Originally Posted by
vanHorck
Do we know how long the airplane was airborne? 8000 ft final altitude and Teheran Airport elevation 3,300 ft suggests a climb of 4,700 ft or approx 3 minutes climb @ 1800 ft/min.
Would an aircraft climb this high if there was an early issue such as the Concorde scenario some mentioned?
Two minutes and 24 seconds elapsed between the first airborne transmission (at about 350' AAL) and the last received at FL80.