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Last updated: 1 December 2020
Statuts:Enquête Officielle
Date:jeudi 4 janvier 1996
Type/Sous-type:Silhouette image of generic BE10 model; specific model in this crash may look slightly different
Beechcraft B100 King Air
Compagnie:West Star Aviation
Immatriculation: N924WS
Numéro de série: BE-63
Année de Fabrication: 1978
Heures de vol:9449
Moteurs: 2 Garrett TPE331
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 3
Total:victimes: 0 / à bord: 5
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Miles City Municipal Airport, MT (MLS) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Nature:Charter National
Aéroport de départ:Billings Municipal Airport, MT (BIL/KBIL), Etats-Unis d'Amérique
Aéroport de destination:Miles City Municipal Airport, MT (MLS/KMLS), Etats-Unis d'Amérique
A Beechcraft B100 King Air, N924WS, sustained substantial damage when it contacted a snow berm during landing rollout at Miles City, Montana. The airline transport pilot, commercial pilot, and three passengers on board the aircraft were not injured. The flight had originated at Billings Municipal Airport, MT (BIL) about 06:55. Instrument meteorological conditions prevailed at the time of the accident. There was no fire, and no report of the ELT actuating.
The crew landed on the runway in low visibility with the runway lights visible. After touchdown, the left main landing gear contacted a berm or snowbank on the left side of the plowed area, and the pilots were unable to maintain directional control. The aircraft drifted off the left side of the runway and came to rest on a reverse heading. The nose landing gear sheared as the aircraft left the runway. The runway, which was 100 feet in width, had been plowed to about 45.5 feet width along the centerline. No notams had been filed concerning the partially plowed condition of the runway.

Probable Cause:

PROBABLE CAUSE: "Failure of airport personnel to properly remove snow from the runway or issue an appropriate notam concerning the runway condition. Factors relating to the accident were: the low light condition at dawn, and the snowbank or berm that was left on the runway."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 154 days (5 months)
Accident number: SEA96LA038
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 Billings Municipal Airport, MT et Miles City Municipal Airport, MT est de 215 km (134 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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