diff --git a/src/blackcore/context_application.h b/src/blackcore/context_application.h
index 5722c99a5..567f27410 100644
--- a/src/blackcore/context_application.h
+++ b/src/blackcore/context_application.h
@@ -66,6 +66,9 @@ namespace BlackCore
             ActionStops
         };
 
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.application"; }
+
         //! Service name
         static const QString &InterfaceName()
         {
diff --git a/src/blackcore/context_application_impl.cpp b/src/blackcore/context_application_impl.cpp
index 15a7adc29..537a07437 100644
--- a/src/blackcore/context_application_impl.cpp
+++ b/src/blackcore/context_application_impl.cpp
@@ -7,6 +7,7 @@
 #include "context_runtime.h"
 #include "input_manager.h"
 #include "blackmisc/settingutilities.h"
+#include "blackmisc/logmessage.h"
 #include <QtMsgHandler>
 #include <QFile>
 
@@ -50,7 +51,7 @@ namespace BlackCore
      */
     void CContextApplication::notifyAboutComponentChange(uint component, uint action)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { QString::number(component), QString::number(action) });
+        CLogMessage().debug(this) << Q_FUNC_INFO << QString::number(component) << QString::number(action);
         this->componentChanged(component, action);
     }
 
@@ -59,7 +60,7 @@ namespace BlackCore
      */
     bool CContextApplication::writeToFile(const QString &fileName, const QString &content)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { fileName, content.left(25) });
+        CLogMessage().debug(this) << Q_FUNC_INFO << fileName << content.left(25);
         if (fileName.isEmpty()) return false;
         QFile file(fileName);
         if (file.open(QIODevice::WriteOnly | QIODevice::Text))
@@ -76,7 +77,7 @@ namespace BlackCore
      */
     QString CContextApplication::readFromFile(const QString &fileName)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, fileName);
+        CLogMessage().debug(this) << Q_FUNC_INFO << fileName;
         QFile file(fileName);
         QString content;
         if (fileName.isEmpty()) return content;
diff --git a/src/blackcore/context_audio.h b/src/blackcore/context_audio.h
index 8b9ada420..7acacbb78 100644
--- a/src/blackcore/context_audio.h
+++ b/src/blackcore/context_audio.h
@@ -43,6 +43,9 @@ namespace BlackCore
         IContextAudio(CRuntimeConfig::ContextMode mode, CRuntime *runtime) : CContext(mode, runtime) {}
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.audio"; }
+
         //! \brief Interface name
         static const QString &InterfaceName()
         {
diff --git a/src/blackcore/context_audio_impl.cpp b/src/blackcore/context_audio_impl.cpp
index 662a2a3a0..90fb5d215 100644
--- a/src/blackcore/context_audio_impl.cpp
+++ b/src/blackcore/context_audio_impl.cpp
@@ -13,6 +13,7 @@
 #include "blackmisc/notificationsounds.h"
 #include "blackmisc/voiceroomlist.h"
 #include "blackmisc/hotkeyfunction.h"
+#include "blackmisc/logmessage.h"
 
 #include <QTimer>
 
@@ -76,7 +77,7 @@ namespace BlackCore
     CVoiceRoomList CContextAudio::getComVoiceRoomsWithAudioStatus() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return getComVoiceRooms();
     }
 
@@ -86,7 +87,7 @@ namespace BlackCore
     CVoiceRoom CContextAudio::getCom1VoiceRoom(bool withAudioStatus) const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, withAudioStatus);
+        CLogMessage().debug(this) << Q_FUNC_INFO << withAudioStatus;
         // We always have the audio status due to shared status
         return m_channelCom1->getVoiceRoom();
     }
@@ -97,7 +98,7 @@ namespace BlackCore
     CVoiceRoom CContextAudio::getCom2VoiceRoom(bool withAudioStatus) const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, withAudioStatus);
+        CLogMessage().debug(this) << Q_FUNC_INFO << withAudioStatus;
         // We always have the audio status due to shared status
         return m_channelCom2->getVoiceRoom();
     }
@@ -108,7 +109,7 @@ namespace BlackCore
     CVoiceRoomList CContextAudio::getComVoiceRooms() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         CVoiceRoomList voiceRoomList;
         voiceRoomList.push_back(m_channelCom1->getVoiceRoom());
         voiceRoomList.push_back(m_channelCom2->getVoiceRoom());
@@ -121,7 +122,7 @@ namespace BlackCore
     void CContextAudio::leaveAllVoiceRooms()
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         m_channelCom1->leaveVoiceRoom();
         m_channelCom2->leaveVoiceRoom();
     }
@@ -132,7 +133,7 @@ namespace BlackCore
     CAudioDeviceList CContextAudio::getAudioDevices() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->m_voice->audioDevices();
     }
 
@@ -142,7 +143,7 @@ namespace BlackCore
     CAudioDeviceList CContextAudio::getCurrentAudioDevices() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         CAudioDeviceList devices;
         devices.push_back(this->m_voice->getCurrentInputDevice());
         devices.push_back(this->m_voice->getCurrentOutputDevice());
@@ -156,7 +157,7 @@ namespace BlackCore
     {
         Q_ASSERT(this->m_voice);
         Q_ASSERT(audioDevice.getType() != CAudioDevice::Unknown);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, audioDevice.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << audioDevice;
         if (audioDevice.getType() == CAudioDevice::InputDevice)
         {
             this->m_voice->setInputDevice(audioDevice);
@@ -173,7 +174,7 @@ namespace BlackCore
     void CContextAudio::setVolumes(const CComSystem &com1, const CComSystem &com2)
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { com1.toQString(), com2.toQString() });
+        CLogMessage().debug(this) << Q_FUNC_INFO << com1 << com2;
 
         // volumes
         qint32 vol1 = com1.getVolumeOutput();
@@ -192,7 +193,7 @@ namespace BlackCore
     bool CContextAudio::isMuted() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return m_channelCom1->isMuted() && m_channelCom2->isMuted();
     }
 
@@ -203,7 +204,7 @@ namespace BlackCore
     {
         Q_ASSERT(this->m_voice);
         Q_ASSERT(newRooms.size() == 2);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, newRooms.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << newRooms;
 
         CVoiceRoomList currentRooms = getComVoiceRooms();
         CVoiceRoom currentRoom1 = currentRooms[0];
@@ -244,7 +245,7 @@ namespace BlackCore
     CCallsignList CContextAudio::getCom1RoomCallsigns() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return m_channelCom1->getVoiceRoomCallsigns();
     }
 
@@ -254,7 +255,7 @@ namespace BlackCore
     CCallsignList CContextAudio::getCom2RoomCallsigns() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return m_channelCom2->getVoiceRoomCallsigns();
     }
 
@@ -266,7 +267,7 @@ namespace BlackCore
         Q_ASSERT(this->m_voice);
         Q_ASSERT(this->getRuntime());
         if (!this->getRuntime()->getIContextNetwork()) return Network::CUserList();
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->getIContextNetwork()->getUsersForCallsigns(this->getCom1RoomCallsigns());
     }
 
@@ -278,7 +279,7 @@ namespace BlackCore
         Q_ASSERT(this->m_voice);
         Q_ASSERT(this->getRuntime());
         if (!this->getRuntime()->getIContextNetwork()) return Network::CUserList();
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->getIContextNetwork()->getUsersForCallsigns(this->getCom2RoomCallsigns());
     }
 
@@ -288,7 +289,7 @@ namespace BlackCore
     void CContextAudio::playSelcalTone(const CSelcal &selcal) const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, selcal.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << selcal;
         CAudioDevice outputDevice = m_voice->getCurrentOutputDevice();
         BlackSound::CSoundGenerator::playSelcal(90, selcal, outputDevice);
     }
@@ -299,7 +300,7 @@ namespace BlackCore
     void CContextAudio::playNotification(uint notification, bool considerSettings) const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, QString::number(notification));
+        CLogMessage().debug(this) << Q_FUNC_INFO << notification;
 
         auto notificationSound = static_cast<BlackSound::CNotificationSounds::Notification>(notification);
         if (considerSettings)
@@ -326,7 +327,7 @@ namespace BlackCore
     void CContextAudio::runMicrophoneTest()
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         this->m_voice->runMicrophoneTest();
     }
 
@@ -336,7 +337,7 @@ namespace BlackCore
     void CContextAudio::runSquelchTest()
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         this->m_voice->runSquelchTest();
     }
 
@@ -346,7 +347,7 @@ namespace BlackCore
     QString CContextAudio::getMicrophoneTestResult() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->m_voice->micTestResultAsString();
     }
 
@@ -356,7 +357,7 @@ namespace BlackCore
     double CContextAudio::getSquelchValue() const
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return static_cast<double>(this->m_voice->inputSquelch());
     }
 
@@ -366,7 +367,7 @@ namespace BlackCore
     void CContextAudio::enableAudioLoopback(bool enable)
     {
         Q_ASSERT(this->m_voice);
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         m_voice->enableAudioLoopback(enable);
     }
 
diff --git a/src/blackcore/context_network.h b/src/blackcore/context_network.h
index 8cbf10d9f..342af39aa 100644
--- a/src/blackcore/context_network.h
+++ b/src/blackcore/context_network.h
@@ -43,6 +43,9 @@ namespace BlackCore
         Q_CLASSINFO("D-Bus Interface", BLACKCORE_CONTEXTNETWORK_INTERFACENAME)
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.network"; }
+
         //! DBus interface name
         static const QString &InterfaceName()
         {
@@ -144,13 +147,13 @@ namespace BlackCore
          * \return messages gererated during connecting
          * \see INetwork::LoginMode
          */
-        virtual BlackMisc::CStatusMessageList connectToNetwork(uint loginMode) = 0;
+        virtual BlackMisc::CStatusMessage connectToNetwork(uint loginMode) = 0;
 
         /*!
          * Disconnect from network
          * \return messages generated during disconnecting
          */
-        virtual BlackMisc::CStatusMessageList disconnectFromNetwork() = 0;
+        virtual BlackMisc::CStatusMessage disconnectFromNetwork() = 0;
 
         //! Network connected?
         virtual bool isConnected() const = 0;
diff --git a/src/blackcore/context_network_impl.cpp b/src/blackcore/context_network_impl.cpp
index 84d6e9f36..5aecb1f9f 100644
--- a/src/blackcore/context_network_impl.cpp
+++ b/src/blackcore/context_network_impl.cpp
@@ -19,6 +19,7 @@
 
 #include "blackmisc/networkutils.h"
 #include "blackmisc/avatcstationlist.h"
+#include "blackmisc/logmessage.h"
 
 #include <QtXml/QDomElement>
 #include <QNetworkReply>
@@ -104,32 +105,31 @@ namespace BlackCore
     /*
      * Connect to network
      */
-    CStatusMessageList CContextNetwork::connectToNetwork(uint loginMode)
+    CStatusMessage CContextNetwork::connectToNetwork(uint loginMode)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
-        CStatusMessageList msgs;
-        QString msg;
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         CServer currentServer = this->getIContextSettings()->getNetworkSettings().getCurrentTrafficNetworkServer();
 
+        QString msg;
         if (!currentServer.getUser().isValid())
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Invalid user credentials"));
+            return CLogMessage().error(this, "Invalid user credentials");
         }
         else if (!this->ownAircraft().getIcaoInfo().hasAircraftAndAirlineDesignator())
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Invalid ICAO data for own aircraft"));
+            return CLogMessage().error(this, "Invalid ICAO data for own aircraft");
         }
         else if (!CNetworkUtils::canConnect(currentServer, msg, 2000))
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityError, msg));
+            return CLogMessage().error(this, msg);
         }
         else if (this->m_network->isConnected())
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Already connected"));
+            return CLogMessage().error(this, "Already connected");
         }
         else if (this->isPendingConnection())
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Pending connection, please wait"));
+            return CLogMessage().error(this, "Pending connection, please wait");
         }
         else
         {
@@ -143,36 +143,31 @@ namespace BlackCore
             this->m_network->presetIcaoCodes(ownAircraft.getIcaoInfo());
             this->m_network->setOwnAircraft(ownAircraft);
             this->m_network->initiateConnection();
-            msg = "Connection pending ";
-            msg.append(" ").append(currentServer.getAddress()).append(" ").append(QString::number(currentServer.getPort()));
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityInfo, msg));
+            return CLogMessage().info(this, "Connection pending %1 %2") << currentServer.getAddress() << currentServer.getPort();
         }
-        return msgs;
     }
 
     /*
      * Disconnect from network
      */
-    CStatusMessageList CContextNetwork::disconnectFromNetwork()
+    CStatusMessage CContextNetwork::disconnectFromNetwork()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
-        CStatusMessageList msgs;
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (this->m_network->isConnected())
         {
             this->m_currentStatus = INetwork::Disconnecting; // as semaphore we are going to disconnect
             this->m_network->terminateConnection();
             this->m_airspace->clear();
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityInfo, "Connection terminating"));
+            return CLogMessage().info(this, "Connection terminating");
         }
         else if (this->isPendingConnection())
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Pending connection, please wait"));
+            return CLogMessage().warning(this, "Pending connection, please wait");
         }
         else
         {
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityWarning, "Already disconnected"));
+            return CLogMessage().warning(this, "Already disconnected");
         }
-        return msgs;
     }
 
     /*
@@ -180,7 +175,7 @@ namespace BlackCore
      */
     bool CContextNetwork::isConnected() const
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->m_network->isConnected();
     }
 
@@ -198,7 +193,7 @@ namespace BlackCore
      */
     void CContextNetwork::sendTextMessages(const CTextMessageList &textMessages)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, textMessages.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << textMessages;
         this->m_network->sendTextMessages(textMessages);
     }
 
@@ -207,14 +202,14 @@ namespace BlackCore
      */
     void CContextNetwork::sendFlightPlan(const CFlightPlan &flightPlan)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, flightPlan.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << flightPlan;
         this->m_network->sendFlightPlan(flightPlan);
         this->m_network->sendFlightPlanQuery(this->ownAircraft().getCallsign());
     }
 
     CFlightPlan CContextNetwork::loadFlightPlanFromNetwork(const BlackMisc::Aviation::CCallsign &callsign) const
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         return this->m_airspace->loadFlightPlanFromNetwork(callsign);
     }
 
@@ -269,8 +264,8 @@ namespace BlackCore
      */
     void CContextNetwork::ps_fsdConnectionStatusChanged(INetwork::ConnectionStatus from, INetwork::ConnectionStatus to, const QString &message)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { QString::number(from), QString::number(to) });
-        INetwork::ConnectionStatus fromOld = this->m_currentStatus;
+        CLogMessage().debug(this) << Q_FUNC_INFO << from << to;
+        auto fromOld = this->m_currentStatus;
         this->m_currentStatus = to;
 
         if (fromOld == INetwork::Disconnecting)
@@ -280,26 +275,20 @@ namespace BlackCore
             from = INetwork::Disconnecting;
         }
 
-        CStatusMessageList msgs;
         // send 1st position
         if (to == INetwork::Connected)
         {
-            QString m("Connected, own aircraft ");
-            m.append(this->ownAircraft().toQString(true));
-            msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork, CStatusMessage::SeverityInfo, m));
+            CLogMessage().info(this, "Connected, own aircraft %1") << this->ownAircraft().toQString();
         }
 
         // send as message
-        QString m("Connection status changed from %1 to %2");
-        m = m.arg(INetwork::connectionStatusToString(from), INetwork::connectionStatusToString(to));
-        if (!message.isEmpty()) m.append(" ").append(message);
-        msgs.push_back(CStatusMessage(CStatusMessage::TypeTrafficNetwork,
-                                      to == INetwork::DisconnectedError ? CStatusMessage::SeverityError : CStatusMessage::SeverityInfo, m));
-        // FIXME (MS) conditional increases the number of scenarios which must be considered and continuously tested
-        // This is more a guard than a real conditional, e.g. when system shuts down
-        if (this->getIContextApplication())
+        if (to == INetwork::DisconnectedError)
         {
-            this->getIContextApplication()->sendStatusMessages(msgs);
+            CLogMessage().error(this, "Connection status changed from %1 to %2 %3") << INetwork::connectionStatusToString(from) << INetwork::connectionStatusToString(to) << message;
+        }
+        else
+        {
+            CLogMessage().info(this, "Connection status changed from %1 to %2 %3") << INetwork::connectionStatusToString(from) << INetwork::connectionStatusToString(to) << message;
         }
 
         // send as own signal
@@ -311,11 +300,8 @@ namespace BlackCore
      */
     void CContextNetwork::ps_dataFileRead()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
-        if (this->getIContextApplication())
-        {
-            this->getIContextApplication()->sendStatusMessage(CStatusMessage::getInfoMessage("Read VATSIM data file", CStatusMessage::TypeTrafficNetwork));
-        }
+        CLogMessage().debug(this) << Q_FUNC_INFO;
+        CLogMessage().info(this, "Read VATSIM data file");
     }
 
     /*
@@ -323,7 +309,7 @@ namespace BlackCore
      */
     void CContextNetwork::ps_fsdTextMessageReceived(const CTextMessageList &messages)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, messages.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << messages;
         this->textMessagesReceived(messages); // relay
     }
 
@@ -355,8 +341,7 @@ namespace BlackCore
      */
     void CContextNetwork::ps_receivedBookings(const CAtcStationList &)
     {
-        // TODO (MS) no test for if (this->getIContextApplication()) here?
-        this->getIContextApplication()->sendStatusMessage(CStatusMessage::getInfoMessage("Read bookings from network", CStatusMessage::TypeTrafficNetwork));
+        CLogMessage().info(this, "Read bookings from network");
     }
 
     /*
@@ -395,7 +380,7 @@ namespace BlackCore
      */
     BlackMisc::Aviation::CInformationMessage CContextNetwork::getMetar(const BlackMisc::Aviation::CAirportIcao &airportIcaoCode)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, airportIcaoCode.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << airportIcaoCode;
         return m_airspace->getMetar(airportIcaoCode);
     }
 
diff --git a/src/blackcore/context_network_impl.h b/src/blackcore/context_network_impl.h
index 9fdc2f203..c85f90e66 100644
--- a/src/blackcore/context_network_impl.h
+++ b/src/blackcore/context_network_impl.h
@@ -22,6 +22,7 @@
 #include "blackmisc/setnetwork.h"
 #include "blackmisc/nwclientlist.h"
 #include "blackmisc/digestsignal.h"
+#include "blackmisc/logmessage.h"
 
 #include <QMap>
 
@@ -55,29 +56,29 @@ namespace BlackCore
         //! \copydoc IContextNetwork::getAtcStationsOnline()
         virtual const BlackMisc::Aviation::CAtcStationList getAtcStationsOnline() const override
         {
-            this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+            BlackMisc::CLogMessage().debug(this) << Q_FUNC_INFO;
             return this->m_airspace->getAtcStationsOnline();
         }
 
         //! \copydoc IContextNetwork::getAtcStationsBooked()
         virtual const BlackMisc::Aviation::CAtcStationList getAtcStationsBooked() const override
         {
-            this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+            BlackMisc::CLogMessage().debug(this) << Q_FUNC_INFO;
             return this->m_airspace->getAtcStationsBooked();
         }
 
         //! \copydoc IContextNetwork::getAircraftsInRange()
         virtual const BlackMisc::Aviation::CAircraftList getAircraftsInRange() const override
         {
-            this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+            BlackMisc::CLogMessage().debug(this) << Q_FUNC_INFO;
             return this->m_airspace->getAircraftInRange();
         }
 
         //! \copydoc IContextNetwork::connectToNetwork()
-        virtual BlackMisc::CStatusMessageList connectToNetwork(uint mode) override;
+        virtual BlackMisc::CStatusMessage connectToNetwork(uint mode) override;
 
         //! \copydoc IContextNetwork::disconnectFromNetwork()
-        virtual BlackMisc::CStatusMessageList disconnectFromNetwork() override;
+        virtual BlackMisc::CStatusMessage disconnectFromNetwork() override;
 
         //! \copydoc IContextNetwork::isConnected()
         virtual bool isConnected() const override;
diff --git a/src/blackcore/context_network_proxy.cpp b/src/blackcore/context_network_proxy.cpp
index 0dac982d9..0610f7d79 100644
--- a/src/blackcore/context_network_proxy.cpp
+++ b/src/blackcore/context_network_proxy.cpp
@@ -131,14 +131,14 @@ namespace BlackCore
         this->m_dBusInterface->callDBus(QLatin1Literal("testCreateDummyOnlineAtcStations"), number);
     }
 
-    BlackMisc::CStatusMessageList CContextNetworkProxy::connectToNetwork(uint loginMode)
+    BlackMisc::CStatusMessage CContextNetworkProxy::connectToNetwork(uint loginMode)
     {
-        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessageList>(QLatin1Literal("connectToNetwork"), loginMode);
+        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessage>(QLatin1Literal("connectToNetwork"), loginMode);
     }
 
-    BlackMisc::CStatusMessageList CContextNetworkProxy::disconnectFromNetwork()
+    BlackMisc::CStatusMessage CContextNetworkProxy::disconnectFromNetwork()
     {
-        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessageList>(QLatin1Literal("disconnectFromNetwork"));
+        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessage>(QLatin1Literal("disconnectFromNetwork"));
     }
 
     bool CContextNetworkProxy::isConnected() const
diff --git a/src/blackcore/context_network_proxy.h b/src/blackcore/context_network_proxy.h
index b9de794c3..c13c5b148 100644
--- a/src/blackcore/context_network_proxy.h
+++ b/src/blackcore/context_network_proxy.h
@@ -60,10 +60,10 @@ namespace BlackCore
         virtual const BlackMisc::Aviation::CAircraftList getAircraftsInRange() const override;
 
         //! \copydoc IContextNetwork::connectToNetwork()
-        virtual BlackMisc::CStatusMessageList connectToNetwork(uint mode) override;
+        virtual BlackMisc::CStatusMessage connectToNetwork(uint mode) override;
 
         //! \copydoc IContextNetwork::disconnectFromNetwork()
-        virtual BlackMisc::CStatusMessageList disconnectFromNetwork() override;
+        virtual BlackMisc::CStatusMessage disconnectFromNetwork() override;
 
         //! \copydoc IContextNetwork::isConnected()
         virtual bool isConnected() const override;
diff --git a/src/blackcore/context_ownaircraft.h b/src/blackcore/context_ownaircraft.h
index 371bdaa72..6bec21228 100644
--- a/src/blackcore/context_ownaircraft.h
+++ b/src/blackcore/context_ownaircraft.h
@@ -34,6 +34,9 @@ namespace BlackCore
         Q_CLASSINFO("D-Bus Interface", BLACKCORE_CONTEXTOWNAIRCRAFT_INTERFACENAME)
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.ownaircraft"; }
+
         //! DBus interface name
         static const QString &InterfaceName()
         {
diff --git a/src/blackcore/context_ownaircraft_impl.cpp b/src/blackcore/context_ownaircraft_impl.cpp
index 7dd4dc0bd..12fd10a9c 100644
--- a/src/blackcore/context_ownaircraft_impl.cpp
+++ b/src/blackcore/context_ownaircraft_impl.cpp
@@ -8,6 +8,7 @@
 #include "context_audio.h"
 #include "context_runtime.h"
 #include "context_settings.h"
+#include "blackmisc/logmessage.h"
 
 using namespace BlackMisc;
 using namespace BlackMisc::PhysicalQuantities;
@@ -70,7 +71,7 @@ namespace BlackCore
      */
     void CContextOwnAircraft::resolveVoiceRooms()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (this->m_voiceRoom1UrlOverride.isEmpty() && this->m_voiceRoom2UrlOverride.isEmpty() && !this->m_automaticVoiceRoomResolution) return;
         if (!this->getIContextNetwork()) return; // no chance to resolve rooms
         if (!this->getIContextAudio()) return; // no place to set rooms
@@ -93,7 +94,7 @@ namespace BlackCore
      */
     void CContextOwnAircraft::updateOwnAircraft(const BlackMisc::Aviation::CAircraft &aircraft, const QString &originator)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { ownAircraft().toQString(), originator });
+        CLogMessage().debug(this) << Q_FUNC_INFO << ownAircraft() << originator;
 
         // trigger the correct signals
         bool changedCockpit = this->updateOwnCockpit(aircraft.getCom1System(), aircraft.getCom2System(), aircraft.getTransponder(), originator);
@@ -120,7 +121,7 @@ namespace BlackCore
      */
     bool CContextOwnAircraft::updateOwnPosition(const BlackMisc::Geo::CCoordinateGeodetic &position, const BlackMisc::Aviation::CAltitude &altitude, const QString &originator)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { position.toQString(), altitude.toQString(), originator });
+        CLogMessage().debug(this) << Q_FUNC_INFO << position << altitude << originator;
         bool changed = (this->m_ownAircraft.getPosition() != position);
         if (changed) this->m_ownAircraft.setPosition(position);
 
@@ -143,7 +144,7 @@ namespace BlackCore
      */
     bool CContextOwnAircraft::updateOwnSituation(const BlackMisc::Aviation::CAircraftSituation &situation, const QString &originator)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, situation.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << situation;
         bool changed = this->m_ownAircraft.getSituation() != situation;
         if (!changed) return changed;
 
@@ -161,7 +162,7 @@ namespace BlackCore
      */
     bool CContextOwnAircraft::updateOwnCockpit(const BlackMisc::Aviation::CComSystem &com1, const BlackMisc::Aviation::CComSystem &com2, const BlackMisc::Aviation::CTransponder &transponder, const QString &originator)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { com1.toQString(), com2.toQString(), transponder.toQString() });
+        CLogMessage().debug(this) << Q_FUNC_INFO << com1 << com2 << transponder;
         bool changed = this->m_ownAircraft.hasChangedCockpitData(com1, com2, transponder);
         if (changed)
         {
@@ -183,7 +184,7 @@ namespace BlackCore
 
     void CContextOwnAircraft::setAudioOutputVolumes(int outputVolumeCom1, int outputVolumeCom2)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { QString::number(outputVolumeCom1), QString::number(outputVolumeCom2) });
+        CLogMessage().debug(this) << Q_FUNC_INFO << outputVolumeCom1 << outputVolumeCom2;
 
         CComSystem com1 = this->m_ownAircraft.getCom1System();
         com1.setVolumeOutput(outputVolumeCom1);
@@ -213,7 +214,7 @@ namespace BlackCore
      */
     void CContextOwnAircraft::setAudioVoiceRoomOverrideUrls(const QString &voiceRoom1Url, const QString &voiceRoom2Url)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, { voiceRoom1Url, voiceRoom2Url });
+        CLogMessage().debug(this) << Q_FUNC_INFO << voiceRoom1Url << voiceRoom2Url;
 
         this->m_voiceRoom1UrlOverride = voiceRoom1Url.trimmed();
         this->m_voiceRoom2UrlOverride = voiceRoom2Url.trimmed();
@@ -225,7 +226,7 @@ namespace BlackCore
      */
     void CContextOwnAircraft::enableAutomaticVoiceRoomResolution(bool enable)
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, enable);
+        CLogMessage().debug(this) << Q_FUNC_INFO << enable;
         this->m_automaticVoiceRoomResolution = enable;
     }
 
@@ -234,7 +235,7 @@ namespace BlackCore
      */
     CAircraft CContextOwnAircraft::getOwnAircraft() const
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO, this->m_ownAircraft.toQString());
+        CLogMessage().debug(this) << Q_FUNC_INFO << this->m_ownAircraft;
         return this->m_ownAircraft;
     }
 
diff --git a/src/blackcore/context_runtime.cpp b/src/blackcore/context_runtime.cpp
index db7964cea..c90a8f543 100644
--- a/src/blackcore/context_runtime.cpp
+++ b/src/blackcore/context_runtime.cpp
@@ -8,6 +8,7 @@
 #include "blackmisc/statusmessagelist.h"
 #include "blackmisc/avaircraft.h"
 #include "blackmisc/blackmiscfreefunctions.h"
+#include "blackmisc/logmessage.h"
 #include "blackcore/context_runtime.h"
 
 #include <QDebug>
@@ -442,8 +443,7 @@ namespace BlackCore
                 connect(this->m_contextSettings, &IContextSettings::changedSettings, this->m_contextSimulator, &IContextSimulator::settingsChanged);
                 if (!this->m_contextSimulator->loadSimulatorPluginFromSettings())
                 {
-                    qWarning() << "No simulator plugin loaded";
-                    this->sendStatusMessage(CStatusMessage::getWarningMessage("No simulator plugin loaded", CStatusMessage::TypeSimulator));
+                    CLogMessage().warning(this, "No simulator plugin loaded");
                 }
             }
         }
diff --git a/src/blackcore/context_runtime.h b/src/blackcore/context_runtime.h
index 370a85ab3..46dc030cd 100644
--- a/src/blackcore/context_runtime.h
+++ b/src/blackcore/context_runtime.h
@@ -34,6 +34,8 @@ namespace BlackCore
         Q_OBJECT
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.runtime"; }
         //! Tags to identify the context when logging a slot
         enum LogContext
         {
diff --git a/src/blackcore/context_settings.h b/src/blackcore/context_settings.h
index d73905494..d033159b1 100644
--- a/src/blackcore/context_settings.h
+++ b/src/blackcore/context_settings.h
@@ -56,6 +56,8 @@ namespace BlackCore
         {}
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.settings"; }
 
         //! Service name
         static const QString &InterfaceName()
diff --git a/src/blackcore/context_settings_impl.cpp b/src/blackcore/context_settings_impl.cpp
index 489dff688..e2b416ca6 100644
--- a/src/blackcore/context_settings_impl.cpp
+++ b/src/blackcore/context_settings_impl.cpp
@@ -8,6 +8,7 @@
 
 #include "blackmisc/settingutilities.h"
 #include "blackmisc/blackmiscfreefunctions.h"
+#include "blackmisc/logmessage.h"
 #include <QFile>
 #include <QJsonDocument>
 
@@ -32,8 +33,7 @@ namespace BlackCore
     {
         if (!CSettingUtilities::initSettingsDirectory())
         {
-            return CStatusMessage(CStatusMessage::TypeCore, CStatusMessage::SeverityError,
-                                  QString("Cannot init directory: %1").arg(this->getSettingsDirectory()));
+            return CLogMessage().error(this, "Cannot init directory: %1") << this->getSettingsDirectory();
         }
         bool ok = false;
         QFile jsonFile(this->getSettingsFileName());
@@ -94,13 +94,11 @@ namespace BlackCore
 
         if (ok)
         {
-            return CStatusMessage(CStatusMessage::TypeCore, CStatusMessage::SeverityInfo,
-                                  QString("Read settings: %1").arg(this->getSettingsFileName()));
+            return CLogMessage().info(this, "Read settings: %1") << this->getSettingsFileName();
         }
         else
         {
-            return CStatusMessage(CStatusMessage::TypeCore, CStatusMessage::SeverityError,
-                                  QString("Problem reading settings: %1").arg(this->getSettingsFileName()));
+            return CLogMessage().error(this, "Problem reading settings: %1") << this->getSettingsFileName();
         }
     }
 
@@ -111,8 +109,7 @@ namespace BlackCore
     {
         if (!CSettingUtilities::initSettingsDirectory())
         {
-            return CStatusMessage(CStatusMessage::TypeCore, CStatusMessage::SeverityError,
-                                  QString("Cannot init directory: %1").arg(this->getSettingsDirectory()));
+            return CLogMessage().error(this, "Cannot init directory: %1") << this->getSettingsDirectory();
         }
         QFile jsonFile(this->getSettingsFileName());
         bool ok = false;
@@ -124,13 +121,11 @@ namespace BlackCore
         }
         if (ok)
         {
-            return CStatusMessage(CStatusMessage::TypeSettings, CStatusMessage::SeverityInfo,
-                                  QString("Written settings: %1").arg(this->getSettingsFileName()));
+            return CLogMessage().info(this, "Written settings: %1") << this->getSettingsFileName();
         }
         else
         {
-            return CStatusMessage(CStatusMessage::TypeSettings, CStatusMessage::SeverityError,
-                                  QString("Problem writing settings: %1").arg(this->getSettingsFileName()));
+            return CLogMessage().error(this, "Problem writing settings: %1") << this->getSettingsFileName();
         }
     }
 
@@ -147,9 +142,7 @@ namespace BlackCore
         if (write)
             return this->write();
         else
-            return CStatusMessage(CStatusMessage::TypeSettings, CStatusMessage::SeverityInfo,
-                                  QString("Reset settings data, not written"));
-
+            return CLogMessage().info(this, "Reset settings data, not written");
     }
 
     QString CContextSettings::getSettingsAsJsonString() const
@@ -244,7 +237,7 @@ namespace BlackCore
         bool changed = false;
         if (path.startsWith(IContextSettings::PathNetworkSettings()))
         {
-            msgs = this->m_settingsNetwork.value(nextLevelPath, command, value, changed);
+            msgs.push_back(this->m_settingsNetwork.value(nextLevelPath, command, value, changed));
             if (changed)
             {
                 msgs.push_back(this->write());
@@ -253,7 +246,7 @@ namespace BlackCore
         }
         else if (path.startsWith(IContextSettings::PathAudioSettings()))
         {
-            msgs = this->m_settingsAudio.value(nextLevelPath, command, value, changed);
+            msgs.push_back(this->m_settingsAudio.value(nextLevelPath, command, value, changed));
             if (changed)
             {
                 msgs.push_back(this->write());
@@ -262,7 +255,7 @@ namespace BlackCore
         }
         else if (path.startsWith(IContextSettings::PathSimulatorSettings()))
         {
-            msgs = this->m_settingsSimulator.value(nextLevelPath, command, value, changed);
+            msgs.push_back(this->m_settingsSimulator.value(nextLevelPath, command, value, changed));
             if (changed)
             {
                 msgs.push_back(this->write());
@@ -271,8 +264,7 @@ namespace BlackCore
         }
         else
         {
-            // wrong path
-            msgs  = CSettingUtilities::wrongPathMessages(path);
+            msgs.push_back(CLogMessage().error(CSettingUtilities::validationMessageCategory(), "wrong path: %1") << path);
         }
         return msgs;
     }
diff --git a/src/blackcore/context_simulator.h b/src/blackcore/context_simulator.h
index 0efd2ed67..d9890565b 100644
--- a/src/blackcore/context_simulator.h
+++ b/src/blackcore/context_simulator.h
@@ -39,6 +39,9 @@ namespace BlackCore
         Q_CLASSINFO("D-Bus Interface", BLACKCORE_CONTEXTSIMULATOR_INTERFACENAME)
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.context.simulator"; }
+
         //! Service name
         static const QString &InterfaceName()
         {
diff --git a/src/blackcore/context_simulator_impl.cpp b/src/blackcore/context_simulator_impl.cpp
index 82070409c..351fe6d7f 100644
--- a/src/blackcore/context_simulator_impl.cpp
+++ b/src/blackcore/context_simulator_impl.cpp
@@ -9,6 +9,7 @@
 #include "context_application.h"
 #include "context_network_impl.h"
 #include "context_runtime.h"
+#include "blackmisc/logmessage.h"
 #include <QPluginLoader>
 #include <QLibrary>
 
@@ -52,42 +53,42 @@ namespace BlackCore
 
     bool CContextSimulator::isConnected() const
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator) return false;
         return m_simulator->isConnected();
     }
 
     bool CContextSimulator::canConnect()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator) return false;
         return m_simulator->canConnect();
     }
 
     bool CContextSimulator::connectTo()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator) return false;
         return m_simulator->connectTo();
     }
 
     void CContextSimulator::asyncConnectTo()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator || m_canConnectResult.isRunning()) return; // already checking
         m_simulator->asyncConnectTo();
     }
 
     bool CContextSimulator::disconnectFrom()
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator) return false;
         return m_simulator->disconnectFrom();
     }
 
     BlackSim::CSimulatorInfo CContextSimulator::getSimulatorInfo() const
     {
-        this->getRuntime()->logSlot(c_logContext, Q_FUNC_INFO);
+        CLogMessage().debug(this) << Q_FUNC_INFO;
         if (!m_simulator) return BlackSim::CSimulatorInfo::UnspecifiedSim();
         return m_simulator->getSimulatorInfo();
     }
@@ -137,7 +138,7 @@ namespace BlackCore
         // warning if we do not have any plugins
         if (m_simulatorFactories.isEmpty())
         {
-            this->getRuntime()->sendStatusMessage(CStatusMessage::getErrorMessage("No simulator plugins", CStatusMessage::TypeSimulator));
+            CLogMessage().error(this, "No simulator plugins");
             return false;
         }
 
@@ -149,9 +150,7 @@ namespace BlackCore
         // no plugin found
         if (iterator == m_simulatorFactories.end())
         {
-            QString m = QString("Plugin not found: '%1'").arg(simulatorInfo.toQString(true));
-            this->getRuntime()->sendStatusMessage(CStatusMessage::getErrorMessage(m, CStatusMessage::TypeSimulator));
-            qCritical() << m;
+            CLogMessage().error(this, "Plugin not found: '%1'") << simulatorInfo.toQString(true);
             return false;
         }
 
@@ -193,8 +192,7 @@ namespace BlackCore
         asyncConnectTo();
 
         // info about what is going on
-        QString m = QString("Simulator plugin loaded: '%1'").arg(this->m_simulator->getSimulatorInfo().toQString(true));
-        this->getRuntime()->sendStatusMessage(CStatusMessage::getInfoMessage(m, CStatusMessage::TypeSimulator));
+        CLogMessage().info(this, "Simulator plugin loaded: '%1'") << this->m_simulator->getSimulatorInfo().toQString(true);
         return true;
     }
 
@@ -349,13 +347,11 @@ namespace BlackCore
         {
             if (this->loadSimulatorPlugin(plugin))
             {
-                QString m = QString("Plugin loaded: '%1'").arg(plugin.toQString(true));
-                this->getRuntime()->sendStatusMessage(CStatusMessage::getInfoMessage(m, CStatusMessage::TypeSimulator));
+                CLogMessage().info(this, "Plugin loaded: '%1'") << plugin.toQString(true);
             }
             else
             {
-                QString m = QString("Cannot load driver: '%1'").arg(plugin.toQString(true));
-                this->getRuntime()->sendStatusMessage(CStatusMessage::getErrorMessage(m, CStatusMessage::TypeSimulator));
+                CLogMessage().error(this, "Cannot load driver: '%1'") << plugin.toQString(true);
             }
         }
 
@@ -377,9 +373,7 @@ namespace BlackCore
         m_pluginsDir = QDir(path);
         if (!m_pluginsDir.exists())
         {
-            QString m = QString("No plugin directory: %1").arg(m_pluginsDir.currentPath());
-            qWarning() <<  m;
-            this->getRuntime()->sendStatusMessage(CStatusMessage::getErrorMessage(m, CStatusMessage::TypeSimulator));
+            CLogMessage().error(this, "No plugin directory: %1") << m_pluginsDir.currentPath();
             return;
         }
 
@@ -403,9 +397,7 @@ namespace BlackCore
             }
             else
             {
-                QString m = loader.errorString();
-                this->getRuntime()->sendStatusMessage(CStatusMessage::getErrorMessage(m, CStatusMessage::TypeSimulator));
-                qDebug() << m;
+                CLogMessage().error(this, loader.errorString());
                 qDebug() << "Also check if required dll/libs of plugin exists";
             }
         }
diff --git a/src/blackcore/network.h b/src/blackcore/network.h
index 53924d8df..6a4cd25d1 100644
--- a/src/blackcore/network.h
+++ b/src/blackcore/network.h
@@ -65,6 +65,11 @@ namespace BlackCore
          */
         virtual ~INetwork() {}
 
+        /*!
+         * Log message category.
+         */
+        static QString getMessageCategory() { return "swift.trafficNetwork"; }
+
         /*!
          * Flags for capabilities bitfield.
          */
diff --git a/src/blackcore/network_vatlib.cpp b/src/blackcore/network_vatlib.cpp
index 1f960b31d..664efb12c 100644
--- a/src/blackcore/network_vatlib.cpp
+++ b/src/blackcore/network_vatlib.cpp
@@ -5,6 +5,7 @@
 
 #include "network_vatlib.h"
 #include "blackmisc/project.h"
+#include "blackmisc/logmessage.h"
 #include <vector>
 #include <exception>
 #include <type_traits>
@@ -1083,42 +1084,34 @@ namespace BlackCore
         //TODO
     }
 
-    void CNetworkVatlib::onErrorReceived(Cvatlib_Network *, Cvatlib_Network::error type, const char *msgData, const char *data, void *cbvar)
+    void CNetworkVatlib::onErrorReceived(Cvatlib_Network *, Cvatlib_Network::error type, const char *msg, const char *data, void *cbvar)
     {
-        QString msg;
-
+        auto *self = cbvar_cast(cbvar);
         switch (type)
         {
-        case Cvatlib_Network::error_CallsignTaken:          msg = "The requested callsign is already taken"; goto terminate;
-        case Cvatlib_Network::error_CallsignInvalid:        msg = "The requested callsign is not valid"; goto terminate;
-        case Cvatlib_Network::error_CIDPasswdInvalid:       msg = "Wrong user ID or password"; goto terminate;
-        case Cvatlib_Network::error_ProtoVersion:           msg = "This server does not support our protocol version"; goto terminate;
-        case Cvatlib_Network::error_LevelTooHigh:           msg = "You are not authorized to use the requested pilot rating"; goto terminate;
-        case Cvatlib_Network::error_ServerFull:             msg = "The server is full"; goto terminate;
-        case Cvatlib_Network::error_CIDSuspended:           msg = "Your user account is suspended"; goto terminate;
-        case Cvatlib_Network::error_InvalidPosition:        msg = "You are not authorized to use the requested pilot rating"; goto terminate;
-        case Cvatlib_Network::error_SoftwareNotAuthorized:  msg = "This client software has not been authorized for use on this network"; goto terminate;
+        case Cvatlib_Network::error_CallsignTaken:          CLogMessage().error(self, "The requested callsign is already taken"); emit self->terminate(); break;
+        case Cvatlib_Network::error_CallsignInvalid:        CLogMessage().error(self, "The requested callsign is not valid"); emit self->terminate(); break;
+        case Cvatlib_Network::error_CIDPasswdInvalid:       CLogMessage().error(self, "Wrong user ID or password"); emit self->terminate(); break;
+        case Cvatlib_Network::error_ProtoVersion:           CLogMessage().error(self, "This server does not support our protocol version"); emit self->terminate(); break;
+        case Cvatlib_Network::error_LevelTooHigh:           CLogMessage().error(self, "You are not authorized to use the requested pilot rating"); emit self->terminate(); break;
+        case Cvatlib_Network::error_ServerFull:             CLogMessage().error(self, "The server is full"); emit self->terminate(); break;
+        case Cvatlib_Network::error_CIDSuspended:           CLogMessage().error(self, "Your user account is suspended"); emit self->terminate(); break;
+        case Cvatlib_Network::error_InvalidPosition:        CLogMessage().error(self, "You are not authorized to use the requested pilot rating"); emit self->terminate(); break;
+        case Cvatlib_Network::error_SoftwareNotAuthorized:  CLogMessage().error(self, "This software is not authorized for use on this network"); emit self->terminate(); break;
 
-        case Cvatlib_Network::error_Ok:                     msg = "OK"; break;
-        case Cvatlib_Network::error_Syntax:                 msg = "Malformed packet: Syntax error: "; msg.append(cbvar_cast(cbvar)->fromFSD(data)); break;
-        case Cvatlib_Network::error_SourceInvalid:          msg = "Server: source invalid "; msg.append(cbvar_cast(cbvar)->fromFSD(data)); break;
-        case Cvatlib_Network::error_CallsignNotExists:      msg = "Shim lib: "; msg.append(cbvar_cast(cbvar)->fromFSD(msgData)).append(" (").append(cbvar_cast(cbvar)->fromFSD(data)).append(")"); break;
-        case Cvatlib_Network::error_NoFP:                   msg = "Server: no flight plan"; break;
-        case Cvatlib_Network::error_NoWeather:              msg = "Server: requested weather profile does not exist"; break;
+        case Cvatlib_Network::error_Ok:                     CLogMessage().info(self, "OK"); break;
+        case Cvatlib_Network::error_Syntax:                 CLogMessage().info(self, "Malformed packet: Syntax error: %1") << self->fromFSD(data); break;
+        case Cvatlib_Network::error_SourceInvalid:          CLogMessage().info(self, "Server: source invalid %1") << self->fromFSD(data); break;
+        case Cvatlib_Network::error_CallsignNotExists:      CLogMessage().info(self, "Shim lib: %1 (%2)") << self->fromFSD(msg) << self->fromFSD(data); break;
+        case Cvatlib_Network::error_NoFP:                   CLogMessage().info(self, "Server: no flight plan"); break;
+        case Cvatlib_Network::error_NoWeather:              CLogMessage().info(self, "Server: requested weather profile does not exist"); break;
 
         // we have no idea what these mean
         case Cvatlib_Network::error_Registered:
-        case Cvatlib_Network::error_InvalidControl:         msg = "Server: "; msg.append(cbvar_cast(cbvar)->fromFSD(msgData)); break;
+        case Cvatlib_Network::error_InvalidControl:         CLogMessage().info(self, "Server: ") << self->fromFSD(msg); break;
 
-        default:                                            qFatal("VATSIM shim library: %s (error %d)", qPrintable(msg), type); goto terminate;
+        default:                                            qFatal("VATSIM shim library: %s (error %d)", msg, type); emit self->terminate();
         }
-
-        emit cbvar_cast(cbvar)->statusMessage(BlackMisc::CStatusMessage(BlackMisc::CStatusMessage::TypeTrafficNetwork, BlackMisc::CStatusMessage::SeverityInfo, msg));
-        return;
-
-    terminate:
-        emit cbvar_cast(cbvar)->statusMessage(BlackMisc::CStatusMessage(BlackMisc::CStatusMessage::TypeTrafficNetwork, BlackMisc::CStatusMessage::SeverityError, msg));
-        emit cbvar_cast(cbvar)->terminate(); // private, will be handled during the next pass of the Qt event loop
     }
 
     void CNetworkVatlib::onWindDataReceived(Cvatlib_Network *, Cvatlib_Network::WindLayer /** layers **/[4], void * /** cbvar **/)
diff --git a/src/blackcore/simulator.h b/src/blackcore/simulator.h
index 9049714ba..1aa0f6c28 100644
--- a/src/blackcore/simulator.h
+++ b/src/blackcore/simulator.h
@@ -25,6 +25,8 @@ namespace BlackCore
         Q_ENUMS(Status)
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.simulator"; }
 
         //! ISimulator connection
         enum Status
diff --git a/src/blackcore/voice.h b/src/blackcore/voice.h
index 03c3f54ca..503ae0eaa 100644
--- a/src/blackcore/voice.h
+++ b/src/blackcore/voice.h
@@ -50,6 +50,8 @@ namespace BlackCore
         IVoice(QObject *parent = nullptr);
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.voice"; }
 
         //! Virtual destructor.
         virtual ~IVoice() {}
diff --git a/src/blackcore/voice_channel.h b/src/blackcore/voice_channel.h
index dd8cc918b..1f5179a72 100644
--- a/src/blackcore/voice_channel.h
+++ b/src/blackcore/voice_channel.h
@@ -27,6 +27,8 @@ namespace BlackCore
         Q_OBJECT
 
     public:
+        //! Log message category
+        static QString getMessageCategory() { return "swift.voice.channel"; }
 
         //! Com status
         enum ConnectionStatus
diff --git a/src/blackcore/voice_channel_vatlib.cpp b/src/blackcore/voice_channel_vatlib.cpp
index dd72e72da..a44121ca4 100644
--- a/src/blackcore/voice_channel_vatlib.cpp
+++ b/src/blackcore/voice_channel_vatlib.cpp
@@ -9,6 +9,7 @@
 
 #include "voice_channel_vatlib.h"
 #include "voice_channel_vatlib_p.h"
+#include "blackmisc/logmessage.h"
 
 #include <mutex>
 
@@ -139,27 +140,22 @@ namespace BlackCore
         catch (const NetworkNotConnectedException &e)
         {
             // this could be caused by a race condition during normal operation, so not an error
-            msg.append("NetworkNotConnectedException").append(" ").append(e.what());
-            emit q->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qDebug() << "NetworkNotConnectedException caught in " << caller << "\n" << e.what();
+            CLogMessage().debug(q) << "NetworkNotConnectedException" << e.what() << "in" << caller;
         }
         catch (const VatlibException &e)
         {
-            msg.append("VatlibException").append(" ").append(e.what());
-            emit q->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("VatlibException caught in %s\n%s", caller, e.what());
+            CLogMessage().error(q, "VatlibException %1 in %2") << e.what() << caller;
+            Q_ASSERT(false);
         }
         catch (const std::exception &e)
         {
-            msg.append("std::exception").append(" ").append(e.what());
-            emit q->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("std::exception caught in %s\n%s", caller, e.what());
+            CLogMessage().error(q, "std::exception %1 in %2") << e.what() << caller;
+            Q_ASSERT(false);
         }
         catch (...)
         {
-            msg.append("unknown exception");
-            emit q->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("Unknown exception caught in %s", caller);
+            CLogMessage().error(q, "Unknown exception in %1") << caller;
+            Q_ASSERT(false);
         }
     }
 
diff --git a/src/blackcore/voice_vatlib.cpp b/src/blackcore/voice_vatlib.cpp
index c6126facf..b81f460c6 100644
--- a/src/blackcore/voice_vatlib.cpp
+++ b/src/blackcore/voice_vatlib.cpp
@@ -5,6 +5,7 @@
 
 #include "voice_vatlib.h"
 #include "voice_channel_vatlib.h"
+#include "blackmisc/logmessage.h"
 #include <QDebug>
 #include <QTimer>
 
@@ -429,27 +430,22 @@ namespace BlackCore
         catch (const NetworkNotConnectedException &e)
         {
             // this could be caused by a race condition during normal operation, so not an error
-            msg.append("NetworkNotConnectedException").append(" ").append(e.what());
-            emit this->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qDebug() << "NetworkNotConnectedException caught in " << caller << "\n" << e.what();
+            CLogMessage().debug(this) << "NetworkNotConnectedException" << e.what() << "in" << caller;
         }
         catch (const VatlibException &e)
         {
-            msg.append("VatlibException").append(" ").append(e.what());
-            emit this->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("VatlibException caught in %s\n%s", caller, e.what());
+            CLogMessage().error(this, "VatlibException %1 in %2") << e.what() << caller;
+            Q_ASSERT(false);
         }
         catch (const std::exception &e)
         {
-            msg.append("std::exception").append(" ").append(e.what());
-            emit this->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("std::exception caught in %s\n%s", caller, e.what());
+            CLogMessage().error(this, "std::exception %1 in %2") << e.what() << caller;
+            Q_ASSERT(false);
         }
         catch (...)
         {
-            msg.append("unknown exception");
-            emit this->statusMessage(CStatusMessage::getErrorMessage(msg, CStatusMessage::TypeAudio));
-            qFatal("Unknown exception caught in %s", caller);
+            CLogMessage().error(this, "Unknown exception in %1") << caller;
+            Q_ASSERT(false);
         }
     }