diff --git a/src/blackcore/vatsim/networkvatlib.cpp b/src/blackcore/vatsim/networkvatlib.cpp
index c4afd2804..00606d9e4 100644
--- a/src/blackcore/vatsim/networkvatlib.cpp
+++ b/src/blackcore/vatsim/networkvatlib.cpp
@@ -34,6 +34,7 @@
 #include "blackmisc/pq/speed.h"
 #include "blackmisc/pq/time.h"
 #include "blackmisc/pq/units.h"
+#include "blackmisc/stringutils.h"
 #include "blackmisc/compare.h"
 #include "blackmisc/json.h"
 #include "blackmisc/logmessage.h"
@@ -112,6 +113,7 @@ namespace BlackCore
         void CNetworkVatlib::initializeSession()
         {
             Q_ASSERT_X(isDisconnected(), Q_FUNC_INFO, "attempted to reinitialize session while still connected");
+            Q_ASSERT_X(sApp, Q_FUNC_INFO, "Need sApp");
 
             int clientCapabilities = vatCapsAircraftInfo | vatCapsFastPos | vatCapsAtcInfo | vatCapsAircraftConfig;
             if (m_loginMode == LoginStealth)
@@ -134,10 +136,11 @@ namespace BlackCore
             default: serverType = vatServerLegacyFsd; break;
             }
 
+            const QString hostApplication = this->getNetworkHostApplicationString().replace(':', ' ');
             m_net.reset(Vat_CreateNetworkSession(serverType, sApp->swiftVersionChar(),
                                                  CBuildConfig::getVersion().majorVersion(),
                                                  CBuildConfig::getVersion().minorVersion(),
-                                                 "None", clientId, clientKey.toLocal8Bit().constData(),
+                                                 toFSD(hostApplication), clientId, toFSD(clientKey),
                                                  clientCapabilities));
 
             Vat_SetStateChangeHandler(m_net.data(), onConnectionStatusChanged, this);
@@ -335,6 +338,11 @@ namespace BlackCore
             return m_fsdTextCodec->toUnicode(cstr);
         }
 
+        QString CNetworkVatlib::getNetworkHostApplicationString() const
+        {
+            return this->getSimulatorNameAndVersion();
+        }
+
         QStringList CNetworkVatlib::fromFSD(const char **cstrArray, int size) const
         {
             QStringList qstrList;
@@ -1002,7 +1010,7 @@ namespace BlackCore
             // ATIS often have a range of 0 nm. Correct this to a proper value.
             if (cs.contains("_ATIS") && pos->visibleRange == 0) { range.setValueSameUnit(50.0); }
             CCoordinateGeodetic position(pos->latitude, pos->longitude, 0);
-            emit cbvar_cast(cbvar)->atcPositionUpdate( CCallsign(cs, CCallsign::Atc), freq, position, range);
+            emit cbvar_cast(cbvar)->atcPositionUpdate(CCallsign(cs, CCallsign::Atc), freq, position, range);
         }
 
         void CNetworkVatlib::onKicked(VatFsdClient *, const char *reason, void *cbvar)
diff --git a/src/blackcore/vatsim/networkvatlib.h b/src/blackcore/vatsim/networkvatlib.h
index 8e03b7a09..6f89cab8c 100644
--- a/src/blackcore/vatsim/networkvatlib.h
+++ b/src/blackcore/vatsim/networkvatlib.h
@@ -175,6 +175,7 @@ namespace BlackCore
             QByteArray toFSD(const BlackMisc::Aviation::CCallsign &callsign) const;
             std::function<const char **()> toFSD(const QStringList &qstrList) const;
             QString fromFSD(const char *cstr) const;
+            QString getNetworkHostApplicationString() const; //!< simulator version and details info string
             QStringList fromFSD(const char **cstrArray, int size) const;
             bool isInterimPositionUpdateEnabledForServer() const;
             const BlackMisc::Network::CFsdSetup &getSetupForServer() const;
diff --git a/src/blackmisc/simulation/simulationenvironmentprovider.cpp b/src/blackmisc/simulation/simulationenvironmentprovider.cpp
index 2e52f5f0f..d609bb3ef 100644
--- a/src/blackmisc/simulation/simulationenvironmentprovider.cpp
+++ b/src/blackmisc/simulation/simulationenvironmentprovider.cpp
@@ -8,6 +8,7 @@
  */
 
 #include "simulationenvironmentprovider.h"
+#include <QStringBuilder>
 
 using namespace BlackMisc::Aviation;
 using namespace BlackMisc::Geo;
@@ -210,6 +211,24 @@ namespace BlackMisc
             return this->getSimulatorPluginInfo().getSimulatorInfo();
         }
 
+        QString ISimulationEnvironmentProvider::getSimulatorNameAndVersion() const
+        {
+            QString n;
+            QString v;
+            {
+                QReadLocker l(&m_lockSimInfo);
+                n = m_simulatorName;
+                v = m_simulatorVersion;
+            }
+
+            if (!n.isEmpty() && !v.isEmpty()) { return n % QStringLiteral(" ") % v; }
+            if (!n.isEmpty()) { return n; }
+
+            const CSimulatorInfo simInfo = this->getSimulatorInfo();
+            if (!simInfo.isUnspecified()) { return simInfo.toQString(true); }
+            return "not available";
+        }
+
         CAircraftModel ISimulationEnvironmentProvider::getDefaultModel() const
         {
             QReadLocker l(&m_lockModel);
@@ -407,6 +426,12 @@ namespace BlackMisc
             return this->provider()->getSimulatorInfo();
         }
 
+        QString CSimulationEnvironmentAware::getSimulatorNameAndVersion() const
+        {
+            if (!this->hasProvider()) { return "not avialbale"; }
+            return this->provider()->getSimulatorNameAndVersion();
+        }
+
         CAircraftModel CSimulationEnvironmentAware::getDefaultModel() const
         {
             if (!this->hasProvider()) { return CAircraftModel(); }
diff --git a/src/blackmisc/simulation/simulationenvironmentprovider.h b/src/blackmisc/simulation/simulationenvironmentprovider.h
index 884c3ba70..ff6eb6517 100644
--- a/src/blackmisc/simulation/simulationenvironmentprovider.h
+++ b/src/blackmisc/simulation/simulationenvironmentprovider.h
@@ -78,6 +78,10 @@ namespace BlackMisc
             //! \threadsafe
             CSimulatorInfo getSimulatorInfo() const;
 
+            //! Version and simulator details info
+            //! \threadsafe
+            QString getSimulatorNameAndVersion() const;
+
             //! Default model
             //! \threadsafe
             CAircraftModel getDefaultModel() const;
@@ -129,14 +133,17 @@ namespace BlackMisc
 
             //! Simulator name as set from the running simulator
             //! \threadsafe
+            //! \remark something like "Name: 'Lockheed Martin® Prepar3D® v4"
             QString getSimulatorName() const;
 
             //! Simulator version as set from the running simulator
             //! \threadsafe
+            //! \remark something like "4.1.7.22841"
             QString getSimulatorVersion() const;
 
             //! Simulator details as set from the running simulator
             //! \threadsafe
+            //! \remark something like "Name: 'Lockheed Martin® Prepar3D® v4' Version: 4.1.7.22841 SimConnect: 4.1.0.0"
             QString getSimulatorDetails() const;
 
             //! Default model
@@ -199,7 +206,7 @@ namespace BlackMisc
             QString m_simulatorVersion;    //!< Simulator version
             CAircraftModel m_defaultModel; //!< default model
             int m_maxElevations = 100;     //!< How many elevations we keep
-            Geo::CCoordinateGeodeticList m_elvCoordinates; //!< elevation cache
+            Geo::CCoordinateGeodeticList    m_elvCoordinates; //!< elevation cache
             Aviation::CTimestampPerCallsign m_pendingElevationRequests; //!< pending elevation requests
             Aviation::CLengthPerCallsign    m_cgsPerCallsign;           //!< CGs per callsign
             QHash<QString, PhysicalQuantities::CLength> m_cgsPerModel;  //!< CGs per model string
@@ -252,6 +259,9 @@ namespace BlackMisc
             //! \copydoc ISimulationEnvironmentProvider::getSimulatorPluginInfo
             CSimulatorInfo getSimulatorInfo() const;
 
+            //! \copydoc ISimulationEnvironmentProvider::getSimulatorNameAndVersion
+            QString getSimulatorNameAndVersion() const;
+
             //! \copydoc ISimulationEnvironmentProvider::getDefaultModel
             CAircraftModel getDefaultModel() const;