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Last updated: 24 September 2018
Statuts:Enquête Officielle
Date:mardi 24 mars 2015
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Supervan 900
Compagnie:Markus Bastuck
Immatriculation: N106BZ
Numéro de série: 208B0106
Année de Fabrication: 1988
Heures de vol:11443
Moteurs: 1 Honeywell TPE331-12JR
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 1
Total:victimes: 0 / à bord: 2
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Verdigris, OK (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Aéroport de départ:Tulsa International Airport, OK (TUL/KTUL), Etats-Unis d'Amérique
Aéroport de destination:Tulsa International Airport, OK (TUL/KTUL), Etats-Unis d'Amérique
The Cessna 208B, N106BZ, collided with terrain and trees during an off airport forced landing in Verdigris, Oklahoma. The force landing was a result of a loss of engine power during an en route climb. The pilot received minor injuries and the passenger was not injured. The airplane was substantially damaged. The aircraft was owned and operated by the pilot as post maintenance test flight. Visual meteorological conditions prevailed for the flight. The flight originated from the Tulsa International Airport, Oklahoma, at 15:00.
The airplane was equipped with a Honeywell TPE331 engine which had been installed about 9 flight hours prior to the accident. The pilot stated they were climbing to 11,000 feet when he noticed a decrease in engine torque with a steady exhaust gas temperature (EGT). As the torque started to drop even more, the EGT also began to decrease.
The pilot attempted to fly to a nearby airstrip, but was unable to maintain sufficient altitude. He then chose a field in which to land. Shortly after touching down, the airplane contacted trees, completely severing the left wing from the fuselage and partially severing the right wing from the fuselage.

Probable Cause:

PROBABLE CAUSE: "The fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure, which resulted in a loss of fuel flow to the engine and the subsequent loss of engine power."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 209 days (7 months)
Accident number: CEN15LA180
Download report: Summary report

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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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