On December 23, 1984, at 2:08 pm KRAT (UTC/GMT + 7 hours),[REF] Aeroflot Flight 3519 took off from Krasnoyarsk Airport for Irkutsk Airport, a distance of approximately [REF].
When Flight 3519 passed the outer marker of the runway of Krasnoyarsk Airport, it was flying at a speed of at an altitude of , and was descending at a rate of .