Lineas Aereas Nacionales SA (Peru) Flight 502Sunday August 9, 1970
The flight crashed shortly after takeoff after the No. 3 engine failed. Procedural error after an emergency occurred. With flaps retracted, the aircraft lost altitude and crashed while in a turn. The improper execution of engine-out procedures by the flight crew with contributing factors of improper loading of the aircraft and improper maintenance procedures by company personnel.