

Détails:
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."
| Statuts: | Accident investigation report completed and information captured |
| Date: | mercredi 11 février 1981 |
| Heure: | 18:40 |
| Type/Sous-type: |  Lockheed L-1329 JetStar 731 |
| Compagnie: | Texasgulf Aviation |
| Immatriculation: | N520S |
| Numéro de série: | 5084 |
| Année de Fabrication: | 1966 |
| Heures de vol: | 7413 |
| Cycles: | 5308 |
| Moteurs: | 4 Garrett TFE731 |
| Equipage: | victimes: 2 / Ã bord: 2 |
| Passagers: | victimes: 6 / Ã bord: 6 |
| Total: | victimes: 8 / Ã bord: 8 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | Westchester County Airport, NY (HPN) ( Etats-Unis d'Amérique)
|
| Phase de vol: | En approche (APR) |
| Nature: | Affaires |
| Aéroport de départ: | Toronto International Airport, ON (YYZ/CYYZ), Canada |
| White Plains-Westchester County Airport, NY (HPN/KHPN), Etats-Unis d'Amérique |
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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Opérations de secours
NTSB issued 1 Safety Recommendation
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Photos
Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Toronto International Airport, ON et White Plains-Westchester County Airport, NY est de 562 km (351 miles).
La distance entre Toronto International Airport, ON et White Plains-Westchester County Airport, NY est de 562 km (351 miles).
Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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Lockheed JetStar
- 204 built
- 5ème loss
- 4ème accident fatal
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