Crash-aerien 20 SEP 2007 d'un Shorts SC.7 Skyvan 3-100 N2088Z - Mystic Lake Lodge Airstrip, AK
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Statuts:Accident investigation report completed and information captured
Date:jeudi 20 septembre 2007
Type/Sous-type:Silhouette image of generic SC7 model; specific model in this crash may look slightly different
Shorts SC.7 Skyvan 3-100
Compagnie:Arctic Circle Air Service
Immatriculation: N2088Z
Numéro de série: SH.1963
Année de Fabrication: 1978
Heures de vol:10730
Moteurs: 2 Garrett TPE331-2-201A
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 0 / à bord: 0
Total:victimes: 1 / à bord: 1
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Mystic Lake Lodge Airstrip, AK (   Etats-Unis d'Amérique)
Phase de vol: Au décollage (TOF)
Aéroport de départ:Mystic Lake Lodge Airstrip, AK, Etats-Unis d'Amérique
Aéroport de destination:Anchorage-Ted Stevens International Airport, AK (ANC/PANC), Etats-Unis d'Amérique
Skyvan N2088Z departed Fairbanks International Airport, AK (FAI) on September 1, 2007 on a cargo flight to a remote lodge airstrip (Mystic Lake Lodge), about 82 miles east-northeast of McGrath, Alaska. The gravel surfaced runway was about 1,000 feet long, and about 40 feet wide. During the landing roll it encountered soft terrain. The nose wheel landing gear strut and tire were folded aft and upward, damaging the fuselage structure at the forward edge of the cockpit floor. Temporary repairs were made to the airframe, and a new nose gear assembly was installed by company maintenance personnel. The pilot was to fly the airplane to the company maintenance facility in Anchorage. The airplane was issued a ferry permit by the Federal Aviation Administration (FAA) Anchorage Flight Standards District Office (FSDO). The ferry flight was planned for September 20, 2007.
The Mystic Lake Lodge owner, who was the only person at the lodge, reported that the pilot started the airplane's turboprop engines and taxied the length of the airstrip, stopping momentarily several times. He indicated that the pilot ran the engines for about 20 minutes, and then began the takeoff run toward the south. The airplane appeared to accelerate and remain on the centerline of the airstrip, but did not lift off until the very end of the airstrip. The owner did not notice any unusual sounds or appearance of the engines. After liftoff, the wheels of the airplane struck and broke off the tops of trees and shrubs, that were about 6 to 7 feet above the ground. The airplane immediately veered to the right and crashed into Amos Lake, coming to rest about 300 feet from shore in about 5 feet of water. The entire cockpit area, forward of the wings, was destroyed.

Probable Cause:

PROBABLE CAUSE: "A collision with trees during takeoff-initial climb for an undetermined reason"

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 10 months
Accident number: ANC07FA103
Download report: Summary report


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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 Mystic Lake Lodge Airstrip, AK et Anchorage-Ted Stevens International Airport, AK est de 231 km (144 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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