TWA Flight 514, a Boeing 727, crashes northwest of Dulles International Airport, killing all 92 people on board.

Trans World Airlines Flight 514, registration N54328, was a Boeing 727-231 en route from Indianapolis, Indiana and Columbus, Ohio to Washington Dulles International that crashed into Mount Weather, Virginia, on Sunday, December 1, 1974. All 92 aboard, 85 passengers and seven crew members, were killed. In stormy conditions late in the morning, the aircraft was in controlled flight and impacted a low mountain 25 nautical miles (46 km; 29 mi) northwest of its revised destination.