Aeroflot Flight 331 , refers to an Ilyushin Il-62M , that crashed approximately away from José Martí International Airport , in Havana , Cuba , on 27 May 1977 . The accident occurred after the aircraft hit power lines on its final approach to the airport , during poor weather . The aircraft was attempting an emergency landing , due to a fire in one of its engines . Only two of the 70 occupants on board survived ; another person on the ground was also killed . At the time the accident took place , it was the deadliest aviation accident in Cuba 's history ; , it remains the third-deadliest one , behind the crashes of Cubana Flight 9646 in 1989 and Cubana Flight 972 in 2018 , respectively . The cause of the crash was determined as pilot error according to the official report
Cubana Flight 972
Cubana de Aviación Flight 972
Aeroflot Flight 331