Aeroflot Flight X-167
Flight X-167 was a scheduled domestic passenger flight operated by Aeroflot from Semipalatinsk to Karaganda on February 28, 1973. The flight, conducted with a Yakovlev Yak-40 aircraft, ended in tragedy when the plane crashed shortly after takeoff, resulting in the deaths of all 32 occupants on board. The exact cause of the accident remains undetermined despite extensive investigation.