Aviateca Flight 901 was a scheduled international passenger flight which crashed into the 7,159-foot (2,182 m) San Vicente volcano in El Salvador of a Boeing 737-2H6 on approach to the Comalapa International Airport on 9 August 1995. The accident killed all 65 passengers and crew on board and is the deadliest aviation disaster to occur in El Salvador. An investigation by the Civil Aviation Authority determined that pilot error and air traffic control error in bad weather contributed to the accident.