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Accident
Last updated: 21 October 2017
Status:Definitief
Datum:maandag 11 mei 1987
Tijd:18:00
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47J (DC-3)
Luchtvaartmaatschappij:Northland Air Manitoba
Registratie: C-FADD
Constructienummer: 26324/14879
Bouwjaar: 1944
Aantal vlieguren:20284
Motoren: 2 Pratt & Whitney R-1830-92
Bemanning:slachtoffers: 2 / inzittenden: 2
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 2 / inzittenden: 2
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:3 km (1.9 mijl) W of Pickle Lake, ON (   Canada)
Fase: Nadering (APR)
Soort vlucht:Vracht
Vliegveld van vertrek:Big Trout Airport, ON (YTL/CYTL), Canada
Vliegveld van aankomst:Pickle Lake Airport, ON (YPL/CYPL), Canada
Beschrijving:
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:

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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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Big Trout Airport, ON en Pickle Lake Airport, ON bedraagt 263 km (164 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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