diff --git a/src/blackmisc/simulation/simulatedaircraft.cpp b/src/blackmisc/simulation/simulatedaircraft.cpp
index 88563fd19..84df9f42c 100644
--- a/src/blackmisc/simulation/simulatedaircraft.cpp
+++ b/src/blackmisc/simulation/simulatedaircraft.cpp
@@ -102,6 +102,12 @@ namespace BlackMisc
             this->m_pilot.setCallsign(this->m_callsign);
         }
 
+        bool CSimulatedAircraft::isEnabled() const
+        {
+            if (!this->hasModelString()) { return false; }
+            return m_enabled;
+        }
+
         const QString &CSimulatedAircraft::getAircraftIcaoCodeDesignator() const
         {
             return getAircraftIcaoCode().getDesignator();
diff --git a/src/blackmisc/simulation/simulatedaircraft.h b/src/blackmisc/simulation/simulatedaircraft.h
index 413f66f25..a7a845fec 100644
--- a/src/blackmisc/simulation/simulatedaircraft.h
+++ b/src/blackmisc/simulation/simulatedaircraft.h
@@ -386,8 +386,8 @@ namespace BlackMisc
             //! Set pilot
             void setPilot(const BlackMisc::Network::CUser &user);
 
-            //! Enabled?
-            bool isEnabled() const { return m_enabled; }
+            //! Enabled? Enable means it shall be displayed in the simulator
+            bool isEnabled() const;
 
             //! Enabled / disabled
             void setEnabled(bool enabled) { m_enabled = enabled; }