClientAreaSquawkBox);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: SimConnect_MapClientDataNameToID %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: SimConnect_MapClientDataNameToID %1") << hr;
                 return hr;
             }
 
@@ -232,7 +232,7 @@ namespace BlackSimPlugin
             hr += SimConnect_CreateClientData(hSimConnect, ClientAreaSquawkBox, sbSize, SIMCONNECT_CREATE_CLIENT_DATA_FLAG_DEFAULT);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: SimConnect_CreateClientData %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: SimConnect_CreateClientData %1") << hr;
                 return hr;
             }
 
@@ -245,7 +245,7 @@ namespace BlackSimPlugin
 
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: SB data area data definitions %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: SB data area data definitions %1") << hr;
                 return hr;
             }
 
@@ -257,7 +257,7 @@ namespace BlackSimPlugin
             hr += SimConnect_SetClientData(hSimConnect, ClientAreaSquawkBox, CSimConnectDefinitions::DataClientAreaSbRunning, SIMCONNECT_CLIENT_DATA_SET_FLAG_DEFAULT, 0, 1, &sbRunning);
             if (isFailure(hr))
             {
-                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error("SimConnect error: SimConnect_SetClientData %1") << hr;
+                CLogMessage(static_cast<CSimConnectDefinitions *>(nullptr)).error(u"SimConnect error: SimConnect_SetClientData %1") << hr;
             }
             return hr;
         }
diff --git a/src/plugins/simulator/fsxcommon/simconnectsettingscomponent.cpp b/src/plugins/simulator/fsxcommon/simconnectsettingscomponent.cpp
index 391bfae91..2507003e3 100644
--- a/src/plugins/simulator/fsxcommon/simconnectsettingscomponent.cpp
+++ b/src/plugins/simulator/fsxcommon/simconnectsettingscomponent.cpp
@@ -207,7 +207,7 @@ namespace BlackSimPlugin
             {
                 const bool written = CFileUtils::writeStringToFile(iniFile, fileName);
                 if (!written && madeDir) { d.removeRecursively(); } // clean up own created dir
-                if (written) { CLogMessage(this).info("Written '%1'") << fileName; }
+                if (written) { CLogMessage(this).info(u"Written '%1'") << fileName; }
             }
             // always refresh info, as the dialog can also be used to delete the file
             this->setSimConnectInfo();
@@ -259,7 +259,7 @@ namespace BlackSimPlugin
             const CStatusMessage saveMsg = m_p3dVersion.setAndSave(version);
             if (saveMsg.isSuccess())
             {
-                const CStatusMessage m = CStatusMessage(this).info("Changed P3D version to '%1'. Requires a new start of swift to become effective!") << version;
+                const CStatusMessage m = CStatusMessage(this).info(u"Changed P3D version to '%1'. Requires a new start of swift to become effective!") << version;
                 this->showOverlayMessage(m);
             }
         }
diff --git a/src/plugins/simulator/fsxcommon/simconnectsymbols.cpp b/src/plugins/simulator/fsxcommon/simconnectsymbols.cpp
index 419ff3f67..ae53a040f 100644
--- a/src/plugins/simulator/fsxcommon/simconnectsymbols.cpp
+++ b/src/plugins/simulator/fsxcommon/simconnectsymbols.cpp
@@ -120,7 +120,7 @@ bool resolveSimConnectSymbol(QLibrary &library, FuncPtr &funcPtr, const char *fu
     funcPtr = reinterpret_cast<FuncPtr>(library.resolve(funcName));
     if (! funcPtr)
     {
-        CLogMessage(CLogCategory::driver()).error("Failed to resolve %1: %2") << funcName << library.errorString();
+        CLogMessage(CLogCategory::driver()).error(u"Failed to resolve %1: %2") << funcName << library.errorString();
         return false;
     }
     return true;
@@ -211,21 +211,21 @@ bool loadAndResolveP3DSimConnect(P3DSimConnectVersion version)
         const bool resolvedP3DSimConnectSymbols = resolveP3DSimConnectSymbols(simConnectDll);
         if (!resolvedCommon)
         {
-            CLogMessage(CLogCategory::driver()).error("Failed to resolve common symbols from SimConnect.dll: '%1'") << simConnectFileName;
+            CLogMessage(CLogCategory::driver()).error(u"Failed to resolve common symbols from SimConnect.dll: '%1'") << simConnectFileName;
             return false;
         }
         if (!resolvedP3DSimConnectSymbols)
         {
-            CLogMessage(CLogCategory::driver()).error("Failed to resolve P3D symbols from SimConnect.dll: '%1'") << simConnectFileName;
+            CLogMessage(CLogCategory::driver()).error(u"Failed to resolve P3D symbols from SimConnect.dll: '%1'") << simConnectFileName;
             return false;
         }
 
-        CLogMessage(CLogCategory::driver()).info("Loaded and resolved P3D symbols from SimConnect.dll: '%1'") << simConnectFileName;
+        CLogMessage(CLogCategory::driver()).info(u"Loaded and resolved P3D symbols from SimConnect.dll: '%1'") << simConnectFileName;
         return  resolvedCommon && resolvedP3DSimConnectSymbols;
     }
     else
     {
-        CLogMessage(CLogCategory::driver()).error("Failed to load SimConnect.dll: '%1' '%2'") << simConnectFileName << simConnectDll.errorString();
+        CLogMessage(CLogCategory::driver()).error(u"Failed to load SimConnect.dll: '%1' '%2'") << simConnectFileName << simConnectDll.errorString();
         return false;
     }
 }
@@ -289,7 +289,7 @@ bool loadAndResolveFsxSimConnect(bool manifestProbing)
     }
     else
     {
-        CLogMessage(CLogCategory::driver()).error("Failed to load SimConnect.dll: %1") << simConnectDll.errorString();
+        CLogMessage(CLogCategory::driver()).error(u"Failed to load SimConnect.dll: %1") << simConnectDll.errorString();
         return false;
     }
 }
diff --git a/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp b/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
index b0cd37ef3..edf3de37f 100644
--- a/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
+++ b/src/plugins/simulator/fsxcommon/simulatorfsxcommon.cpp
@@ -207,7 +207,7 @@ namespace BlackSimPlugin
                     if (isFailure(hr))
                     {
                         this->triggerAutoTraceSendId();
-                        CLogMessage(this).warning("Setting transponder mode failed (SB offsets)");
+                        CLogMessage(this).warning(u"Setting transponder mode failed (SB offsets)");
                     }
                     changed = true;
                 }
@@ -276,9 +276,9 @@ namespace BlackSimPlugin
             CStatusMessageList msgs;
             if (!CBuildConfig::isLocalDeveloperDebugBuild()) { return msgs; }
             msgs = CSimulatorFsCommon::debugVerifyStateAfterAllAircraftRemoved();
-            if (!m_simConnectObjects.isEmpty()) { msgs.push_back(CStatusMessage(this).error("m_simConnectObjects not empty: '%1'") << m_simConnectObjects.getAllCallsignStringsAsString(true)); }
-            if (!m_simConnectObjectsPositionAndPartsTraces.isEmpty()) { msgs.push_back(CStatusMessage(this).error("m_simConnectObjectsPositionAndPartsTraces not empty: '%1'") << m_simConnectObjectsPositionAndPartsTraces.getAllCallsignStringsAsString(true)); }
-            if (!m_addAgainAircraftWhenRemoved.isEmpty()) { msgs.push_back(CStatusMessage(this).error("m_addAgainAircraftWhenRemoved not empty: '%1'") << m_addAgainAircraftWhenRemoved.getCallsignStrings(true).join(", ")); }
+            if (!m_simConnectObjects.isEmpty()) { msgs.push_back(CStatusMessage(this).error(u"m_simConnectObjects not empty: '%1'") << m_simConnectObjects.getAllCallsignStringsAsString(true)); }
+            if (!m_simConnectObjectsPositionAndPartsTraces.isEmpty()) { msgs.push_back(CStatusMessage(this).error(u"m_simConnectObjectsPositionAndPartsTraces not empty: '%1'") << m_simConnectObjectsPositionAndPartsTraces.getAllCallsignStringsAsString(true)); }
+            if (!m_addAgainAircraftWhenRemoved.isEmpty()) { msgs.push_back(CStatusMessage(this).error(u"m_addAgainAircraftWhenRemoved not empty: '%1'") << m_addAgainAircraftWhenRemoved.getCallsignStrings(true).join(", ")); }
             return msgs;
         }
 
@@ -369,7 +369,7 @@ namespace BlackSimPlugin
             HRESULT hr = SimConnect_SetClientData(m_hSimConnect, ClientAreaSquawkBox, CSimConnectDefinitions::DataClientAreaSbConnected, SIMCONNECT_CLIENT_DATA_SET_FLAG_DEFAULT, 0, 1, &sbNetworkConnected);
             if (isFailure(hr))
             {
-                CLogMessage(this).warning("Setting network connected failed (SB offsets)");
+                CLogMessage(this).warning(u"Setting network connected failed (SB offsets)");
             }
 
             ISimulator::setFlightNetworkConnected(connected);
@@ -472,7 +472,7 @@ namespace BlackSimPlugin
         void CSimulatorFsxCommon::onSimStopped()
         {
             // stopping events in FSX: Load menu, weather and season
-            CLogMessage(this).info("Simulator stopped: %1") << this->getSimulatorDetails();
+            CLogMessage(this).info(u"Simulator stopped: %1") << this->getSimulatorDetails();
             const SimulatorStatus oldStatus = this->getSimulatorStatus();
             m_simSimulating = false;
             m_simulatingChangedTs = QDateTime::currentMSecsSinceEpoch();
@@ -493,7 +493,7 @@ namespace BlackSimPlugin
 
         void CSimulatorFsxCommon::onSimExit()
         {
-            CLogMessage(this).info("Simulator exit: %1") << this->getSimulatorDetails();
+            CLogMessage(this).info(u"Simulator exit: %1") << this->getSimulatorDetails();
 
             // reset complete state, we are going down
             m_simulatingChangedTs = QDateTime::currentMSecsSinceEpoch();
@@ -582,7 +582,7 @@ namespace BlackSimPlugin
 
             static const QString format("hh:mm:ss.zzz");
             const QString untilString = QDateTime::fromMSecsSinceEpoch(traceUntil).toString(format);
-            CLogMessage(this).info("Triggered auto trace until %1") << untilString;
+            CLogMessage(this).info(u"Triggered auto trace until %1") << untilString;
             const QPointer<CSimulatorFsxCommon> myself(this);
             QTimer::singleShot(traceTimeMs * 1.2, this, [ = ]
             {
@@ -590,7 +590,7 @@ namespace BlackSimPlugin
                 if (!myself) { return; }
                 if (m_traceAutoUntilTs > QDateTime::currentMSecsSinceEpoch()) { return; }
                 if (m_traceAutoUntilTs < 0) { return; } // alread off
-                CLogMessage(this).info("Auto trace id off");
+                CLogMessage(this).info(u"Auto trace id off");
                 m_traceAutoUntilTs = -1;
             });
             return true;
@@ -607,7 +607,7 @@ namespace BlackSimPlugin
 
             if (simulatorOwnAircraft.pitch < -90.0 || simulatorOwnAircraft.pitch >= 90.0)
             {
-                CLogMessage(this).warning("FSX: Pitch value (own aircraft) out of limits: %1") << simulatorOwnAircraft.pitch;
+                CLogMessage(this).warning(u"FSX: Pitch value (own aircraft) out of limits: %1") << simulatorOwnAircraft.pitch;
             }
             CAircraftSituation aircraftSituation;
             aircraftSituation.setMSecsSinceEpoch(ts);
@@ -884,7 +884,7 @@ namespace BlackSimPlugin
                 // no callsign
                 if (callsign.isEmpty())
                 {
-                    msg = CLogMessage(this).error("Cannot confirm AI object, empty callsign");
+                    msg = CLogMessage(this).error(u"Cannot confirm AI object, empty callsign");
                     break;
                 }
 
@@ -894,12 +894,12 @@ namespace BlackSimPlugin
                 {
                     if (aircraftStillInRange)
                     {
-                        msg = CLogMessage(this).warning("Callsign '%1' removed in meantime from AI objects, but still in range") << callsign.toQString();
+                        msg = CLogMessage(this).warning(u"Callsign '%1' removed in meantime from AI objects, but still in range") << callsign.toQString();
                     }
                     else
                     {
                         this->removeFromAddPendingAndAddAgainAircraft(callsign);
-                        msg = CLogMessage(this).info("Callsign '%1' removed in meantime and no longer in range") << callsign.toQString();
+                        msg = CLogMessage(this).info(u"Callsign '%1' removed in meantime and no longer in range") << callsign.toQString();
                     }
                     break;
                 }
@@ -909,7 +909,7 @@ namespace BlackSimPlugin
 
                 if (!simObject.hasValidRequestAndObjectId() || simObject.isPendingRemoved())
                 {
-                    msg = CStatusMessage(this).warning("Object for callsign '%1'/id: %2 removed in meantime/invalid") << callsign.toQString() << simObject.getObjectId();
+                    msg = CStatusMessage(this).warning(u"Object for callsign '%1'/id: %2 removed in meantime/invalid") << callsign.toQString() << simObject.getObjectId();
                     break;
                 }
 
@@ -919,7 +919,7 @@ namespace BlackSimPlugin
 
                 if (!released)
                 {
-                    msg = CStatusMessage(this).error("Cannot confirm model '%1' %2") << remoteAircraft.getModelString() << simObject.toQString();
+                    msg = CStatusMessage(this).error(u"Cannot confirm model '%1' %2") << remoteAircraft.getModelString() << simObject.toQString();
                     break;
                 }
 
@@ -942,7 +942,7 @@ namespace BlackSimPlugin
                 }
                 else
                 {
-                    CLogMessage(this).warning("Verified aircraft '%1' model '%2', request/object id: %3 %4 was already marked rendered") << callsign.asString() << remoteAircraft.getModelString() << simObject.getRequestId() << simObject.getObjectId();
+                    CLogMessage(this).warning(u"Verified aircraft '%1' model '%2', request/object id: %3 %4 was already marked rendered") << callsign.asString() << remoteAircraft.getModelString() << simObject.getRequestId() << simObject.getObjectId();
                 }
             }
             while (false);
@@ -970,7 +970,7 @@ namespace BlackSimPlugin
             m_simConnectObjects.removeByOtherSimObject(simObject);
             this->removeFromAddPendingAndAddAgainAircraft(simObject.getCallsign());
 
-            CLogMessage(this).warning("Model failed to be added: '%1' details: %2") << simObject.getAircraftModelString() << simObject.getAircraft().toQString(true);
+            CLogMessage(this).warning(u"Model failed to be added: '%1' details: %2") << simObject.getAircraftModelString() << simObject.getAircraft().toQString(true);
             CStatusMessage verifyMsg;
             const bool canBeUsed = this->verifyFailedAircraftInfo(simObject, verifyMsg); // aircraft.cfg existing?
             if (!verifyMsg.isEmpty()) { CLogMessage::preformatted(verifyMsg); }
@@ -978,14 +978,14 @@ namespace BlackSimPlugin
             if (!canBeUsed || simObject.getAddingExceptions() >= ThresholdAddException)
             {
                 const CStatusMessage m = !canBeUsed ?
-                                         CLogMessage(this).warning("Model '%1' %2 failed verification and will be disabled") << simObject.getAircraftModelString() << simObject.toQString()  :
-                                         CLogMessage(this).warning("Model '%1' %2 failed %3 time(s) before and will be disabled") << simObject.getAircraftModelString() << simObject.toQString() << simObject.getAddingExceptions();
+                                         CLogMessage(this).warning(u"Model '%1' %2 failed verification and will be disabled") << simObject.getAircraftModelString() << simObject.toQString()  :
+                                         CLogMessage(this).warning(u"Model '%1' %2 failed %3 time(s) before and will be disabled") << simObject.getAircraftModelString() << simObject.toQString() << simObject.getAddingExceptions();
                 this->updateAircraftEnabled(simObject.getCallsign(), false); // disable
                 emit this->physicallyAddingRemoteModelFailed(simObject.getAircraft(), true, m);
             }
             else
             {
-                CLogMessage(this).info("Will try '%1' again, aircraft: %2") << simObject.getAircraftModelString() << simObject.getAircraft().toQString(true);
+                CLogMessage(this).info(u"Will try '%1' again, aircraft: %2") << simObject.getAircraftModelString() << simObject.getAircraft().toQString(true);
                 CSimConnectObject simObjAddAgain(simObject);
                 simObjAddAgain.increaseAddingExceptions();
 
@@ -1018,18 +1018,18 @@ namespace BlackSimPlugin
                 {
                     if (entries.containsTitle(model.getModelString()))
                     {
-                        messages.push_back(CStatusMessage(this).info("Model '%1' exists in re-parsed file '%2'.") << model.getModelString() << model.getFileName());
+                        messages.push_back(CStatusMessage(this).info(u"Model '%1' exists in re-parsed file '%2'.") << model.getModelString() << model.getFileName());
                         canBeUsed = true; // all OK
                     }
                     else
                     {
-                        messages.push_back(CStatusMessage(this).warning("Model '%1' no longer in re-parsed file '%2'. Models are: %3.") << model.getModelString() << model.getFileName() << entries.getTitlesAsString(true));
+                        messages.push_back(CStatusMessage(this).warning(u"Model '%1' no longer in re-parsed file '%2'. Models are: %3.") << model.getModelString() << model.getFileName() << entries.getTitlesAsString(true));
                         canBeUsed = false; // absolute no chance to use that one
                     }
                 }
                 else
                 {
-                    messages.push_back(CStatusMessage(this).warning("CS: '%1' Cannot parse file: '%2' (existing: %3)") << model.getCallsign().asString() << model.getFileName() << boolToYesNo(model.hasExistingCorrespondingFile()));
+                    messages.push_back(CStatusMessage(this).warning(u"CS: '%1' Cannot parse file: '%2' (existing: %3)") << model.getCallsign().asString() << model.getFileName() << boolToYesNo(model.hasExistingCorrespondingFile()));
                 }
             }
             else
@@ -1065,7 +1065,7 @@ namespace BlackSimPlugin
                 simObject.setConfirmedAdded(true); // terrain probe
                 simObject.resetTimestampToNow();
                 cs = simObject.getCallsign();
-                CLogMessage(this).info("Probe: '%1' '%2' confirmed, %3") << simObject.getCallsignAsString() << simObject.getAircraftModelString() << simObject.toQString();
+                CLogMessage(this).info(u"Probe: '%1' '%2' confirmed, %3") << simObject.getCallsignAsString() << simObject.getAircraftModelString() << simObject.toQString();
 
                 // fails for probe
                 // SIMCONNECT_DATA_REQUEST_ID requestId = this->obtainRequestIdForSimObjTerrainProbe();
@@ -1075,7 +1075,7 @@ namespace BlackSimPlugin
 
             if (!verified)
             {
-                CLogMessage(this).info("Disable probes: '%1' failed to relase control") << cs.asString();
+                CLogMessage(this).info(u"Disable probes: '%1' failed to relase control") << cs.asString();
                 m_useFsxTerrainProbe = false;
             }
 
@@ -1137,7 +1137,7 @@ namespace BlackSimPlugin
                 }
                 else
                 {
-                    CLogMessage(this).warning("Pending aircraft without model string will be removed");
+                    CLogMessage(this).warning(u"Pending aircraft without model string will be removed");
                     m_addPendingAircraft.removeByOtherSimObject(oldestSimObject);
                 }
             }
@@ -1187,19 +1187,19 @@ namespace BlackSimPlugin
                     m_simConnectObjects.removeByOtherSimObject(simObject); // we have it in pending now, no need to keep it in this list
 
                     const CInterpolationAndRenderingSetupPerCallsign setup = this->getInterpolationSetupPerCallsignOrDefault(callsign);
-                    msg = CLogMessage(this).warning("Aircraft removed, '%1' '%2' object id '%3' out of reality bubble or other reason. Interpolator: '%4'")
+                    msg = CLogMessage(this).warning(u"Aircraft removed, '%1' '%2' object id '%3' out of reality bubble or other reason. Interpolator: '%4'")
                           << callsign.toQString() << simObject.getAircraftModelString()
                           << objectID << simObject.getInterpolatorInfo(setup.getInterpolatorMode());
                 }
                 else if (simObject.getAddingDirectlyRemoved() < ThresholdAddedAndDirectlyRemoved)
                 {
-                    const CStatusMessage m = CLogMessage(this).warning("Aircraft removed again multiple times and will be disabled, '%1' '%2' object id '%3'") << callsign.toQString() << simObject.getAircraftModelString() << objectID;
+                    const CStatusMessage m = CLogMessage(this).warning(u"Aircraft removed again multiple times and will be disabled, '%1' '%2' object id '%3'") << callsign.toQString() << simObject.getAircraftModelString() << objectID;
                     this->updateAircraftEnabled(simObject.getCallsign(), false);
                     emit this->physicallyAddingRemoteModelFailed(simObject.getAircraft(), true, m);
                 }
                 else
                 {
-                    msg = CLogMessage(this).warning("Removed '%1' from simulator, but was not initiated by us (swift): %1 '%2' object id %3") << callsign.toQString() << simObject.getAircraftModelString() << objectID;
+                    msg = CLogMessage(this).warning(u"Removed '%1' from simulator, but was not initiated by us (swift): %1 '%2' object id %3") << callsign.toQString() << simObject.getAircraftModelString() << objectID;
                 }
 
                 // in all cases add verification details
@@ -1272,7 +1272,7 @@ namespace BlackSimPlugin
             {
                 const bool trace = parser.toBool(2);
                 this->setTraceSendId(trace);
-                CLogMessage(this, CLogCategory::cmdLine()).info("Tracing %1 driver sendIds is '%2'") << this->getSimulatorPluginInfo().getIdentifier() << boolToOnOff(trace);
+                CLogMessage(this, CLogCategory::cmdLine()).info(u"Tracing %1 driver sendIds is '%2'") << this->getSimulatorPluginInfo().getIdentifier() << boolToOnOff(trace);
                 return true;
             }
 
@@ -1281,7 +1281,7 @@ namespace BlackSimPlugin
             {
                 const bool on = parser.toBool(2);
                 this->setUsingSbOffsetValues(on);
-                CLogMessage(this, CLogCategory::cmdLine()).info("SB offsets is '%1'") << boolToOnOff(on);
+                CLogMessage(this, CLogCategory::cmdLine()).info(u"SB offsets is '%1'") << boolToOnOff(on);
                 return true;
             }
 
@@ -1354,12 +1354,12 @@ namespace BlackSimPlugin
                 {
                     // 2nd time, an error / avoid multiple messages
                     // idea: if it happens once ignore
-                    CLogMessage(this).error("%1: Dispatch error") << this->getSimulatorPluginInfo().getIdentifier();
+                    CLogMessage(this).error(u"%1: Dispatch error") << this->getSimulatorPluginInfo().getIdentifier();
                 }
                 else if (m_dispatchErrors > 5)
                 {
                     // this normally happens during a FSX crash or shutdown with simconnect
-                    CLogMessage(this).error("%1: Multiple dispatch errors, disconnecting") << this->getSimulatorPluginInfo().getIdentifier();
+                    CLogMessage(this).error(u"%1: Multiple dispatch errors, disconnecting") << this->getSimulatorPluginInfo().getIdentifier();
                     this->disconnectFrom();
                 }
                 return;
@@ -1405,7 +1405,7 @@ namespace BlackSimPlugin
             if (!outdatedAdded.isEmpty())
             {
                 const CCallsignSet callsigns = outdatedAdded.getAllCallsigns(false);
-                CLogMessage(this).warning("Removed %1 outdated objects pending for added: %2") << outdatedAdded.size() << callsigns.getCallsignsAsString(true);
+                CLogMessage(this).warning(u"Removed %1 outdated objects pending for added: %2") << outdatedAdded.size() << callsigns.getCallsignsAsString(true);
                 this->updateMultipleAircraftEnabled(callsigns, false);
 
                 static const QString msgText("%1 oudated adding, %2");
@@ -1441,7 +1441,7 @@ namespace BlackSimPlugin
                 // same model, nothing will change, otherwise add again when removed
                 if (sameModel)
                 {
-                    CLogMessage(this).info("CS: '%1' re-added same model '%2'") << newRemoteAircraft.getCallsignAsString() << newModelString;
+                    CLogMessage(this).info(u"CS: '%1' re-added same model '%2'") << newRemoteAircraft.getCallsignAsString() << newModelString;
 
                     // we restore rendered flag in case we are sure we are rendered
                     // this is used with rematching
@@ -1464,12 +1464,12 @@ namespace BlackSimPlugin
                 const CAircraftSituationList situations(this->remoteAircraftSituations(callsign));
                 if (situations.isEmpty())
                 {
-                    CLogMessage(this).warning("No valid situations for '%1', will be added as pending") << callsign.asString();
+                    CLogMessage(this).warning(u"No valid situations for '%1', will be added as pending") << callsign.asString();
                     canAdd = false;
                 }
                 else
                 {
-                    CLogMessage(this).warning("Invalid aircraft situation for new aircraft '%1', use closest situation") << callsign.asString();
+                    CLogMessage(this).warning(u"Invalid aircraft situation for new aircraft '%1', use closest situation") << callsign.asString();
                     situation = situations.findClosestTimeDistanceAdjusted(QDateTime::currentMSecsSinceEpoch());
                     Q_ASSERT_X(!situation.isPositionOrAltitudeNull(), Q_FUNC_INFO, "Invalid situation for new aircraft");
                 }
@@ -1480,7 +1480,7 @@ namespace BlackSimPlugin
                 if (CBuildConfig::isLocalDeveloperDebugBuild())
                 {
                     BLACK_VERIFY_X(invalidSituation, Q_FUNC_INFO, "Expect valid situation");
-                    CLogMessage(this).warning("Invalid situation for '%1'") << callsign;
+                    CLogMessage(this).warning(u"Invalid situation for '%1'") << callsign;
                 }
             }
 
@@ -1499,7 +1499,7 @@ namespace BlackSimPlugin
             // create AI after crosschecking it
             if (!probe && !this->isAircraftInRange(callsign))
             {
-                CLogMessage(this).info("Skipping adding of '%1' since it is no longer in range") << callsign.asString();
+                CLogMessage(this).info(u"Skipping adding of '%1' since it is no longer in range") << callsign.asString();
                 return false;
             }
 
@@ -1540,12 +1540,12 @@ namespace BlackSimPlugin
 
             if (!underflowStatus.isEmpty())
             {
-                CStatusMessage(this).warning("Underflow detecion for '%1', details '%2'") << callsign.asString() << underflowStatus.getMessage();
+                CStatusMessage(this).warning(u"Underflow detecion for '%1', details '%2'") << callsign.asString() << underflowStatus.getMessage();
             }
 
             if (isFailure(hr))
             {
-                const CStatusMessage msg = CStatusMessage(this).error("SimConnect, can not create AI traffic: '%1' '%2'") << callsign.toQString() << modelString;
+                const CStatusMessage msg = CStatusMessage(this).error(u"SimConnect, can not create AI traffic: '%1' '%2'") << callsign.toQString() << modelString;
                 CLogMessage::preformatted(msg);
                 emit this->physicallyAddingRemoteModelFailed(newRemoteAircraft, true, msg);
             }
@@ -1600,7 +1600,7 @@ namespace BlackSimPlugin
                 if (this->physicallyAddAITerrainProbe(coordinate, n)) { c++; }
             }
 
-            CLogMessage(this).info("Adding %1 FSX terrain probes") << number;
+            CLogMessage(this).info(u"Adding %1 FSX terrain probes") << number;
             m_addedProbes = c;
             return c;
         }
@@ -1628,7 +1628,7 @@ namespace BlackSimPlugin
             {
                 // problem: we try to delete an aircraft just requested to be added
                 // best solution so far, call remove again with a delay
-                CLogMessage(this).warning("'%1' requested to be removed, but pending added (%2) / or pending lights(%3). Object will be removed again: %4")
+                CLogMessage(this).warning(u"'%1' requested to be removed, but pending added (%2) / or pending lights(%3). Object will be removed again: %4")
                         << callsign.asString() << boolToYesNo(pendingAdded)
                         << boolToYesNo(stillWaitingForLights) << simObject.toQString();
                 simObject.setRemovedWhileAdding(true); // next time kill
@@ -1636,7 +1636,7 @@ namespace BlackSimPlugin
                 QTimer::singleShot(2000, this, [ = ]
                 {
                     if (!myself) { return; }
-                    CLogMessage(this).info("Next trail to remove '%1'") << callsign.asString();
+                    CLogMessage(this).info(u"Next trail to remove '%1'") << callsign.asString();
                     myself->physicallyRemoveRemoteAircraft(callsign);
                 });
                 return false; // not yet deleted
@@ -1660,7 +1660,7 @@ namespace BlackSimPlugin
             }
             else
             {
-                CLogMessage(this).warning("Removing aircraft '%1' from simulator failed") << callsign.asString();
+                CLogMessage(this).warning(u"Removing aircraft '%1' from simulator failed") << callsign.asString();
             }
 
             // mark in provider
@@ -1711,7 +1711,7 @@ namespace BlackSimPlugin
             hr += SimConnect_SubscribeToSystemEvent(m_hSimConnect, SystemEventFlightLoaded, "FlightLoaded");
             if (isFailure(hr))
             {
-                CLogMessage(this).error("FSX plugin error: %1") << "SimConnect_SubscribeToSystemEvent failed";
+                CLogMessage(this).error(u"FSX plugin error: %1") << "SimConnect_SubscribeToSystemEvent failed";
                 return hr;
             }
 
@@ -1755,7 +1755,7 @@ namespace BlackSimPlugin
 
             if (isFailure(hr))
             {
-                CLogMessage(this).error("FSX plugin error: %1") << "SimConnect_MapClientEventToSimEvent failed";
+                CLogMessage(this).error(u"FSX plugin error: %1") << "SimConnect_MapClientEventToSimEvent failed";
                 return hr;
             }
 
@@ -1764,7 +1764,7 @@ namespace BlackSimPlugin
             hr += SimConnect_SubscribeToFacilities(m_hSimConnect, SIMCONNECT_FACILITY_LIST_TYPE_AIRPORT, requestId);
             if (isFailure(hr))
             {
-                CLogMessage(this).error("FSX plugin error: %1") << "SimConnect_SubscribeToFacilities failed";
+                CLogMessage(this).error(u"FSX plugin error: %1") << "SimConnect_SubscribeToFacilities failed";
                 return hr;
             }
             return hr;
@@ -1782,7 +1782,7 @@ namespace BlackSimPlugin
             HRESULT hr = this->initEvents();
             if (isFailure(hr))
             {
-                CLogMessage(this).error("FSX plugin: initEvents failed");
+                CLogMessage(this).error(u"FSX plugin: initEvents failed");
                 return hr;
             }
 
@@ -1790,7 +1790,7 @@ namespace BlackSimPlugin
             hr += this->initDataDefinitionsWhenConnected();
             if (isFailure(hr))
             {
-                CLogMessage(this).error("FSX plugin: initDataDefinitionsWhenConnected failed");
+                CLogMessage(this).error(u"FSX plugin: initDataDefinitionsWhenConnected failed");
                 return hr;
             }
 
@@ -2088,7 +2088,7 @@ namespace BlackSimPlugin
                     if (position.Airspeed < 2)
                     {
                         position.OnGround = 1U;
-                        if (details) { *details = CStatusMessage(getLogCategories()).warning("Force GND flag for underflow protection"); }
+                        if (details) { *details = CStatusMessage(getLogCategories()).warning(u"Force GND flag for underflow protection"); }
                         break;
                     }
                 }
@@ -2193,12 +2193,12 @@ namespace BlackSimPlugin
 
             if (isFailure(hr1, hr2))
             {
-                CLogMessage(this).warning("Sending time sync failed!");
+                CLogMessage(this).warning(u"Sending time sync failed!");
             }
             else
             {
                 m_syncTimeDeferredCounter = 5; // allow some time to sync
-                CLogMessage(this).info("Synchronized time to UTC: '%1'") << myTime.toString();
+                CLogMessage(this).info(u"Synchronized time to UTC: '%1'") << myTime.toString();
             }
         }
 
@@ -2474,7 +2474,7 @@ namespace BlackSimPlugin
                 }
                 else
                 {
-                    CLogMessage(this).warning("Removing probe '%1' from simulator failed") << probeSimObject.getObjectId();
+                    CLogMessage(this).warning(u"Removing probe '%1' from simulator failed") << probeSimObject.getObjectId();
                 }
             }
             m_simConnectObjects.removeAllProbes();
@@ -2689,7 +2689,7 @@ namespace BlackSimPlugin
                     simListener->m_simConnectVersion = QStringLiteral("%1.%2.%3.%4").arg(event->dwSimConnectVersionMajor).arg(event->dwSimConnectVersionMinor).arg(event->dwSimConnectBuildMajor).arg(event->dwSimConnectBuildMinor);
                     simListener->m_simulatorName = CSimulatorFsxCommon::fsxCharToQString(event->szApplicationName);
                     simListener->m_simulatorDetails = QStringLiteral("Name: '%1' Version: %2 SimConnect: %3").arg(simListener->m_simulatorName, simListener->m_simulatorVersion, simListener->m_simConnectVersion);
-                    const CStatusMessage msg = CStatusMessage(simListener).info("Connect to %1: '%2'") << simListener->getPluginInfo().getIdentifier() << simListener->backendInfo();
+                    const CStatusMessage msg = CStatusMessage(simListener).info(u"Connect to %1: '%2'") << simListener->getPluginInfo().getIdentifier() << simListener->backendInfo();
 
                     // avoid the same message over and over again
                     if (msg.getMessage() != simListener->m_lastMessage.getMessage())
diff --git a/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp b/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
index 280e766db..ebd4bc5d4 100644
--- a/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
+++ b/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
@@ -56,7 +56,7 @@ namespace BlackSimPlugin
                     const QString details = QStringLiteral("Name: '%1' Version: %2 SimConnect: %3").arg(name, version, simConnectVersion);
                     simulatorFsxP3D->setSimulatorDetails(name, details, version);
                     simulatorFsxP3D->m_simConnectVersion = simConnectVersion;
-                    CLogMessage(simulatorFsxP3D).info("Connected to %1: '%2'") << simulatorFsxP3D->getSimulatorPluginInfo().getIdentifier() << details;
+                    CLogMessage(simulatorFsxP3D).info(u"Connected to %1: '%2'") << simulatorFsxP3D->getSimulatorPluginInfo().getIdentifier() << details;
                     simulatorFsxP3D->setSimConnected();
                     break; // SIMCONNECT_RECV_ID_OPEN
                 }
@@ -95,10 +95,10 @@ namespace BlackSimPlugin
                                     {
                                         const bool removed = simulatorFsxP3D->m_simConnectObjects.remove(simObject.getCallsign());
                                         Q_UNUSED(removed);
-                                        CLogMessage(simulatorFsxP3D).warning("Adding probe failed: %1 %2") << simObject.getCallsign().asString() << simObject.getAircraftModelString();
+                                        CLogMessage(simulatorFsxP3D).warning(u"Adding probe failed: %1 %2") << simObject.getCallsign().asString() << simObject.getAircraftModelString();
                                         if (simulatorFsxP3D->isUsingFsxTerrainProbe())
                                         {
-                                            CLogMessage(simulatorFsxP3D).warning("Disabling terrain probe");
+                                            CLogMessage(simulatorFsxP3D).warning(u"Disabling terrain probe");
                                             simulatorFsxP3D->setUsingFsxTerrainProbe(false);
                                         }
                                         logGenericExceptionInfo = false;
@@ -118,7 +118,7 @@ namespace BlackSimPlugin
                         ex.sprintf("Exception=%lu | SendID=%lu | Index=%lu | cbData=%lu", exceptionId, sendId, index, data);
                         const QString exceptionString(CSimConnectUtilities::simConnectExceptionToString(static_cast<DWORD>(exception->dwException)));
                         const QString sendIdDetails = simulatorFsxP3D->getSendIdTraceDetails(sendId);
-                        CLogMessage(simulatorFsxP3D).warning("Caught simConnect exception: '%1' '%2' | send details: '%3'")
+                        CLogMessage(simulatorFsxP3D).warning(u"Caught simConnect exception: '%1' '%2' | send details: '%3'")
                                 << exceptionString << ex
                                 << (sendIdDetails.isEmpty() ? "N/A" : sendIdDetails);
                     }
@@ -221,7 +221,7 @@ namespace BlackSimPlugin
                         {
                             const CSimConnectObject simObject = simulatorFsxP3D->getSimObjectForObjectId(objectId);
                             const CSimulatedAircraft remoteAircraft(simObject.getAircraft());
-                            const CStatusMessage msg = CStatusMessage(simulatorFsxP3D).error("Cannot add object %1, cs: '%2' model: '%3'") << objectId << remoteAircraft.getCallsignAsString() << remoteAircraft.getModelString();
+                            const CStatusMessage msg = CStatusMessage(simulatorFsxP3D).error(u"Cannot add object %1, cs: '%2' model: '%3'") << objectId << remoteAircraft.getCallsignAsString() << remoteAircraft.getModelString();
                             CLogMessage::preformatted(msg);
                             emit simulatorFsxP3D->physicallyAddingRemoteModelFailed(remoteAircraft, false, msg);
                         }
@@ -312,7 +312,7 @@ namespace BlackSimPlugin
                                 {
                                     if (CBuildConfig::isLocalDeveloperDebugBuild())
                                     {
-                                        CLogMessage(simulatorFsxP3D).error("Unknown subrequest (aircraft): '%1' %2")
+                                        CLogMessage(simulatorFsxP3D).error(u"Unknown subrequest (aircraft): '%1' %2")
                                                 << CSimConnectDefinitions::simObjectRequestToString(subRequest)
                                                 << simObject.toQString();
                                     }
@@ -341,7 +341,7 @@ namespace BlackSimPlugin
                                 {
                                     if (CBuildConfig::isLocalDeveloperDebugBuild())
                                     {
-                                        CLogMessage(simulatorFsxP3D).error("Unknown subrequest (probe): '%1' %2")
+                                        CLogMessage(simulatorFsxP3D).error(u"Unknown subrequest (probe): '%1' %2")
                                                 << CSimConnectDefinitions::simObjectRequestToString(subRequest)
                                                 << probeObj.toQString();
                                     }
diff --git a/src/plugins/simulator/p3d/simulatorp3d.cpp b/src/plugins/simulator/p3d/simulatorp3d.cpp
index e9356f4ed..ea8d7a076 100644
--- a/src/plugins/simulator/p3d/simulatorp3d.cpp
+++ b/src/plugins/simulator/p3d/simulatorp3d.cpp
@@ -138,7 +138,7 @@ namespace BlackSimPlugin
             }
             else
             {
-                const CStatusMessage msg = CStatusMessage(this).error("SimConnect, can not request ground info: '%1' '%2'") << requestId << callsign.asString();
+                const CStatusMessage msg = CStatusMessage(this).error(u"SimConnect, can not request ground info: '%1' '%2'") << requestId << callsign.asString();
                 CLogMessage::preformatted(msg);
             }
 
@@ -236,7 +236,7 @@ namespace BlackSimPlugin
             HRESULT hr = s_ok();
             if (isFailure(hr))
             {
-                CLogMessage(this).error("P3D plugin error: %1") << "initEventsP3D failed";
+                CLogMessage(this).error(u"P3D plugin error: %1") << "initEventsP3D failed";
                 return hr;
             }
             return hr;
diff --git a/src/plugins/simulator/xplane/simulatorxplane.cpp b/src/plugins/simulator/xplane/simulatorxplane.cpp
index c8aa69a1b..ec8b1cb9e 100644
--- a/src/plugins/simulator/xplane/simulatorxplane.cpp
+++ b/src/plugins/simulator/xplane/simulatorxplane.cpp
@@ -468,7 +468,7 @@ namespace BlackSimPlugin
             Q_UNUSED(offset);
             if (enable)
             {
-                CLogMessage(this).info("X-Plane provides real time synchronization, use this one");
+                CLogMessage(this).info(u"X-Plane provides real time synchronization, use this one");
             }
             return false;
         }
@@ -566,7 +566,7 @@ namespace BlackSimPlugin
                 }
             }
             while (dir.cdUp());
-            CLogMessage(this).warning("Failed to find CSL package for %1") << modelFile;
+            CLogMessage(this).warning(u"Failed to find CSL package for %1") << modelFile;
             return {};
         }
 
@@ -583,14 +583,14 @@ namespace BlackSimPlugin
             if (!this->isAircraftInRange(newRemoteAircraft.getCallsign()))
             {
                 // next cycle will be called by callbacks or timer
-                CLogMessage(this).warning("Aircraft '%1' no longer in range, will not add") << newRemoteAircraft.getCallsign();
+                CLogMessage(this).warning(u"Aircraft '%1' no longer in range, will not add") << newRemoteAircraft.getCallsign();
                 return false;
             }
 
             if (this->canAddAircraft())
             {
                 // no aircraft pending, add
-                CLogMessage(this).info("Adding '%1' to XPlane") << newRemoteAircraft.getCallsign();
+                CLogMessage(this).info(u"Adding '%1' to XPlane") << newRemoteAircraft.getCallsign();
                 const qint64 now = QDateTime::currentMSecsSinceEpoch();
                 m_addingInProgressAircraft.insert(newRemoteAircraft.getCallsign(), now);
                 const QString callsign = newRemoteAircraft.getCallsign().asString();
@@ -990,17 +990,17 @@ namespace BlackSimPlugin
 
             if (!addedRemoteAircraft.hasCallsign())
             {
-                CLogMessage(this).warning("Aircraft '%1' no longer in range, will be removed") << callsign;
+                CLogMessage(this).warning(u"Aircraft '%1' no longer in range, will be removed") << callsign;
                 this->triggerRemoveAircraft(cs, TimeoutAdding);
                 return;
             }
 
-            CLogMessage(this).info("Added aircraft '%1'") << callsign;
+            CLogMessage(this).info(u"Added aircraft '%1'") << callsign;
             if (!wasPending)
             {
                 // timeout?
                 // slow adding?
-                CLogMessage(this).warning("Added callsign '%1' was not in progress anymore. Timeout?") << callsign;
+                CLogMessage(this).warning(u"Added callsign '%1' was not in progress anymore. Timeout?") << callsign;
             }
 
             const bool rendered = true;
@@ -1021,12 +1021,12 @@ namespace BlackSimPlugin
 
             if (failedRemoteAircraft.hasCallsign())
             {
-                CLogMessage(this).warning("Adding aircraft failed: '%1'") << callsign;
+                CLogMessage(this).warning(u"Adding aircraft failed: '%1'") << callsign;
                 failedRemoteAircraft.setRendered(false);
             }
             else
             {
-                CLogMessage(this).warning("Adding '%1' failed, but aircraft no longer in range, will be removed") << callsign;
+                CLogMessage(this).warning(u"Adding '%1' failed, but aircraft no longer in range, will be removed") << callsign;
             }
 
             const bool wasPending = (m_addingInProgressAircraft.remove(cs) > 0);
@@ -1053,7 +1053,7 @@ namespace BlackSimPlugin
             // next add cycle
             const CSimulatedAircraft newRemoteAircraft = m_pendingToBeAddedAircraft.front();
             m_pendingToBeAddedAircraft.pop_front();
-            CLogMessage(this).info("Adding next pending aircraft '%1', pending %2, in progress %3") << newRemoteAircraft.getCallsignAsString() << m_pendingToBeAddedAircraft.size() << m_addingInProgressAircraft.size();
+            CLogMessage(this).info(u"Adding next pending aircraft '%1', pending %2, in progress %3") << newRemoteAircraft.getCallsignAsString() << m_pendingToBeAddedAircraft.size() << m_addingInProgressAircraft.size();
             this->physicallyAddRemoteAircraft(newRemoteAircraft);
         }
 
@@ -1082,7 +1082,7 @@ namespace BlackSimPlugin
             for (const CCallsign &cs : as_const(timeoutCallsigns))
             {
                 m_addingInProgressAircraft.remove(cs);
-                CLogMessage(this).warning("Adding for '%1' timed out") << cs.asString();
+                CLogMessage(this).warning(u"Adding for '%1' timed out") << cs.asString();
             }
 
             return timeoutCallsigns.size();
@@ -1214,20 +1214,20 @@ namespace BlackSimPlugin
             QString xswiftbusVersion = service.getVersionNumber();
             if (! swiftVersion.contains(xswiftbusVersion))
             {
-                CLogMessage(this).error("You are using an incorrect version of XSwiftBus. Make sure to install %1 into X-Plane plugins!") << xswiftbusVersion;
+                CLogMessage(this).error(u"You are using an incorrect version of XSwiftBus. Make sure to install %1 into X-Plane plugins!") << xswiftbusVersion;
                 return;
             }
 
             if (!traffic.initialize())
             {
-                CLogMessage(this).error("Connection to XSwiftBus successful, but could not initialize XSwiftBus. Check X-Plane Log.txt.");
+                CLogMessage(this).error(u"Connection to XSwiftBus successful, but could not initialize XSwiftBus. Check X-Plane Log.txt.");
                 return;
             }
 
             MultiplayerAcquireInfo info = traffic.acquireMultiplayerPlanes();
             if (! info.hasAcquired)
             {
-                CLogMessage(this).error("Connection to XSwiftBus successful, but could not acquire multiplayer planes. %1 has acquired them already. Disable %2 or remove it if not required and reload XSwiftBus.") << info.owner << info.owner;
+                CLogMessage(this).error(u"Connection to XSwiftBus successful, but could not acquire multiplayer planes. %1 has acquired them already. Disable %2 or remove it if not required and reload XSwiftBus.") << info.owner << info.owner;
                 return;
             }
 
diff --git a/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp b/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
index 23d6b0f6b..fdbf58223 100644
--- a/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
+++ b/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
@@ -47,7 +47,7 @@ namespace BlackSimPlugin
             reply.waitForFinished();
             if (reply.isError())
             {
-                BlackMisc::CLogMessage(this).debug("CXSwiftBusTrafficProxy::acquireMultiplayerPlanes returned: %1") << reply.error().message();
+                BlackMisc::CLogMessage(this).debug(u"CXSwiftBusTrafficProxy::acquireMultiplayerPlanes returned: %1") << reply.error().message();
             }
             MultiplayerAcquireInfo info;
             info.hasAcquired = reply.argumentAt<0>();
diff --git a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
index b633b4fd4..569bef33d 100644
--- a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
+++ b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
@@ -69,7 +69,7 @@ namespace BlackWxPlugin
             {
                 if (!sApp->isInternetAccessible())
                 {
-                    CLogMessage(this).error("No weather download since network/internet not accessible");
+                    CLogMessage(this).error(u"No weather download since network/internet not accessible");
                     return;
                 }
 
@@ -256,22 +256,22 @@ namespace BlackWxPlugin
                     g2int expand = 1;
                     gribfield *gfld = nullptr;
                     g2_getfld(readPtr, n + 1, unpack, expand, &gfld);
-                    if (gfld->idsectlen < 12) { CLogMessage(this).warning("Identification section: wrong length!"); continue; }
+                    if (gfld->idsectlen < 12) { CLogMessage(this).warning(u"Identification section: wrong length!"); continue; }
 
-                    if (gfld->igdtnum != 0) { CLogMessage(this).warning("Can handle only grid definition template number = 0"); }
+                    if (gfld->igdtnum != 0) { CLogMessage(this).warning(u"Can handle only grid definition template number = 0"); }
 
                     int nscan = gfld->igdtmpl[18];
                     int npnts = gfld->ngrdpts;
                     int nx = gfld->igdtmpl[7];
                     int ny = gfld->igdtmpl[8];
-                    if (nscan != 0) {  CLogMessage(this).error("Can only handle scanning mode NS:WE."); }
-                    if (npnts != nx * ny) {  CLogMessage(this).error("Cannot handle non-regular grid."); }
+                    if (nscan != 0) {  CLogMessage(this).error(u"Can only handle scanning mode NS:WE."); }
+                    if (npnts != nx * ny) {  CLogMessage(this).error(u"Cannot handle non-regular grid."); }
 
                     if (m_gfsWeatherGrid.empty()) { createWeatherGrid(gfld); }
 
                     if (gfld->ipdtnum == 0) { handleProductDefinitionTemplate40(gfld); }
                     else if (gfld->ipdtnum == 8) { handleProductDefinitionTemplate48(gfld); }
-                    else { CLogMessage(this).warning("Cannot handle product definition template %1") << gfld->ipdtnum; continue; }
+                    else { CLogMessage(this).warning(u"Cannot handle product definition template %1") << gfld->ipdtnum; continue; }
 
                     g2_free(gfld);
                 }
@@ -398,17 +398,17 @@ namespace BlackWxPlugin
 
             if (latitude1 < -90.0 || latitude2 < -90.0 || latitude1 > 90.0 || latitude2 > 90.0)
             {
-                CLogMessage(this).warning("Invalid grid definition: lat1 = %1 - lat2 = %2") << latitude1 << latitude2;
+                CLogMessage(this).warning(u"Invalid grid definition: lat1 = %1 - lat2 = %2") << latitude1 << latitude2;
                 return;
             }
             if (longitude1 < 0.0 || longitude2 < 0.0 || longitude1 > 360.0 || longitude2 > 360.0)
             {
-                CLogMessage(this).warning("Invalid grid definition: lon1 = %1 - lon2 = %2") << longitude1 << longitude2;
+                CLogMessage(this).warning(u"Invalid grid definition: lon1 = %1 - lon2 = %2") << longitude1 << longitude2;
                 return;
             }
             if (npnts != nx * ny)
             {
-                CLogMessage(this).warning("Invalid grid definition: npnts != nx * ny!");
+                CLogMessage(this).warning(u"Invalid grid definition: npnts != nx * ny!");
                 return;
             }
 
@@ -418,7 +418,7 @@ namespace BlackWxPlugin
 
             if (south > north)
             {
-                CLogMessage(this).warning("Invalid grid definition: South = %1 - North = %2") << south << north;
+                CLogMessage(this).warning(u"Invalid grid definition: South = %1 - North = %2") << south << north;
                 return;
             }
 
@@ -430,7 +430,7 @@ namespace BlackWxPlugin
                 {
                     if (fabs(dy - dlatitude) > 0.001)
                     {
-                        CLogMessage(this).warning("Invalid grid definition: delta latitude is inconsistent");
+                        CLogMessage(this).warning(u"Invalid grid definition: delta latitude is inconsistent");
                         return;
                     }
                 }
@@ -460,7 +460,7 @@ namespace BlackWxPlugin
                 {
                     if (fabs(dx - fabs(dlongitude)) > 0.001)
                     {
-                        CLogMessage(this).warning("Invalid grid definition: delta longitude is inconsistent");
+                        CLogMessage(this).warning(u"Invalid grid definition: delta longitude is inconsistent");
                         return;
                     }
                 }
@@ -511,7 +511,7 @@ namespace BlackWxPlugin
         {
             if (gfld->ipdtlen != 15)
             {
-                CLogMessage(this).warning("Template 4.0 has wrong length");
+                CLogMessage(this).warning(u"Template 4.0 has wrong length");
                 return;
             }
 
@@ -525,7 +525,7 @@ namespace BlackWxPlugin
             // Make sure the key exists
             if (!m_grib2ParameterTable.contains(key))
             {
-                CLogMessage(this).warning("Unknown GRIB2 parameter: %1 - %2") << parameterCategory << parameterNumber;
+                CLogMessage(this).warning(u"Unknown GRIB2 parameter: %1 - %2") << parameterCategory << parameterNumber;
                 return;
             }
 
@@ -539,7 +539,7 @@ namespace BlackWxPlugin
                 level = std::round(millibarToLevel(valueFirstFixedSurface));
                 break;
             default:
-                CLogMessage(this).warning("Unexpected first fixed surface type: %1") << typeFirstFixedSurface;
+                CLogMessage(this).warning(u"Unexpected first fixed surface type: %1") << typeFirstFixedSurface;
                 return;
             }
 
@@ -573,7 +573,7 @@ namespace BlackWxPlugin
         {
             if (gfld->ipdtlen != 29)
             {
-                CLogMessage(this).warning("Template 4.8 has wrong length.");
+                CLogMessage(this).warning(u"Template 4.8 has wrong length.");
                 return;
             }
 
@@ -585,7 +585,7 @@ namespace BlackWxPlugin
             // Make sure the key exists
             if (!m_grib2ParameterTable.contains(key))
             {
-                CLogMessage(this).warning("Unknown GRIB2 parameter: %1 - %2") << parameterCategory << parameterNumber;
+                CLogMessage(this).warning(u"Unknown GRIB2 parameter: %1 - %2") << parameterCategory << parameterNumber;
                 return;
             }
 
diff --git a/src/swiftcore/swiftcore.cpp b/src/swiftcore/swiftcore.cpp
index 357b8d1fc..f4b22c1c3 100644
--- a/src/swiftcore/swiftcore.cpp
+++ b/src/swiftcore/swiftcore.cpp
@@ -66,7 +66,7 @@ CSwiftCore::CSwiftCore(QWidget *parent) :
     this->initAudio();
 
     // log
-    CStatusMessage m = CStatusMessage(this).info("Cmd: " + CGuiApplication::arguments().join(" "));
+    CStatusMessage m = CStatusMessage(this).info(u"Cmd: %1") << CGuiApplication::arguments().join(" ");
     this->appendLogMessage(m);
 
     // command line
diff --git a/src/swiftdata/swiftdata.cpp b/src/swiftdata/swiftdata.cpp
index 65157963a..077dcaf23 100644
--- a/src/swiftdata/swiftdata.cpp
+++ b/src/swiftdata/swiftdata.cpp
@@ -195,7 +195,7 @@ void CSwiftData::checkMinimumVersion()
     if (!sApp || sApp->isShuttingDown()) { return; }
     if (sApp->getGlobalSetup().isSwiftVersionMinimumMappingVersion())
     {
-        CLogMessage(this).info("Checked mapping tool version, required '%1', this version '%2'") << sApp->getGlobalSetup().getMappingMinimumVersionString() << CBuildConfig::getVersionString();
+        CLogMessage(this).info(u"Checked mapping tool version, required '%1', this version '%2'") << sApp->getGlobalSetup().getMappingMinimumVersionString() << CBuildConfig::getVersionString();
     }
     else
     {
diff --git a/src/swiftguistandard/swiftguistd.cpp b/src/swiftguistandard/swiftguistd.cpp
index 1f1bfbee6..a50941bf2 100644
--- a/src/swiftguistandard/swiftguistd.cpp
+++ b/src/swiftguistandard/swiftguistd.cpp
@@ -411,7 +411,7 @@ void SwiftGuiStd::verifyPrerequisites()
     CStatusMessageList msgs;
     if (!sGui->supportsContexts() || !sGui->getIContextSimulator())
     {
-        msgs.push_back(CStatusMessage(this).error("No simulator context"));
+        msgs.push_back(CStatusMessage(this).error(u"No simulator context"));
     }
     else
     {
diff --git a/src/swiftguistandard/swiftguistdapplication.cpp b/src/swiftguistandard/swiftguistdapplication.cpp
index 8dc04ca4f..fd5c3a028 100644
--- a/src/swiftguistandard/swiftguistdapplication.cpp
+++ b/src/swiftguistandard/swiftguistdapplication.cpp
@@ -41,7 +41,7 @@ CStatusMessageList CSwiftGuiStdApplication::startHookIn()
         if (coreMode == CoreModes::CoreInGuiProcess && !dBusAddress.isEmpty())
         {
             const CStatusMessage m = CStatusMessage(this, CLogCategory::validation()).
-                                     error("Inconsistent pair DBus: '%1' and core: '%2'")
+                                     error(u"Inconsistent pair DBus: '%1' and core: '%2'")
                                      << dBusAddress << coreModeStr;
             return CStatusMessageList(m) ;
         }
@@ -53,7 +53,7 @@ CStatusMessageList CSwiftGuiStdApplication::startHookIn()
     {
         coreMode = CoreModes::CoreExternalAudioGui; // default
         const CStatusMessage m = CStatusMessage(this, CLogCategory::validation()).
-                                 info("No DBus address, setting core mode: '%1'")
+                                 info(u"No DBus address, setting core mode: '%1'")
                                  << CoreModes::coreModeToString(coreMode);
         msgs.push_back(m);
     }
@@ -61,7 +61,7 @@ CStatusMessageList CSwiftGuiStdApplication::startHookIn()
     {
         dBusAddress = CDBusServer::sessionBusAddress(); // a possible default
         const CStatusMessage m = CStatusMessage(this, CLogCategory::validation()).
-                                 info("Setting DBus address to '%1'")
+                                 info(u"Setting DBus address to '%1'")
                                  << dBusAddress;
         msgs.push_back(m);
     }
diff --git a/src/swiftguistandard/swiftguistdinit.cpp b/src/swiftguistandard/swiftguistdinit.cpp
index 6bbbc06c9..d08971429 100644
--- a/src/swiftguistandard/swiftguistdinit.cpp
+++ b/src/swiftguistandard/swiftguistdinit.cpp
@@ -279,12 +279,12 @@ void SwiftGuiStd::initialContextDataReads()
     this->setContextAvailability();
     if (!m_coreAvailable)
     {
-        CLogMessage(this).error("No initial data read as network context is not available");
+        CLogMessage(this).error(u"No initial data read as network context is not available");
         return;
     }
 
     this->reloadOwnAircraft(); // init read, independent of traffic network
-    CLogMessage(this).info("Initial data read");
+    CLogMessage(this).info(u"Initial data read");
 }
 
 void SwiftGuiStd::stopAllTimers(bool disconnectSignalSlots)
diff --git a/src/swiftguistandard/swiftguistdmenus.cpp b/src/swiftguistandard/swiftguistdmenus.cpp
index e46d31101..5d526e26c 100644
--- a/src/swiftguistandard/swiftguistdmenus.cpp
+++ b/src/swiftguistandard/swiftguistdmenus.cpp
@@ -95,17 +95,17 @@ void SwiftGuiStd::attachSimulatorWindow()
     QWindow *w = CForeignWindows::getFirstFoundSimulatorWindow();
     if (!w)
     {
-        CLogMessage(this).warning("No simulator window found");
+        CLogMessage(this).warning(u"No simulator window found");
         return;
     }
     const bool a = CForeignWindows::setSimulatorAsParent(w, this);
     if (a)
     {
-        CLogMessage(this).info("Attached to simulator");
+        CLogMessage(this).info(u"Attached to simulator");
     }
     else
     {
-        CLogMessage(this).warning("No simulator window found");
+        CLogMessage(this).warning(u"No simulator window found");
     }
 }
 
@@ -113,11 +113,11 @@ void SwiftGuiStd::detachSimulatorWindow()
 {
     if (CForeignWindows::unsetSimulatorAsParent(this))
     {
-        CLogMessage(this).info("Detached simulator window");
+        CLogMessage(this).info(u"Detached simulator window");
     }
     else
     {
-        CLogMessage(this).info("No simulator window to detach");
+        CLogMessage(this).info(u"No simulator window to detach");
     }
 }
 
@@ -173,5 +173,5 @@ void SwiftGuiStd::copyXSwiftBusDialog(bool checkFileTimestamp)
     }
 
     const int c = CCopyXSwiftBusDialog::displayDialogAndCopyBuildFiles(xPlaneRootDir, checkFileTimestamp, this);
-    if (c > 0) { CLogMessage(this).info("Copied %1 files from build directory") << c; }
+    if (c > 0) { CLogMessage(this).info(u"Copied %1 files from build directory") << c; }
 }
diff --git a/src/swiftlauncher/swiftlauncher.cpp b/src/swiftlauncher/swiftlauncher.cpp
index 35cec0086..43d36f24d 100644
--- a/src/swiftlauncher/swiftlauncher.cpp
+++ b/src/swiftlauncher/swiftlauncher.cpp
@@ -136,7 +136,7 @@ void CSwiftLauncher::displayLatestNews(QNetworkReply *reply)
     {
         const QString html = nwReply->readAll().trimmed();
         if (html.isEmpty()) { return; }
-        CLogMessage(this).info("Received news from '%1'") << nwReply->url().toString();
+        CLogMessage(this).info(u"Received news from '%1'") << nwReply->url().toString();
         ui->tbr_LatestNews->setHtml(html); // causes QFSFileEngine::open: No file name specified
         constexpr qint64 newNews = 72 * 3600 * 1000;
         const qint64 deltaT = CNetworkUtils::lastModifiedSinceNow(nwReply.data());
@@ -147,7 +147,7 @@ void CSwiftLauncher::displayLatestNews(QNetworkReply *reply)
     }
     else
     {
-        CLogMessage(this).warning("Error received news from '%1'") << nwReply->url().toString();
+        CLogMessage(this).warning(u"Error received news from '%1'") << nwReply->url().toString();
     }
 }
 
@@ -202,7 +202,7 @@ void CSwiftLauncher::loadLatestNews()
 
     if (newsUrl.isEmpty())
     {
-        CLogMessage(this).warning("No working news URL in %1") << newsUrls.toQString();
+        CLogMessage(this).warning(u"No working news URL in %1") << newsUrls.toQString();
         return;
     }
     sGui->getFromNetwork(newsUrl, { this, &CSwiftLauncher::displayLatestNews});