diff --git a/src/plugins/simulator/xplane/simulatorxplane.cpp b/src/plugins/simulator/xplane/simulatorxplane.cpp
index 28ea99528..7c14c6b9c 100644
--- a/src/plugins/simulator/xplane/simulatorxplane.cpp
+++ b/src/plugins/simulator/xplane/simulatorxplane.cpp
@@ -768,6 +768,7 @@ namespace BlackSimPlugin
 
             PlanesPositions planesPositions;
             PlanesSurfaces planesSurfaces;
+            PlanesTransponders planesTransponders;
 
             int aircraftNumber = 0;
             for (const CXPlaneMPAircraft &xplaneAircraft : xplaneAircraftList)
@@ -775,6 +776,12 @@ namespace BlackSimPlugin
                 const CCallsign callsign(xplaneAircraft.getCallsign());
                 Q_ASSERT_X(!callsign.isEmpty(), Q_FUNC_INFO, "missing callsign");
 
+                planesTransponders.callsigns.push_back(callsign.asString());
+                planesTransponders.codes.push_back(xplaneAircraft.getAircraft().getTransponderCode());
+                CTransponder::TransponderMode transponderMode = xplaneAircraft.getAircraft().getTransponderMode();
+                planesTransponders.idents.push_back(transponderMode == CTransponder::StateIdent);
+                planesTransponders.modeCs.push_back(transponderMode == CTransponder::ModeC);
+
                 // setup
                 const CInterpolationAndRenderingSetupPerCallsign setup = this->getInterpolationSetupConsolidated(callsign);
 
@@ -830,6 +837,11 @@ namespace BlackSimPlugin
 
             } // all callsigns
 
+            if (!planesTransponders.isEmpty())
+            {
+                m_trafficProxy->setPlanesTransponders(planesTransponders);
+            }
+
             if (!planesPositions.isEmpty())
             {
                 if (CBuildConfig::isLocalDeveloperDebugBuild())
diff --git a/src/plugins/simulator/xplane/xswiftbustrafficproxy.h b/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
index 50377e8a6..58e8a428a 100644
--- a/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
+++ b/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
@@ -93,10 +93,10 @@ namespace BlackSimPlugin
             //! Is empty?
             bool isEmpty() const { return callsigns.isEmpty(); }
 
-            QStringList callsigns;
-            QList<int> codes;
-            QList<bool> modeCs;
-            QList<bool> idents;
+            QStringList callsigns;  //!< List of callsigns
+            QList<int> codes;       //!< List of transponder codes
+            QList<bool> modeCs;     //!< List of active mode C's
+            QList<bool> idents;     //!< List of active idents
         };
 
         /*!