Trans World Airlines Flight 514 was a domestic scheduled flight of Trans World Airlines from Indianapolis, Indiana, and Columbus, Ohio, to Washington National Airport. On December 1, 1974, the Boeing 727-231 serving the flight was diverted to Washington Dulles International Airport but crashed into Mount Weather, Virginia. All 92 occupants aboard, 85 passengers and 7 crew members, died. In stormy conditions late in the morning, the aircraft was in controlled flight and struck a low mountain 25 nautical miles northwest of its revised destination.