diff --git a/src/blackmisc/simulation/simulatedaircraft.cpp b/src/blackmisc/simulation/simulatedaircraft.cpp
index 9b3811be0..e78f08209 100644
--- a/src/blackmisc/simulation/simulatedaircraft.cpp
+++ b/src/blackmisc/simulation/simulatedaircraft.cpp
@@ -171,16 +171,23 @@ namespace BlackMisc
             case CComSystem::Com2: return this->getCom2System();
             default: break;
             }
-            Q_ASSERT(false);
+            BLACK_VERIFY_X(false, Q_FUNC_INFO, "Wrong unit");
             return CComSystem(); // avoid warning
         }
 
+        void CSimulatedAircraft::setCockpit(const CSimulatedAircraft &aircraft)
+        {
+            this->setCockpit(aircraft.getCom1System(), aircraft.getCom2System(), aircraft.getTransponder());
+            this->setSelcal(aircraft.getSelcal());
+        }
+
         void CSimulatedAircraft::setComSystem(const CComSystem &com, CComSystem::ComUnit unit)
         {
             switch (unit)
             {
             case CComSystem::Com1: this->setCom1System(com); break;
             case CComSystem::Com2: this->setCom2System(com); break;
+            default: BLACK_VERIFY_X(false, Q_FUNC_INFO, "Wrong unit"); break;
             }
         }
 
@@ -205,6 +212,7 @@ namespace BlackMisc
             {
             case CComSystem::Com1: return this->setCom1ActiveFrequency(frequency);
             case CComSystem::Com2: return this->setCom2ActiveFrequency(frequency);
+            default: BLACK_VERIFY_X(false, Q_FUNC_INFO, "Wrong unit"); break;
             }
             return false;
         }
diff --git a/src/blackmisc/simulation/simulatedaircraft.h b/src/blackmisc/simulation/simulatedaircraft.h
index 66e23603c..00b4dc8a8 100644
--- a/src/blackmisc/simulation/simulatedaircraft.h
+++ b/src/blackmisc/simulation/simulatedaircraft.h
@@ -254,6 +254,9 @@ namespace BlackMisc
             //! SELCAL
             const BlackMisc::Aviation::CSelcal getSelcal() const { return m_selcal; }
 
+            //! Set COM unit (all values + transponder and SELCAL)
+            void setCockpit(const BlackMisc::Simulation::CSimulatedAircraft &aircraft);
+
             //! Cockpit data
             void setCockpit(const BlackMisc::Aviation::CComSystem &com1, const BlackMisc::Aviation::CComSystem &com2, const BlackMisc::Aviation::CTransponder &transponder);