Détails:
The aircraft was on a corporate flight from Philadelphia International Airport, USA, to Toronto International Airport when it crashed, 7.6. nm from the threshold of runway 24R while being vectored for an ILS approach.
The aircraft was observed to descend steeply from cloud and execute a series of abrupt, rolling movements, before striking the ground in a nose low, inverted attitude. A severe fire followed. The two crew members and three passengers die in the crash.
The investigators noted that there are indications of a pre-impact internal failure in the low pressure compressor of the right engine. The cause of this could not be determined.
There are also indications that the left engine was flamed out and windmilling at impact. The cause of this could not be determined.
It was also noted that wing anti-ice was not operating at impact, while icing conditions were present along the flight path of N99S as it descended and approached the localizer.
Cause-Related Findings
1. The cause or causes of this accident could not be determined.
| Statuts: | Accident investigation report completed and information captured |
| Date: | mardi 11 janvier 1983 |
| Type/Sous-type: |  Rockwell Sabreliner 65 |
| Compagnie: | Sun Oil Co |
| Immatriculation: | N99S |
| Numéro de série: | 465-64 |
| Année de Fabrication: | 1981 |
| Heures de vol: | 668 |
| Cycles: | 407 |
| Moteurs: | 2 Garrett TFE731-3R-1D |
| Equipage: | victimes: 2 / à bord: 2 |
| Passagers: | victimes: 3 / à bord: 3 |
| Total: | victimes: 5 / à bord: 5 |
| Dégats de l'appareil: | Détruit |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | 13 km (8.1 milles) NE of Toronto International Airport, ON (YYZ) ( Canada)
|
| Phase de vol: | En approche (APR) |
| Nature: | Affaires |
| Aéroport de départ: | Philadelphia International Airport, PA (PHL/KPHL), Etats-Unis d'Amérique |
| Toronto International Airport, ON (YYZ/CYYZ), Canada |
The aircraft was on a corporate flight from Philadelphia International Airport, USA, to Toronto International Airport when it crashed, 7.6. nm from the threshold of runway 24R while being vectored for an ILS approach.
The aircraft was observed to descend steeply from cloud and execute a series of abrupt, rolling movements, before striking the ground in a nose low, inverted attitude. A severe fire followed. The two crew members and three passengers die in the crash.
The investigators noted that there are indications of a pre-impact internal failure in the low pressure compressor of the right engine. The cause of this could not be determined.
There are also indications that the left engine was flamed out and windmilling at impact. The cause of this could not be determined.
It was also noted that wing anti-ice was not operating at impact, while icing conditions were present along the flight path of N99S as it descended and approached the localizer.
Probable Cause:
Cause-Related Findings
1. The cause or causes of this accident could not be determined.
Sources:
» CASB Report No. 83-030901Opérations de secours
CASB issued 4 Safety Recommendations
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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 Philadelphia International Airport, PA et Toronto International Airport, ON est de 554 km (346 miles).
Accident location: Exact; deduced from official accident report.
La distance entre Philadelphia International Airport, PA et Toronto International Airport, ON est de 554 km (346 miles).
Accident location: Exact; deduced from official accident report.
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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Sabreliner
- 671 built
- 29ème loss
- 22ème accident fatal
- le accident 4ème le plus grave (à ce moment là)
- le accident 9ème le plus grave (en ce moment)
Canada- le accident 62ème le plus grave (à ce moment là)
- le accident 82ème le plus grave (en ce moment)
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