| Date of Accident: | 08 February 1989 |  |
| Airline: | Independent Air |  |
| Aircraft: | Boeing 707-331B | |
| Location: | Santa Maria, Azores, Portugal | |
| Registration: | N7231T | |
| Previous Registrations: | N28727 | |
| Flight Number: | 1851 | |
| Fatalities: | 144:144 | |
| MSN: | 19572 | |
| Line Number: | 687 | |
| Engine Manufacturer: | Pratt & Whitney | |
| Engine Model: | JT3D-3B (HK) | |
| Year of Delivery: | 1968 | |
| Accident Description: | The aircraft impacted terrain after being given an improper vector by air traffic control. ATC error. |
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| Related Links/Information: | Accident Photos - AirDisaster.Com Photo Database |
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