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Last updated: 1 December 2020
Statuts:Enquête Officielle
Date:samedi 28 avril 2007
Heure:11:05
Type/Sous-type:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
Britten-Norman BN-2A-20 Islander
Compagnie:McCall Aviation
Immatriculation: N634MA
Numéro de série: 464
Année de Fabrication: 1975-09-10 (31 years 8 months)
Heures de vol:16257
Moteurs: 2 Lycoming IO-540-K1B5
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 1
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:S of Hamilton-Ravalli County Airport, MT (   Etats-Unis d'Amérique)
Phase de vol: En montée initiale (ICL)
Nature:Charter National
Aéroport de départ:Hamilton-Ravalli County Airport, MT, Etats-Unis d'Amérique
Aéroport de destination:Selway Lodge Airstrip, ID, Etats-Unis d'Amérique
Détails:
During the initial climb after takeoff, just after the aircraft passed 400 feet above ground level (agl), the pilot shut off the fuel boost pumps in preparation for the en route climb. Soon thereafter, one of the engines lost power without warning, and because he was carrying a heavy load, he immediately feathered the propeller and started looking for a place to put the aircraft down. Because there was rising terrain and scattered houses south of the airport, he had to maneuver to get to an open area. During the forced landing on the uneven terrain, one of the landing gear legs collapsed, and the aircraft impacted the terrain and slid into a power pole. A post-accident teardown inspection of the engine and the aircraft systems did not reveal any anomalies that would have resulted in the failure of the engine that lost power.

Probable Cause:

PROBABLE CAUSE: "The loss of power in one engine, for undetermined reasons, soon after establishing the takeoff departure climb. Factors include rough/uneven terrain."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 236 days (8 months)
Accident number: SEA07LA114
Download report: Summary report

Sources:
» NTSB


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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 Hamilton-Ravalli County Airport, MT et Selway Lodge Airstrip, ID est de 61 km (38 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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