News release

Undetected cracks led to aircraft landing gear collapse in Fort Simpson, NWT

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The Transportation Safety Board of Canada (TSB) is an independent agency that advances transportation safety by investigating occurrences in the air, marine, pipeline and rail modes of transportation.

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Figure 1. View of the occurrence aircraft with damage shown, looking northwest (Source: Third party, with permission)

Undetected cracks led to aircraft landing gear collapse in Fort Simpson, NWT

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The occurrence aircraft on the bank of the Richelieu River after it was towed to shore. The floats were removed in order to tow the aircraft. (Source: TSB)

Investigation report: Accident on takeoff at St-Mathias Water Aerodrome (Quebec)

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Figure 5. Occurrence wreckage (Source: Air Tindi Ltd.)

Decision to depart and continue flight in deteriorating weather led to aircraft accident at Lac de Gras, Northwest Territories

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Landing gear collapse Northwestern Air Lease Ltd. British Aerospace P.L.C. Jetstream Model 3112, C-FCPE Fort Smith Airport (CYSM), Northwest Territories

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Loss of control and overturn on takeoff ETA Aviation & César Camp du Nord Inc. De Havilland Aircraft of Canada Limited DHC-2 Mk. I (Beaver), C-FYNT St-Mathias Water Aerodrome (CSV9), Quebec

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Controlled flight into terrain Air Tindi Ltd. De Havilland DHC-6 Twin Otter Series 300, C-GMAS Diavik Aerodrome (CDK2), Northwest Territories, 7 NM SE

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Collision with terrain KBM Forestry Consultants Inc. Cessna U206F, C-FKZO Lloydminster Airport (CYLL), Alberta, 7 NM SE

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Touchdown short of runway Air Inuit Ltd. Boeing of Canada Ltd. de Havilland Division DHC-8-314, C-GAIW Kangiqsujuaq (Wakeham Bay) Airport (CYKG), Quebec

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Collision with terrain Kîsik Aerial Survey Inc. Piper Aircraft Corporation PA-31, C-GYYP Deer Lake Airport (CYDF), Newfoundland and Labrador 

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Engine failure and forced approach Privately registered Piper PA-28-140, C-FXGC Toronto/Billy Bishop Toronto City Airport (CYTZ), Ontario, 4 NM NE 

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Stall and collision with terrain Privately registered Morrisey (Shinn Engineering Inc.) 2150A (Varga), C-GFHZ Vermilion Aerodrome (CYVG), Alberta, 0.9 NM NW 

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Loss of control and overturn on takeoff ETA Aviation & César Camp du Nord Inc. De Havilland Aircraft of Canada Limited DHC-2 Mk. I (Beaver), C-FYNT St-Mathias Water Aerodrome (CSV9), Quebec

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Collision with terrain Chinook Helicopters (1982) Ltd. Cessna 172S, C-GHCC Chilliwack Airport (CYCW), British Columbia, 28 NM ESE 

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