diff --git a/src/blackcore/context/contextsimulator.h b/src/blackcore/context/contextsimulator.h
index 7926e03c7..5ae5defd2 100644
--- a/src/blackcore/context/contextsimulator.h
+++ b/src/blackcore/context/contextsimulator.h
@@ -206,6 +206,9 @@ namespace BlackCore
             //! \copydoc CAircraftMatcher::getDisabledModelsForMatching
             virtual BlackMisc::Simulation::CAircraftModelList getDisabledModelsForMatching() const = 0;
 
+            //! \copydoc BlackMisc::Simulation::CBackgroundValidation::isValidating
+            virtual bool isValidationInProgress() const = 0;
+
             //! Trigger model set validation
             virtual bool triggerModelSetValidation(const BlackMisc::Simulation::CSimulatorInfo &simulator) = 0;
 
diff --git a/src/blackcore/context/contextsimulatorempty.h b/src/blackcore/context/contextsimulatorempty.h
index f0e831129..3004c545b 100644
--- a/src/blackcore/context/contextsimulatorempty.h
+++ b/src/blackcore/context/contextsimulatorempty.h
@@ -161,6 +161,13 @@ namespace BlackCore
                 return false;
             }
 
+            //! \copydoc BlackMisc::Simulation::CBackgroundValidation::isValidating
+            virtual bool isValidationInProgress() const override
+            {
+                logEmptyContextWarning(Q_FUNC_INFO);
+                return false;
+            }
+
             //! \copydoc IContextSimulator::isKnownModelInSet
             virtual bool isKnownModelInSet(const QString &modelstring) const override
             {
diff --git a/src/blackcore/context/contextsimulatorimpl.cpp b/src/blackcore/context/contextsimulatorimpl.cpp
index ceb259fc1..4d982b16e 100644
--- a/src/blackcore/context/contextsimulatorimpl.cpp
+++ b/src/blackcore/context/contextsimulatorimpl.cpp
@@ -279,8 +279,16 @@ namespace BlackCore
             m_aircraftMatcher.restoreDisabledModels();
         }
 
+        bool CContextSimulator::isValidationInProgress() const
+        {
+            if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
+            if (!m_validator) { return false; }
+            return m_validator->isValidating();
+        }
+
         bool CContextSimulator::triggerModelSetValidation(const CSimulatorInfo &simulator)
         {
+            if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
             if (!m_validator) { return false; }
             return m_validator->triggerValidation(simulator);
         }
diff --git a/src/blackcore/context/contextsimulatorimpl.h b/src/blackcore/context/contextsimulatorimpl.h
index a0baaf09d..740b0a4ff 100644
--- a/src/blackcore/context/contextsimulatorimpl.h
+++ b/src/blackcore/context/contextsimulatorimpl.h
@@ -95,6 +95,7 @@ namespace BlackCore
             virtual void disableModelsForMatching(const BlackMisc::Simulation::CAircraftModelList &removedModels, bool incremental) override;
             virtual BlackMisc::Simulation::CAircraftModelList getDisabledModelsForMatching() const override;
             virtual void restoreDisabledModels() override;
+            virtual bool isValidationInProgress() const override;
             virtual bool triggerModelSetValidation(const BlackMisc::Simulation::CSimulatorInfo &simulator) override;
             virtual BlackMisc::Simulation::CAircraftModelList getModelSetModelsStartingWith(const QString &modelString) const override;
             virtual BlackMisc::PhysicalQuantities::CTime getTimeSynchronizationOffset() const override;
diff --git a/src/blackcore/context/contextsimulatorproxy.cpp b/src/blackcore/context/contextsimulatorproxy.cpp
index 50dd013fb..13493acea 100644
--- a/src/blackcore/context/contextsimulatorproxy.cpp
+++ b/src/blackcore/context/contextsimulatorproxy.cpp
@@ -190,6 +190,11 @@ namespace BlackCore
             return m_dBusInterface->callDBusRet<bool>(QLatin1String("triggerModelSetValidation"), simulator);
         }
 
+        bool CContextSimulatorProxy::isValidationInProgress() const
+        {
+            return m_dBusInterface->callDBusRet<bool>(QLatin1String("isValidationInProgress"));
+        }
+
         void CContextSimulatorProxy::restoreDisabledModels()
         {
             m_dBusInterface->callDBus(QLatin1String("restoreDisabledModels"));
diff --git a/src/blackcore/context/contextsimulatorproxy.h b/src/blackcore/context/contextsimulatorproxy.h
index 5b5d56687..423cbcc97 100644
--- a/src/blackcore/context/contextsimulatorproxy.h
+++ b/src/blackcore/context/contextsimulatorproxy.h
@@ -79,6 +79,7 @@ namespace BlackCore
             virtual void disableModelsForMatching(const BlackMisc::Simulation::CAircraftModelList &removedModels, bool incremental) override;
             virtual BlackMisc::Simulation::CAircraftModelList getDisabledModelsForMatching() const override;
             virtual bool triggerModelSetValidation(const BlackMisc::Simulation::CSimulatorInfo &simulator) override;
+            virtual bool isValidationInProgress() const override;
             virtual void restoreDisabledModels() override;
             virtual bool setTimeSynchronization(bool enable, const BlackMisc::PhysicalQuantities::CTime &offset) override;
             virtual bool isTimeSynchronized() const override;
diff --git a/src/blackmisc/simulation/backgroundvalidation.h b/src/blackmisc/simulation/backgroundvalidation.h
index 9dfa74fde..0f896929e 100644
--- a/src/blackmisc/simulation/backgroundvalidation.h
+++ b/src/blackmisc/simulation/backgroundvalidation.h
@@ -48,6 +48,10 @@ namespace BlackMisc
             //! \threadsafe
             bool wasAlreadyChecked(const CSimulatorInfo &simulator) const;
 
+            //! Validation in progress
+            //! \threadsafe
+            bool isValidating() const { return m_inWork; }
+
             //! Reset checked for simulator
             //! \threadsafe
             void resetAlreadyChecked(const CSimulatorInfo &simulator);