Accident
Last updated: 30 September 2014
Statuts:Enquête Officielle
Date:vendredi 15 mars 2002
Heure:02:00
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Super Cargomaster
Compagnie:Priority Air Charter
Immatriculation: N228PA
Numéro de série: 208B-0049
Année de Fabrication: 1988
Heures de vol:9942
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
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:8 km (5 milles) S of Alma, WI (   Etats-Unis d'Amérique) show on map
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Minneapolis-St. Paul International Airport, MN (MSP/KMSP), Etats-Unis d'Amérique
Aéroport de destination:Detroit-Willow Run Airport, MI (YIP/KYIP), Etats-Unis d'Amérique
Détails:
The Caravan departed Minneapolis (MSP) at 01:05 for Detroit (YIP). The aircraft entered an area of icing conditions and descended from 5000 feet back to 4000 feet. At 01:45 the pilot reported problems maintaining altitude: "...looks like we're gonna need to land somewhere we're starting to have a hard time holding altitude here." The Minneapolis ARTCC controller informed N228PA that the Winona airport (ONA) was about 22 miles at the one o'clock position.
The pilot decided to divert to Winona but continued to lose altitude. The minimum safe altitude for the Winona area was 3,000 feet msl, but at 01:52 the pilot advised that he was unable to maintain that altitude. About 17 nm (31 km) north-northwest of Winona, the aircraft crashed into trees.


PROBABLE CAUSE: "The pilot not removing the ice contamination from the airplane prior to departure and the pilot intentionally flying into known severe icing conditions, resulting in the aircraft not being able to maintain altitude/clearance from the terrain. Factors to the accident included the icing conditions and the trees encountered during the forced landing."

Sources:
» NTSB


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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Minneapolis-St. Paul International Airport, MN et Detroit-Willow Run Airport, MI est de 828 km (517 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 tels qui sont connus à ce jour.
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