Aeroflot Flight 3352
Aeroflot Flight 3352 was a regularly scheduled Aeroflot domestic flight in the Soviet Union from Krasnodar to Novosibirsk, with an intermediate landing in Omsk. While landing at Omsk Airport on Thursday, 11 October 1984, the aircraft crashed into maintenance vehicles on the runway, killing 174 people on board and four on the ground. While a chain of mistakes in airport operations contributed to the accident, its major cause was an air traffic controller falling asleep on duty. As of 2024, this remains the deadliest aviation accident on Russian territory. It was also the deadliest aviation accident involving a Tupolev Tu-154 at the time until the crash of Aeroflot Flight 5143 nine months later; as of 2024, it still ranks as the second-deadliest accident involving a Tupolev Tu-154.