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Accident
Last updated: 21 October 2017
Statuts:Enquête Officielle
Date:dimanche 18 novembre 2012
Heure:09:56
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Compagnie:Gogal Air Service
Immatriculation: C-GAGP
Numéro de série: 208B-1213
Année de Fabrication: 2006
Heures de vol:1487
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 0 / à bord: 7
Total:victimes: 1 / à bord: 8
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:2 km (1.3 milles) E of Snow Lake Airport, MB (   Canada)
Phase de vol: En montée initiale (ICL)
Nature:Charter National
Aéroport de départ:Snow Lake Airport, MB, Canada
Aéroport de destination:Winnipeg International Airport, MB (YWG/CYWG), Canada
Détails:
A Cessna 208B Grand Caravan, operated by Gogal Air Service, struck terrain shortly after takeoff from Snow Lake Airport, MB, Canada. The pilot died and the seven passengers were injured.
Gogal Air Services was engaged by a local mining company to transport employees between Snow Lake and Winnipeg, Manitoba. The Caravan had accumulated some rime ice on the leading edges of the wings and the horizontal stabilizer from the flight into Snow Lake on the previous day. During the pre-flight inspection, the pilot tapped the leading edges of the wings with a broom handle in an attempt to remove the ice, but did not do this on the horizontal stabilizer of the aircraft. Ice remained on the leading edges of the wings and tail before the flight. No de-icing or anti-icing fluids were applied to the wing or horizontal stabilizer, and no tactile inspection of the upper wing or tail surfaces was observed.
The airplane departed at 09:55 and climbed to about 225 feet above ground level. It then pitched down. The aircraft's tail began to shudder and oscillate, the wings rocked, and a more pronounced second downward pitch ensued before the aircraft contacted the trees and crashed. There was no fire.

Probable Cause:

Findings as to causes and contributing factors:

1. The aircraft departed Snow Lake overweight and with an accumulation of ice on the leading edges of its wings and tail from the previous flight. As a result, the aircraft had reduced take-off and climb performance and increased stall speed, and the protection afforded by its stall warning system was impaired.
2. A breakdown in the company’s operational control resulted in the flight not operating in accordance with the Canadian Aviation Regulations and the company operations manual.
3. As a result, shortly after departure, the aircraft stalled at an altitude from which recovery was not possible.

Accident investigation:
cover
Investigating agency: TSB Canada
Status: Investigation completed
Duration: 1 year and 6 months
Accident number: A12C0154
Download report: Final report

Sources:
» CBC
» Winnipeg Free Press
» CADORS 2012C4938


Photos

photo of Cessna 208B Grand Caravan C-GAGP
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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 Snow Lake Airport, MB et Winnipeg International Airport, MB est de 577 km (361 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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