Crash of USAir Flight 427

Date: September 8, 1994 • Location: Aliquippa, United States

USAir Flight 427 crashed on approach to Pittsburgh International Airport, resulting in 132 deaths and the longest accident investigation in the history of the National Transportation Safety Board.

USAir Flight 427 was a scheduled flight from Chicago's O'Hare International Airport to Palm Beach International Airport, Florida, with a stopover at Pittsburgh International Airport. On Thursday, September 8, 1994, the Boeing 737-300 flying this route crashed in Hopewell Township, Beaver County, Pennsylvania while approaching Runway 28R at Pittsburgh, which was USAir's largest hub at the time.