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Last updated: 25 September 2021
Statuts:Enquête Officielle
Date:lundi 9 mars 1992
Heure:15:50
Type/Sous-type:Silhouette image of generic L101 model; specific model in this crash may look slightly different
Lockheed L-1011-385-3 TriStar 500
Compagnie:BWIA International
Immatriculation: 9Y-TGJ
Numéro de série: 1179
Année de Fabrication: 1979
Heures de vol:33556
Moteurs: 3 Rolls-Royce RB211-524B4-02
Equipage:victimes: 0 / à bord: 13
Passagers:victimes: 0 / à bord: 173
Total:victimes: 0 / à bord: 186
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:près de KIRN VOR (   Allemagne)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:Frankfurt International Airport (FRA/EDDF), Allemagne
Aéroport de destination:Saint Lucia-Hewanorra Airport (UVF/TLPL), Sainte-Lucie
Numéro de vol: 981
Détails:
Fifteen minutes after takeoff from Frankfurt Airport, while climbing through FL100 the translating cowl of the no. 1 engine thrust reverser became detached, struck the leading edge of the left horizontal stabiliser and fell to the ground. The commander subsequently shut down the engine and diverted to London Heathrow Airport where an uneventful overweight landing was made. The aircraft had had two previous malfunctions of the No 1 engine thrust reverser system.

Probable Cause:

CAUSES: (1) The ground engineer took actions which were not supported by his knowledge of the aircraft and, unrealised by him, were not mandated by the Master Minimum Equipment List.; (2) The ground engineer's supervisors failed to identify that an incorrect procedure had been followed although he had communicated his actions clearly to them.; (3) Damage became evident which was probably an indication of progressive cowl failure but it was not recognised as such."

Accident investigation:
cover
Investigating agency: AAIB
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: AAIB AAR 3/1993
Download report: Final report


Opérations de secours

AAIB issued 2 Safety Recommendations

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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 Frankfurt International Airport et Saint Lucia-Hewanorra Airport est de 7329 km (4580 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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