Originally Posted by
PPRuNe Towers
I didn't mention heading at any point in my analysis Kulverstukas as it never varied from a track of 045 even after they had gone manual and were fighting with the aircraft. Limited my comments entirely to pushing and pulling.
The track of 045 is just FR24's incorrect interpretation when, as in this case, an aircraft sends zero values for the two ADS-B airborne velocity components (N-S and E-W).
The absence of any groundspeed in the ADS-B data, once airborne, is for the same reason.