@@ -64,6 +64,7 @@ var data = { # set of data common to all devices

     ias : 0,

     alt : 0,

     hdg : 0,

+    trk : 0,

     wow : 1,

     lat : 0,

     lon : 0,

@@ -96,6 +97,7 @@ var data = { # set of data common to all devices

                 data.ias = getprop('/velocities/airspeed-kt') * units.speed.from_kt;

                 data.alt = getprop('/instrumentation/altimeter/indicated-altitude-ft') * units.altitude.from_ft;

                 data.hdg = getprop('/orientation/heading-deg');

+                data.trk = data.wow ? data.hdg : getprop('/orientation/track-deg');

                 data.aoa = getprop('/orientation/alpha-deg');

             }

         ),