Accident
Last updated: 21 September 2014
Statuts:Enquête Officielle
Date:lundi 11 mai 1987
Heure:18:00
Type/Sous-type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47J (DC-3)
Compagnie:Northland Air Manitoba
Immatriculation: C-FADD
Numéro de série: 14879/26324
Année de Fabrication: 1944
Heures de vol:20284
Moteurs: 2 Pratt & Whitney R-1830-92
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 2 / à bord: 2
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:3 km (1.9 milles) W of Pickle Lake, ON (   Canada)
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Big Trout Airport, ON (YTL/CYTL), Canada
Aéroport de destination:Pickle Lake Airport, ON (YPL/CYPL), Canada
Détails:
Douglas DC-3C C-FADD was returning to Pickle Lake from Big Trout Lake following delivery of a cargo of fuel. This was the third similar and last operation of the day. As the aircraft approached Pickle Lake, the pilot informed the company dispatch office that, prior to landing, he intended to carry out some local training for the benefit of the co-pilot who was scheduled to be upgraded to captain status the following month. The captain, a company training pilot, occupied the right seat. The aircraft entered a west to east holding pattern at the airport's NDB, descending in stages from 8,500 feet asl to 2,700 feet asl, the appropriate altitude for an instrument approach. The pilot transmitted that they would execute an NDB approach and subsequently reported during the procedure turn inbound to the airfield. About three minutes later, two other pilots flying in the vicinity observed the aircraft in a descent with the left wing folded upwards. The aircraft continued descending in an inverted attitude until it struck the ground.

PROBABLE CAUSE: "The Canadian Aviation Safety Board determined that the left wing failed under normal flight loads as a result of a fatigue crack in the centre section lower wing skin. Anomalies in the radiographs taken during mandatory non-destructive testing inspections were not correctly interpreted."

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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 Big Trout Airport, ON et Pickle Lake Airport, ON est de 263 km (164 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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