| Date: | Wednesday 11 February 1981 |
| Time: | 18:40 |
| Type: |  Lockheed L-1329 JetStar 731 |
| Owner/operator: | Texasgulf Aviation |
| Registration: | N520S |
| MSN: | 5084 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 7413 hours |
| Cycles: | 5308 flights |
| Engine model: | Garrett TFE731 |
| Fatalities: | Fatalities: 8 / Occupants: 8 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | Westchester County Airport, NY (HPN) -
 United States of America
|
| Phase: | Approach |
| Nature: | Executive |
| Departure airport: | Toronto International Airport, ON (YYZ/CYYZ) |
| White Plains-Westchester County Airport, NY (HPN/KHPN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A major electrical system failure during a runway 16 ILS approach distracted the pilot. The Jetstar descended into a heavily wooded area, 6000 feet from the approach end of the runway.
Following a recent modification of the generator control circuitry, the aircraft's electrical system had experienced several multiple generator failures.
PROBABLE CAUSE: "A distraction of the pilot at a critical time as a result of a major electrical system malfunction which in combination with the adverse weather environment caused an undetected deviation of the aircraft's flightpath into the terrain."
Accident investigation:
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Sources:
Location
Revision history:
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