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Accident
Last updated: 17 October 2017
Statuts:Enquête Officielle
Date:mercredi 18 janvier 1995
Heure:09:03
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Super Cargomaster
Compagnie:Martinaire
Immatriculation: N9461B
Numéro de série: 208B-0076
Année de Fabrication: 1988
Heures de vol:3984
Moteurs: 1 Pratt & Whitney Canada PT6A-114
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 1
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:près de Lubbock International Airport, TX (LBB) (   Etats-Unis d'Amérique)
Phase de vol: En montée initiale (ICL)
Nature:Cargo
Aéroport de départ:Lubbock International Airport, TX (LBB/KLBB), Etats-Unis d'Amérique
Aéroport de destination:Midland International Airport, TX (MAF/KMAF), Etats-Unis d'Amérique
Numéro de vol: 817
Détails:
On January 18, just after midnight a light rain started falling on the ramp at Lubbock (LBB) where the airplane N9461R was parked. The temperature was dropping steadily. By 05:19 the precipitation had turned to light rain, light snow, and fog. By 06:25 the rain stopped, and the light snow and fog continued until after the accident.
The pilot cleaned snow off the airplane. However, under the snow, 80% of the airplanes wing was covered with a coarse layer of ice from 1/16 inch (1,6 mm) to 3/16 inch (4,8 mm) thickness that was not removed. The airplane departed from runway 35L, intersection Foxtrot, at 09:01. During the instrument departure climbing turn, at 400 feet above the ground, the engine surged and lost power. The aircraft began to lose altitude and the pilot landed in a snow covered flat field of winter wheat. The engine was broken from its mounts and forced under the airplane on the pilot's side and the belly pod was crushed on first impact.

Probable Cause:

PROBABLE CAUSE: "The pilot's failure to remove ice from the airframe prior to takeoff. Factors were freezing rain the night before and the pilots' incomplete preflight inspection."

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 Lubbock International Airport, TX et Midland International Airport, TX est de 193 km (121 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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