List of accidents and incidents involving commercial aircraft 1990 – 2021
December 3 – Northwest Airlines Flight 1482, a McDonnell Douglas DC-9, collides with Northwest Airlines Flight 299, a Boeing 727, when the crew of the DC-9 mistakenly taxies onto the active runway at Detroit Metropolitan Wayne County Airport; 8 of the 54 people on board the DC-9 are killed; all 154 people on board the Boeing 727 survive.