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Accident
Last updated: 24 October 2017
Statuts:Enquête Officielle
Date:mardi 25 mai 2004
Type/Sous-type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Compagnie:Yeti Airlines
Immatriculation: 9N-AFD
Numéro de série: 651
Année de Fabrication: 1979
Moteurs: 2 Pratt & Whitney Canada PT6A-27
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 3 / à bord: 3
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:W of Lukla (   Népal)
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Kathmandu-Tribhuvan Airport (KTM/VNKT), Népal
Aéroport de destination:Lukla Airport (LUA/VNLK), Népal
Numéro de vol: 117
Détails:
Crashed into the Lamjura hill while on approach to Lukla. At that the time of the crash there was heavy cloud buildup over the 3,600 m Lamjura Pass which planes have to cross to get into Lukla. The Nepalese accident investigation committee concluded that the captain provided false information to the Area Control Centre by declaring that he was proceeding south of the track while proceeding along the direct track all the time.

Probable Cause:

Hazardous behaviour and attitudes of the captain like over-confidence, being care free, casual non-compliance of SOPS and violation of regulations had caused the accident, it was concluded said. The committee also raised questions on Yeti Airlines’ policy for flying in adverse weather, diverting philosophy, communications procedures, monitoring of flight crew, the company’s inability to initiate in-house investigations and execute corrective actions when required.

Sources:
» Gorkhapatra Sansthan
» Hemant Arjyal
» nepalnews.com
» Reuters


Photos

photo of de Havilland Canada DHC-6 Twin Otter 300 9N-AFD
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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 Kathmandu-Tribhuvan Airport et Lukla Airport est de 134 km (84 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.

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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