diff --git a/src/blackcore/context/contextownaircraftimpl.cpp b/src/blackcore/context/contextownaircraftimpl.cpp
index 8a1a43af8..cce534142 100644
--- a/src/blackcore/context/contextownaircraftimpl.cpp
+++ b/src/blackcore/context/contextownaircraftimpl.cpp
@@ -290,6 +290,15 @@ namespace BlackCore
             return true;
         }
 
+        bool CContextOwnAircraft::updateOwnCG(const CLength &cg)
+        {
+            QWriteLocker l(&m_lockAircraft);
+            const bool changed = (m_ownAircraft.getModel().getCG() != cg);
+            if (!changed) { return false; }
+            m_ownAircraft.setCG(cg);
+            return true;
+        }
+
         bool CContextOwnAircraft::updateOwnPosition(const BlackMisc::Geo::CCoordinateGeodetic &position, const BlackMisc::Aviation::CAltitude &altitude, const CAltitude &pressureAltitude)
         {
             if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO << position << altitude; }
diff --git a/src/blackcore/context/contextownaircraftimpl.h b/src/blackcore/context/contextownaircraftimpl.h
index 436d9a615..d73195307 100644
--- a/src/blackcore/context/contextownaircraftimpl.h
+++ b/src/blackcore/context/contextownaircraftimpl.h
@@ -110,6 +110,10 @@ namespace BlackCore
             //! \ingroup ownaircraftprovider
             virtual bool updateOwnParts(const BlackMisc::Aviation::CAircraftParts &parts) override;
 
+            //! \copydoc BlackMisc::Simulation::IOwnAircraftProvider::updateOwnParts
+            //! \ingroup ownaircraftprovider
+            virtual bool updateOwnCG(const BlackMisc::PhysicalQuantities::CLength &cg) override;
+
             //! \copydoc BlackMisc::IProvider::asQObject
             virtual QObject *asQObject() override { return this; }
 
diff --git a/src/blackmisc/simulation/ownaircraftprovider.cpp b/src/blackmisc/simulation/ownaircraftprovider.cpp
index 0ce037d39..f23ac0cd0 100644
--- a/src/blackmisc/simulation/ownaircraftprovider.cpp
+++ b/src/blackmisc/simulation/ownaircraftprovider.cpp
@@ -105,6 +105,12 @@ namespace BlackMisc
             return this->provider()->updateOwnParts(parts);
         }
 
+        bool COwnAircraftAware::updateOwnCG(const CLength &cg)
+        {
+            Q_ASSERT_X(this->provider(), Q_FUNC_INFO, "No object available");
+            return this->provider()->updateOwnCG(cg);
+        }
+
         bool COwnAircraftAware::updateOwnCallsign(const CCallsign &callsign)
         {
             Q_ASSERT_X(this->provider(), Q_FUNC_INFO, "No object available");
diff --git a/src/blackmisc/simulation/ownaircraftprovider.h b/src/blackmisc/simulation/ownaircraftprovider.h
index 3912548cf..2e8a31145 100644
--- a/src/blackmisc/simulation/ownaircraftprovider.h
+++ b/src/blackmisc/simulation/ownaircraftprovider.h
@@ -92,6 +92,9 @@ namespace BlackMisc
             //! Update own parts
             virtual bool updateOwnParts(const Aviation::CAircraftParts &parts) = 0;
 
+            //! Update own aircraft's CG (aka vertical offset)
+            virtual bool updateOwnCG(const PhysicalQuantities::CLength &cg) = 0;
+
             // ------------------------------------------------------------------------
             // cockpit / aircraft related updates, which can come from multiple sources
             // and are subject of roundtrips -> originator
@@ -168,6 +171,9 @@ namespace BlackMisc
             //! \copydoc IOwnAircraftProvider::updateOwnParts
             bool updateOwnParts(const Aviation::CAircraftParts &parts);
 
+            //! \copydoc IOwnAircraftProvider::updateOwnCG
+            bool updateOwnCG(const PhysicalQuantities::CLength &cg);
+
         protected:
             //! Constructor
             COwnAircraftAware(IOwnAircraftProvider *ownAircraftProvider) : IProviderAware(ownAircraftProvider) { Q_ASSERT(ownAircraftProvider); }
diff --git a/src/blackmisc/simulation/ownaircraftproviderdummy.cpp b/src/blackmisc/simulation/ownaircraftproviderdummy.cpp
index 8b4b59014..97853a60c 100644
--- a/src/blackmisc/simulation/ownaircraftproviderdummy.cpp
+++ b/src/blackmisc/simulation/ownaircraftproviderdummy.cpp
@@ -113,6 +113,12 @@ namespace BlackMisc
             return true;
         }
 
+        bool COwnAircraftProviderDummy::updateOwnCG(const CLength &cg)
+        {
+            QWriteLocker l(&m_lock);
+            return m_ownAircraft.setCG(cg);
+        }
+
         bool COwnAircraftProviderDummy::updateOwnCallsign(const CCallsign &callsign)
         {
             QWriteLocker l(&m_lock);
diff --git a/src/blackmisc/simulation/ownaircraftproviderdummy.h b/src/blackmisc/simulation/ownaircraftproviderdummy.h
index e72f4288b..be9ae19c3 100644
--- a/src/blackmisc/simulation/ownaircraftproviderdummy.h
+++ b/src/blackmisc/simulation/ownaircraftproviderdummy.h
@@ -102,6 +102,9 @@ namespace BlackMisc
             //! \copydoc IOwnAircraftProvider::updateOwnParts
             virtual bool updateOwnParts(const BlackMisc::Aviation::CAircraftParts &parts) override;
 
+            //! \copydoc IOwnAircraftProvider::updateOwnCG
+            virtual bool updateOwnCG(const BlackMisc::PhysicalQuantities::CLength &cg) override;
+
         private:
             BlackMisc::Simulation::CSimulatedAircraft m_ownAircraft;
             mutable QReadWriteLock m_lock; //!< lock for m_ownAircraft