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Accident
Last updated: 14 December 2017
Statuts:Enquête Officielle
Date:samedi 2 juin 1984
Heure:21:19
Type/Sous-type:Silhouette image of generic B742 model; specific model in this crash may look slightly different
Boeing 747-237B
Compagnie:Air-India
Immatriculation: VT-EDU
Numéro de série: 21182/277
Année de Fabrication: 1975-12-15 (8 years 6 months)
Moteurs: 4 Pratt & Whitney JT9D-7J
Equipage:victimes: 0 / à bord: 21
Passagers:victimes: 0 / à bord: 293
Total:victimes: 0 / à bord: 314
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Bangkok-Don Muang International Airport (BKK) (   Inde)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:Bangkok-Don Muang International Airport (BKK/VTBD), Thaïlande
Aéroport de destination:Delhi-Palam Airport (DEL/VIDP), Inde
Numéro de vol:AI315
Détails:
Flight AI315 to Delhi, India, suffered a No 4 engine fire some five minutes after takeoff from Bangkok, Thailand. Both extinguishing bottles were fired, but the fire warning persisted. Fuel dumping was commenced as the crew prepared to return to Bangkok's Don Muang Airport. Meanwhile the flight engineer noted an actual fire as he went down to the passenger cabin to observe.
Fuel dumping was abandoned and the flight made an immediate overweight landing on runway 03L. The fire was contained by the fire services on the ground. During the evacuation, eight passengers were injured.

Probable Cause:

The probable cause of the accident has been attributed as:
The inflight engine fire was caused by a fuel leak on the left forward side of the engine near the air to fuel convertor valve which was observed by the Aircraft Maintenance Engineer during Transit 'C' Check of the aircraft prior to take off but the leak was not conclusively identified and remained unrectified.
The injuries to the passengers were caused as they overshot the escape slide ends due to momentum and grazed the hard ground during the process of emergency evacuation. Non-adherence to the emergency evacuation procedure by some of the cabin crew members was a contributory factor".

Sources:
» Accidents summary 1984 / Ministry of Tourism and Civil Aviation, CAD, ASD


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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 Bangkok-Don Muang International Airport et Delhi-Palam Airport est de 2905 km (1815 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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