diff --git a/src/blackmisc/simulation/simdirectaccessownaircraft.cpp b/src/blackmisc/simulation/simdirectaccessownaircraft.cpp
new file mode 100644
index 000000000..cdd1bce1b
--- /dev/null
+++ b/src/blackmisc/simulation/simdirectaccessownaircraft.cpp
@@ -0,0 +1,91 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "simdirectaccessownaircraft.h"
+#include "blackmisc/avaircraft.h"
+
+using namespace BlackMisc::Aviation;
+using namespace BlackMisc::PhysicalQuantities;
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+
+        const CSimulatedAircraft &COwnAircraftProviderSupportReadOnly::ownAircraft() const
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "ownAircraft", "No object available");
+            return this->m_ownAircraftProvider->ownAircraft();
+        }
+
+        const CSimulatedAircraft &COwnAircraftProviderSupport::ownAircraft() const
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "ownAircraft", "No object available");
+            return this->m_ownAircraftProvider->ownAircraft();
+        }
+
+        CSimulatedAircraft &COwnAircraftProviderSupport::ownAircraft()
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "ownAircraft", "No object available");
+            return this->m_ownAircraftProvider->ownAircraft();
+        }
+
+        bool COwnAircraftProviderSupport::providerUpdateCockpit(const CComSystem &com1, const CComSystem &com2, const CTransponder &transponder, const QString &originator)
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "providerUpdateCockpit", "No object available");
+            return this->m_ownAircraftProvider->updateCockpit(com1, com2, transponder, originator);
+        }
+
+        bool COwnAircraftProviderSupport::providerUpdateActiveComFrequency(const CFrequency &frequency, int comUnit, const QString &originator)
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "providerUpdateActiveComFrequency", "No object available");
+            return this->m_ownAircraftProvider->updateActiveComFrequency(frequency, comUnit, originator);
+        }
+
+        bool COwnAircraftProviderSupport::providerUpdateSelcal(const CSelcal &selcal, const QString &originator)
+        {
+            Q_ASSERT_X(this->m_ownAircraftProvider, "providerUpdateSelcal", "No object available");
+            return this->m_ownAircraftProvider->updateSelcal(selcal, originator);
+        }
+
+        bool COwnAircraftProviderDummy::updateCockpit(const Aviation::CComSystem &com1, const Aviation::CComSystem &com2, const Aviation::CTransponder &transponder, const QString &originator)
+        {
+            ownAircraft().setCom1System(com1);
+            ownAircraft().setCom2System(com2);
+            ownAircraft().setTransponder(transponder);
+            Q_UNUSED(originator);
+            return true;
+        }
+
+        bool COwnAircraftProviderDummy::updateActiveComFrequency(const PhysicalQuantities::CFrequency &frequency, int comUnit, const QString &originator)
+        {
+            if (!CComSystem::isValidComFrequency(frequency)) { return false; }
+            CComSystem::ComUnit comUnitEnum = static_cast<CComSystem::ComUnit>(comUnit);
+            CComSystem com = ownAircraft().getComSystem(comUnitEnum);
+            com.setFrequencyActive(frequency);
+            ownAircraft().setComSystem(com, comUnitEnum);
+            Q_UNUSED(originator);
+            return true;
+        }
+
+        bool COwnAircraftProviderDummy::updateSelcal(const CSelcal &selcal, const QString &originator)
+        {
+            ownAircraft().setSelcal(selcal);
+            Q_UNUSED(originator);
+            return true;
+        }
+
+        COwnAircraftProviderDummy *COwnAircraftProviderDummy::instance()
+        {
+            static COwnAircraftProviderDummy *dummy = new COwnAircraftProviderDummy();
+            return dummy;
+        }
+
+    } // namespace
+} // namespace
diff --git a/src/blackmisc/simulation/simdirectaccessownaircraft.h b/src/blackmisc/simulation/simdirectaccessownaircraft.h
new file mode 100644
index 000000000..23afbe889
--- /dev/null
+++ b/src/blackmisc/simulation/simdirectaccessownaircraft.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_SIMDIRECTACCESSOWNAIRCRAFT_H
+#define BLACKMISC_SIMDIRECTACCESSOWNAIRCRAFT_H
+
+#include "blackmisc/simulation/simulatedaircraft.h"
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        //! Direct in memory access to own aircraft
+        class IOwnAircraftProviderReadOnly
+        {
+        public:
+            //! Own aircraft
+            virtual const CSimulatedAircraft &ownAircraft() const = 0;
+
+            //! Destructor
+            virtual ~IOwnAircraftProviderReadOnly() {}
+        };
+
+        //! Direct in memory access to own aircraft
+        class IOwnAircraftProvider : public IOwnAircraftProviderReadOnly
+        {
+        public:
+            //! Own aircraft
+            virtual CSimulatedAircraft &ownAircraft() = 0;
+
+            // cockpit related updates, which can come from multiple sources
+            // and are subject of roundtrips
+
+            //! Update cockpit, but send signals when applicable
+            virtual bool updateCockpit(const BlackMisc::Aviation::CComSystem &com1, const BlackMisc::Aviation::CComSystem &com2, const BlackMisc::Aviation::CTransponder &transponder, const QString &originator) = 0;
+
+            //! Update cockpit, but send signals when applicable
+            virtual bool updateActiveComFrequency(const BlackMisc::PhysicalQuantities::CFrequency &frequency, int comUnit, const QString &originator) = 0;
+
+            //! Update cockpit, but send signals when applicable
+            virtual bool updateSelcal(const BlackMisc::Aviation::CSelcal &selcal, const QString &originator) = 0;
+        };
+
+        //! For testing
+        class COwnAircraftProviderDummy : public QObject, public IOwnAircraftProvider
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            COwnAircraftProviderDummy() = default;
+
+            //! Singleton
+            static COwnAircraftProviderDummy *instance();
+
+            //! \copydoc IOwnAircraftProviderReadOnly::ownAircraft
+            virtual const CSimulatedAircraft &ownAircraft() const { return this->m_ownAircraft; }
+
+            //! \copydoc IOwnAircraftProvider::ownAircraft
+            virtual CSimulatedAircraft &ownAircraft() { return this->m_ownAircraft; }
+
+        public slots:
+            //! \copydoc IOwnAircraftProvider::updateCockpit
+            virtual bool updateCockpit(const BlackMisc::Aviation::CComSystem &com1, const BlackMisc::Aviation::CComSystem &com2, const BlackMisc::Aviation::CTransponder &transponder, const QString &originator) override;
+
+            //! \copydoc IOwnAircraftProvider::updateComFrequency
+            virtual bool updateActiveComFrequency(const BlackMisc::PhysicalQuantities::CFrequency &frequency, int comUnit, const QString &originator) override;
+
+            //! \copydoc IOwnAircraftProvider::updateSelcal
+            virtual bool updateSelcal(const BlackMisc::Aviation::CSelcal &selcal, const QString &originator) override;
+
+        private:
+            BlackMisc::Simulation::CSimulatedAircraft m_ownAircraft;
+        };
+
+        //! Class which can be directly used providing access to such an interface
+        class COwnAircraftProviderSupportReadOnly
+        {
+        public:
+            //! \copydoc IOwnAircraftProviderReadOnly::ownAircraft
+            virtual const CSimulatedAircraft &ownAircraft() const;
+
+        protected:
+            //! Constructor
+            COwnAircraftProviderSupportReadOnly(const IOwnAircraftProviderReadOnly *ownAircraftProvider) : m_ownAircraftProvider(ownAircraftProvider) {}
+            const IOwnAircraftProviderReadOnly *m_ownAircraftProvider = nullptr; //!< access to object
+        };
+
+        //! Delegating class which can be directly used providing access to such an interface
+        class COwnAircraftProviderSupport
+        {
+        public:
+            //! \copydoc IOwnAircraftProviderReadOnly::ownAircraft
+            virtual const CSimulatedAircraft &ownAircraft() const;
+
+            //! \copydoc IOwnAircraftProvider::ownAircraft
+            virtual CSimulatedAircraft &ownAircraft();
+
+            //! \copydoc IOwnAircraftProvider::updateCockpit
+            virtual bool providerUpdateCockpit(const BlackMisc::Aviation::CComSystem &com1, const BlackMisc::Aviation::CComSystem &com2, const BlackMisc::Aviation::CTransponder &transponder, const QString &originator);
+
+            //! \copydoc IOwnAircraftProvider::updateComFrequency
+            virtual bool providerUpdateActiveComFrequency(const BlackMisc::PhysicalQuantities::CFrequency &frequency, int comUnit, const QString &originator);
+
+            //! \copydoc IOwnAircraftProvider::updateSelcal
+            virtual bool providerUpdateSelcal(const BlackMisc::Aviation::CSelcal &selcal, const QString &originator);
+
+        protected:
+            //! Constructor
+            COwnAircraftProviderSupport(IOwnAircraftProvider *ownAircraftProvider) : m_ownAircraftProvider(ownAircraftProvider) { Q_ASSERT(ownAircraftProvider); }
+            IOwnAircraftProvider *m_ownAircraftProvider = nullptr; //!< access to object
+        };
+
+    } // namespace
+} // namespace
+
+#endif // guard