List of accidents and incidents involving commercial aircraft 1960 – 1989
November 24 – A man reported as D. B. Cooper hijacks Northwest Orient Airlines Flight 305, a Boeing 727, out of Portland, Oregon, releasing the passengers in exchange for US$200,000 and four parachutes; the crew takes off with Cooper on board, and he parachutes from the plane; Cooper is never found and his fate remains unknown, although a roll of bills from his ransom is found in a riverbed many years later.