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Omsk, Russia
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Russia
💡 On 11 October 1984, a Tupolev Tu-154 operating Aeroflot Flight 3352 crashed into maintenance vehicles on the runway while landing at Omsk Airport in the Soviet Union, killing 174 people on board and four more on the ground. An investigation found that an air traffic controller had fallen asleep on duty, one link in a chain of mistakes in airport operations that led to the tragedy.