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Statuts:Enquête Officielle
Date:mardi 10 février 2004
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Compagnie:Grant Aviation
Immatriculation: N1276P
Numéro de série: 208B0852
Année de Fabrication: 2000
Heures de vol:3897
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 6
Total:victimes: 0 / à bord: 7
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Toksook Bay Airport, AK (OOK) (   Etats-Unis d'Amérique)
Phase de vol: Au décollage (TOF)
Nature:Transport de Passagers Nat.
Aéroport de départ:Toksook Bay Airport, AK (OOK/PAOO), Etats-Unis d'Amérique
Aéroport de destination:Newtok Airport, AK (WWT/PAEW), Etats-Unis d'Amérique
The commercial certificated pilot was departing on a VFR scheduled commuter flight. The runway was 3,200 feet long and 60 feet wide, and the surface had areas of packed snow and ice. A right crosswind was estimated between 15 to 25 knots. About 300 feet after beginning the takeoff roll, between 30 to 50 knots airspeed, the airplane began to drift to the left, which the pilot was unable to correct. The airplane departed off the left side of the runway and nosed over. The airplane received damage to the wings, fuselage, and empennage. The maximum demonstrated crosswind velocity, takeoff or landing, is 20 knots.

Probable Cause:

Probable Cause and Findings:
The pilot's inadequate planning and decision to initiate a takeoff into a crosswind that exceeded the airplane's demonstrated crosswind component, which resulted in a loss of directional control during the takeoff roll, and subsequent collision with terrain and nose over.
Factors contributing to the accident were the crosswind, an icy runway, and the pilot's failure to abort the takeoff.

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 204 days (7 months)
Accident number: ANC04LA032
Download report: Summary report
Language: English


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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 Toksook Bay Airport, AK et Newtok Airport, AK est de 50 km (31 miles).
Accident location: Approximate; accuracy within a few 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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