TWA Flight 841 (1979)
| N840TW, the aircraft involved, four years before the accident | |
| Accident | |
|---|---|
| Date | April 4, 1979 | 
| Summary | Uncontrolled descent; cause disputed | 
| Site | Over Saginaw, Michigan, United States | 
| Aircraft | |
| Aircraft type | Boeing 727-31 | 
| Operator | Trans World Airlines | 
| IATA flight No. | TW841 | 
| ICAO flight No. | TWA841 | 
| Call sign | TWA 841 | 
| Registration | N840TW | 
| Flight origin | John F. Kennedy International Airport, New York City, United States | 
| Destination | Minneapolis-Saint Paul International Airport, Minneapolis, United States | 
| Occupants | 89 | 
| Passengers | 82 | 
| Crew | 7 | 
| Fatalities | 0 | 
| Injuries | 8 | 
| Survivors | 89 | 
TWA Flight 841 was a scheduled passenger flight from John F. Kennedy International Airport, New York City, en route to Minneapolis-Saint Paul International Airport in Minneapolis, Minnesota. On the evening of April 4, 1979, while flying over Saginaw, Michigan, the Boeing 727-31 airliner began a sharp, uncommanded roll to the right, and subsequently went into a spiral dive. The pilots were able to regain control of the aircraft and made an emergency landing at Detroit Metropolitan Airport.