

Descripción:
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."
| Estado: | Accident investigation report completed and information captured |
| Fecha: | miércoles 11 febrero 1981 |
| Hora: | 18:40 |
| Tipo: |  Lockheed L-1329 JetStar 731 |
| Operador: | Texasgulf Aviation |
| Registración: | N520S |
| Numéro de série: | 5084 |
| Año de Construcción: | 1966 |
| Horas Totales de la Célula: | 7413 |
| Ciclos: | 5308 |
| Motores: | 4 Garrett TFE731 |
| Tripulación: | Fatalidades: 2 / Ocupantes: 2 |
| Pasajeros: | Fatalidades: 6 / Ocupantes: 6 |
| Total: | Fatalidades: 8 / Ocupantes: 8 |
| Daños en la Aeronave: | Anulado |
| Consecuencias: | Written off (damaged beyond repair) |
| Ubicación: | Westchester County Airport, NY (HPN) ( Estados Unidos de América)
|
| Fase: | Aproximación (APR) |
| Naturaleza: | Ejecutivo |
| Aeropuerto de Salida: | Toronto International Airport, ON (YYZ/CYYZ), Canadá |
| White Plains-Westchester County Airport, NY (HPN/KHPN), Estados Unidos de América |
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:
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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Subsiguiente / acciones de seguridad
NTSB issued 1 Safety Recommendation
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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Toronto International Airport, ON to White Plains-Westchester County Airport, NY as the crow flies is 562 km (351 miles).
Distance from Toronto International Airport, ON to White Plains-Westchester County Airport, NY as the crow flies is 562 km (351 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Lockheed JetStar
- 204 built
- 5th loss
- 4th accidente fatal
- The worst accident (a la hora)
- 2nd worst accident (actualmente)
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