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Accident
Last updated: 12 December 2017
Statuts:Enquête Officielle
Date:mardi 29 août 1978
Heure:06:42
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-EBO
Numéro de série: 20558/188
Année de Fabrication: 1972-04-14 (6 years 5 months)
Moteurs: 4 Pratt & Whitney JT9D-7J
Equipage:victimes: 0 / à bord: 21
Passagers:victimes: 0 / à bord: 356
Total:victimes: 0 / à bord: 377
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Delhi-Palam Airport (DEL) (   Inde)
Phase de vol: Au décollage (TOF)
Nature:Transport de Passagers Intern.
Aéroport de départ:Delhi-Palam Airport (DEL/VIDP), Inde
Aéroport de destination:Frankfurt International Airport (FRA/EDDF), Allemagne
Numéro de vol:AI123
Détails:
The Boeing 747 was cleared for take-off from Delhi Airport on Runway 28 on its scheduled flight AI123 from Delhi to Frankfurt.
During the take-off roll at approximately 150 knots, a thud sound was heard and take-off was aborted.
Four thrust reversers, wheel brakes and speed brakes were deployed. No 3 and No 4 thrust reversers were ineffective and the aircraft veered to left of runway and entered soft ground resulting in left-hand wing landing gear collapse and substantial damage.

Probable Cause:

The accident is attributed to failure on the part of the crew to stop the aircraft within the available runway length during an aborted take-off following failure of No 3 engine, due to the crew's reaction time in executing aborted take-off procedure being in excess of that allowed for in the scheduled performance criteria. No 3 engine failed during the take-off roll following ingestion of retreaded tyre pieces from the right-hand wing landing gear inboard front wheel.

Sources:
» Civil aircraft accidents 1978 / 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 Delhi-Palam Airport et Frankfurt International Airport est de 6084 km (3803 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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