diff --git a/src/blackcore/context/contextnetwork.h b/src/blackcore/context/contextnetwork.h
index 5d66a57c0..12b7d1663 100644
--- a/src/blackcore/context/contextnetwork.h
+++ b/src/blackcore/context/contextnetwork.h
@@ -269,6 +269,9 @@ namespace BlackCore
             //! Enable/disable rendering
             virtual bool updateAircraftEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) = 0;
 
+            //! Set the enabled flag without any further logic like sending signals
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) = 0;
+
             //! Enable/disable support of gnd. flag
             virtual bool updateAircraftSupportingGndFLag(const BlackMisc::Aviation::CCallsign &callsign, bool supportGndFlag) = 0;
 
diff --git a/src/blackcore/context/contextnetworkempty.h b/src/blackcore/context/contextnetworkempty.h
index 5d3e22575..ae509b384 100644
--- a/src/blackcore/context/contextnetworkempty.h
+++ b/src/blackcore/context/contextnetworkempty.h
@@ -354,6 +354,15 @@ namespace BlackCore
                 return false;
             }
 
+            //! \copydoc IContextNetwork::setAircraftEnabledFlag
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override
+            {
+                logEmptyContextWarning(Q_FUNC_INFO);
+                Q_UNUSED(callsign);
+                Q_UNUSED(enabledForRendering);
+                return false;
+            }
+
             //! \copydoc IContextNetwork::reInitializeAllAircraft
             virtual int reInitializeAllAircraft() override
             {
diff --git a/src/blackcore/context/contextnetworkimpl.cpp b/src/blackcore/context/contextnetworkimpl.cpp
index 69baf1295..ae19890c0 100644
--- a/src/blackcore/context/contextnetworkimpl.cpp
+++ b/src/blackcore/context/contextnetworkimpl.cpp
@@ -122,6 +122,12 @@ namespace BlackCore
             return m_airspace->remoteAircraftSituation(callsign, index);
         }
 
+        MillisecondsMinMaxMean CContextNetwork::remoteAircraftSituationsTimestampDifferenceMinMaxMean(const CCallsign &callsign) const
+        {
+            Q_ASSERT(m_airspace);
+            return m_airspace->remoteAircraftSituationsTimestampDifferenceMinMaxMean(callsign);
+        }
+
         CAircraftSituationList CContextNetwork::latestRemoteAircraftSituations() const
         {
             Q_ASSERT(m_airspace);
@@ -774,6 +780,12 @@ namespace BlackCore
             return c;
         }
 
+        bool CContextNetwork::setAircraftEnabledFlag(const CCallsign &callsign, bool enabledForRendering)
+        {
+            if (this->isDebugEnabled()) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO << callsign; }
+            return m_airspace->setAircraftEnabledFlag(callsign, enabledForRendering);
+        }
+
         bool CContextNetwork::updateAircraftModel(const CCallsign &callsign, const CAircraftModel &model, const CIdentifier &originator)
         {
             Q_ASSERT(m_airspace);
@@ -807,7 +819,7 @@ namespace BlackCore
             if (c)
             {
                 const CSimulatedAircraft aircraft(this->getAircraftInRangeForCallsign(callsign));
-                CLogMessage(this).info("Callsign %1 sets fast positions ") << aircraft.getCallsign() << BlackMisc::boolToOnOff(aircraft.fastPositionUpdates());
+                CLogMessage(this).info("Callsign '%1' fast positions '%2'") << aircraft.getCallsign() << BlackMisc::boolToOnOff(aircraft.fastPositionUpdates());
                 emit this->changedFastPositionUpdates(aircraft);
             }
             return c;
@@ -876,6 +888,7 @@ namespace BlackCore
 
         int CContextNetwork::reInitializeAllAircraft()
         {
+            if (this->isDebugEnabled()) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
             return m_airspace->reInitializeAllAircraft();
         }
 
diff --git a/src/blackcore/context/contextnetworkimpl.h b/src/blackcore/context/contextnetworkimpl.h
index 6ab16a414..056afeb48 100644
--- a/src/blackcore/context/contextnetworkimpl.h
+++ b/src/blackcore/context/contextnetworkimpl.h
@@ -93,6 +93,7 @@ namespace BlackCore
             //! @{
             virtual BlackMisc::Aviation::CAircraftSituationList remoteAircraftSituations(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual BlackMisc::Aviation::CAircraftSituation remoteAircraftSituation(const BlackMisc::Aviation::CCallsign &callsign, int index) const override;
+            virtual BlackMisc::MillisecondsMinMaxMean remoteAircraftSituationsTimestampDifferenceMinMaxMean(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual BlackMisc::Aviation::CAircraftSituationList latestRemoteAircraftSituations() const override;
             virtual BlackMisc::Aviation::CAircraftSituationList latestOnGroundProviderElevations() const override;
             virtual int remoteAircraftSituationsCount(const BlackMisc::Aviation::CCallsign &callsign) const override;
@@ -153,12 +154,18 @@ namespace BlackCore
             // from context and provider interface
             //! \ingroup remoteaircraftprovider
             //! @{
+
+            // emit signal when changed
             virtual bool updateAircraftEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override;
             virtual bool updateAircraftModel(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::Simulation::CAircraftModel &model, const BlackMisc::CIdentifier &originator) override;
             virtual bool updateAircraftNetworkModel(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::Simulation::CAircraftModel &model, const BlackMisc::CIdentifier &originator) override;
             virtual bool updateFastPositionEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enableFastPositonUpdates) override;
-            virtual int reInitializeAllAircraft() override;
             virtual bool updateAircraftSupportingGndFLag(const BlackMisc::Aviation::CCallsign &callsign, bool supportGndFlag) override;
+            virtual void enableReverseLookupMessages(bool enabled) override;
+
+            // plain vanilla passing to airspace monitor
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override;
+            virtual int reInitializeAllAircraft() override;
             virtual bool updateCG(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::PhysicalQuantities::CLength &cg) override;
             virtual bool updateCGAndModelString(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::PhysicalQuantities::CLength &cg, const QString &modelString) override;
             virtual BlackMisc::Simulation::CSimulatedAircraftList getAircraftInRange() const override;
@@ -170,7 +177,6 @@ namespace BlackCore
             virtual BlackMisc::Simulation::CAircraftModel getAircraftInRangeModelForCallsign(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual BlackMisc::CStatusMessageList getReverseLookupMessages(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual bool isReverseLookupMessagesEnabled() const override;
-            virtual void enableReverseLookupMessages(bool enabled) override;
             virtual BlackMisc::CStatusMessageList getAircraftPartsHistory(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual BlackMisc::Aviation::CAircraftPartsList getRemoteAircraftParts(const BlackMisc::Aviation::CCallsign &callsign) const override;
             virtual int getRemoteAircraftSupportingPartsCount() const override;
diff --git a/src/blackcore/context/contextnetworkproxy.cpp b/src/blackcore/context/contextnetworkproxy.cpp
index 5eb3b9f0e..2a4adafee 100644
--- a/src/blackcore/context/contextnetworkproxy.cpp
+++ b/src/blackcore/context/contextnetworkproxy.cpp
@@ -208,9 +208,14 @@ namespace BlackCore
             m_dBusInterface->callDBus(QLatin1String("requestAtisUpdates"));
         }
 
-        bool CContextNetworkProxy::updateAircraftEnabled(const CCallsign &callsign, bool enabledForRedering)
+        bool CContextNetworkProxy::updateAircraftEnabled(const CCallsign &callsign, bool enabledForRendering)
         {
-            return m_dBusInterface->callDBusRet<bool>(QLatin1String("updateAircraftEnabled"), callsign, enabledForRedering);
+            return m_dBusInterface->callDBusRet<bool>(QLatin1String("updateAircraftEnabled"), callsign, enabledForRendering);
+        }
+
+        bool CContextNetworkProxy::setAircraftEnabledFlag(const CCallsign &callsign, bool enabledForRendering)
+        {
+            return m_dBusInterface->callDBusRet<bool>(QLatin1String("setEnabledFlag"), callsign, enabledForRendering);
         }
 
         bool CContextNetworkProxy::updateAircraftModel(const CCallsign &callsign, const CAircraftModel &model, const CIdentifier &originator)
diff --git a/src/blackcore/context/contextnetworkproxy.h b/src/blackcore/context/contextnetworkproxy.h
index 3fe3689fe..fc09d8a6e 100644
--- a/src/blackcore/context/contextnetworkproxy.h
+++ b/src/blackcore/context/contextnetworkproxy.h
@@ -106,7 +106,8 @@ namespace BlackCore
             virtual bool setOtherClient(const BlackMisc::Network::CClient &client) override;
             virtual void requestDataUpdates()override;
             virtual void requestAtisUpdates() override;
-            virtual bool updateAircraftEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRedering) override;
+            virtual bool updateAircraftEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override;
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override;
             virtual bool updateAircraftModel(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::Simulation::CAircraftModel &model, const BlackMisc::CIdentifier &originator) override;
             virtual bool updateAircraftNetworkModel(const BlackMisc::Aviation::CCallsign &callsign, const BlackMisc::Simulation::CAircraftModel &model, const BlackMisc::CIdentifier &originator) override;
             virtual bool updateFastPositionEnabled(const BlackMisc::Aviation::CCallsign &callsign, bool enableFastPositionSending) override;
diff --git a/src/blackcore/context/contextsimulatorimpl.cpp b/src/blackcore/context/contextsimulatorimpl.cpp
index 0e82fb227..58c1c303d 100644
--- a/src/blackcore/context/contextsimulatorimpl.cpp
+++ b/src/blackcore/context/contextsimulatorimpl.cpp
@@ -870,9 +870,10 @@ namespace BlackCore
         {
             CSimulatedAircraft aircraft = this->getAircraftInRangeForCallsign(callsign);
             if (aircraft.getCallsign() != callsign) { return false; } // not found
-            this->updateAircraftEnabled(callsign, true);
-            aircraft.setModel(aircraft.getNetworkModel());
-            xCtxAddedRemoteAircraftReadyForModelMatching(aircraft);
+            this->setAircraftEnabledFlag(callsign, true);  // plain vanilla flag
+            this->updateAircraftRendered(callsign, false); // this is flag only anyway
+            aircraft.setModel(aircraft.getNetworkModel()); // like originally from network
+            this->xCtxAddedRemoteAircraftReadyForModelMatching(aircraft);
             return true;
         }
 
diff --git a/src/blackmisc/simulation/remoteaircraftprovider.cpp b/src/blackmisc/simulation/remoteaircraftprovider.cpp
index 821e2c104..fe08d04d3 100644
--- a/src/blackmisc/simulation/remoteaircraftprovider.cpp
+++ b/src/blackmisc/simulation/remoteaircraftprovider.cpp
@@ -472,6 +472,12 @@ namespace BlackMisc
         }
 
         bool CRemoteAircraftProvider::updateAircraftEnabled(const CCallsign &callsign, bool enabledForRendering)
+        {
+            // here just synonym
+            return this->setAircraftEnabledFlag(callsign, enabledForRendering);
+        }
+
+        bool CRemoteAircraftProvider::setAircraftEnabledFlag(const CCallsign &callsign, bool enabledForRendering)
         {
             QWriteLocker l(&m_lockAircraft);
             if (!m_aircraftInRange.contains(callsign)) { return false; }
@@ -1008,6 +1014,12 @@ namespace BlackMisc
             return this->provider()->updateAircraftEnabled(callsign, enabledForRendering);
         }
 
+        bool CRemoteAircraftAware::setAircraftEnabledFlag(const CCallsign &callsign, bool enabledForRendering)
+        {
+            Q_ASSERT_X(this->provider(), Q_FUNC_INFO, "No object available");
+            return this->provider()->setAircraftEnabledFlag(callsign, enabledForRendering);
+        }
+
         bool CRemoteAircraftAware::updateMultipleAircraftEnabled(const CCallsignSet &callsigns, bool enabledForRendering)
         {
             Q_ASSERT_X(this->provider(), Q_FUNC_INFO, "No object available");
diff --git a/src/blackmisc/simulation/remoteaircraftprovider.h b/src/blackmisc/simulation/remoteaircraftprovider.h
index 80ceed4dd..00bf1908d 100644
--- a/src/blackmisc/simulation/remoteaircraftprovider.h
+++ b/src/blackmisc/simulation/remoteaircraftprovider.h
@@ -153,10 +153,15 @@ namespace BlackMisc
             //! \threadsafe
             virtual int remoteAircraftSituationChangesCount(const Aviation::CCallsign &callsign) const = 0;
 
-            //! Enable/disable aircraft
+            //! Enable/disable aircraft and follow up logic like sending signals
             //! \threadsafe
+            //! \remark depending on implementation similar or more sophisticated as setEnabledFlag
             virtual bool updateAircraftEnabled(const Aviation::CCallsign &callsign, bool enabledForRendering) = 0;
 
+            //! Just set enable/disable aircraft flag, no further logic
+            //! \threadsafe
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) = 0;
+
             //! Enable/disable aircraft
             //! \threadsafe
             virtual int updateMultipleAircraftEnabled(const Aviation::CCallsignSet &callsigns, bool enabledForRendering) = 0;
@@ -295,6 +300,7 @@ namespace BlackMisc
             virtual bool isVtolAircraft(const Aviation::CCallsign &callsign) const override;
             virtual Aviation::CAircraftSituationList remoteAircraftSituations(const Aviation::CCallsign &callsign) const override;
             virtual Aviation::CAircraftSituation remoteAircraftSituation(const Aviation::CCallsign &callsign, int index) const override;
+            virtual MillisecondsMinMaxMean remoteAircraftSituationsTimestampDifferenceMinMaxMean(const Aviation::CCallsign &callsign) const override;
             virtual Aviation::CAircraftSituationList latestRemoteAircraftSituations() const override;
             virtual Aviation::CAircraftSituationList latestOnGroundProviderElevations() const override;
             virtual int remoteAircraftSituationsCount(const Aviation::CCallsign &callsign) const override;
@@ -306,6 +312,7 @@ namespace BlackMisc
             virtual Aviation::CAircraftSituationChangeList remoteAircraftSituationChanges(const Aviation::CCallsign &callsign) const override;
             virtual int remoteAircraftSituationChangesCount(const Aviation::CCallsign &callsign) const override;
             virtual bool updateAircraftEnabled(const Aviation::CCallsign &callsign, bool enabledForRendering) override;
+            virtual bool setAircraftEnabledFlag(const BlackMisc::Aviation::CCallsign &callsign, bool enabledForRendering) override;
             virtual int updateMultipleAircraftEnabled(const Aviation::CCallsignSet &callsigns, bool enabledForRendering) override;
             virtual bool updateAircraftModel(const Aviation::CCallsign &callsign, const CAircraftModel &model, const CIdentifier &originator) override;
             virtual bool updateAircraftNetworkModel(const Aviation::CCallsign &callsign, const CAircraftModel &model, const CIdentifier &originator) override;
@@ -538,7 +545,10 @@ namespace BlackMisc
             int getRemoteAircraftSupportingPartsCount() const;
 
             //! \copydoc IRemoteAircraftProvider::updateAircraftEnabled
-            bool updateAircraftEnabled(const Aviation::CCallsign &callsign, bool enabledForRedering);
+            bool updateAircraftEnabled(const Aviation::CCallsign &callsign, bool enabledForRendering);
+
+            //! \copydoc IRemoteAircraftProvider::setAircraftEnabledFlag
+            bool setAircraftEnabledFlag(const Aviation::CCallsign &callsign, bool enabledForRendering);
 
             //! \copydoc IRemoteAircraftProvider::updateMultipleAircraftEnabled
             bool updateMultipleAircraftEnabled(const Aviation::CCallsignSet &callsigns, bool enabledForRendering);