ASN Aircraft accident de Havilland Canada DHC-6 Twin Otter 300 C-FABW Nanisivik Airport, NU (YSR)
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Date:Wednesday 21 December 1977
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Operator:Kenn Borek Air
Registration: C-FABW
MSN: 278
First flight: 1970
Engines: 2 Pratt & Whitney Canada PT6A-27
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 6 / Occupants: 6
Total:Fatalities: 8 / Occupants: 8
Aircraft damage: Damaged beyond repair
Location:3 km (1.9 mls) W of Nanisivik Airport, NU (YSR) (   Canada)
Phase: Approach (APR)
Nature:Domestic Non Scheduled Passenger
Departure airport:Pond Inlet Airport, NU (YIO/CYIO), Canada
Destination airport:Nanisivik Airport, NU (YSR/CYSR), Canada
The aircraft lost control while on final approach and crashed 2200 feet short of the runway in a 45deg. nose-down and 80deg. right bank attitude.
The airplane operated on a passenger flight from Pond Inlet Airport, NU (YIO) to Resolute Airport, NU (YRB) via Nanisivik Airport, NU (YSR)

Probable Cause:

PROBABLE CAUSE: Uncertain. Low-level turbulence and windshear of 10-20 kts/1000 feet existed. In-flight failure of flap and aileron control rods was considered since they were involved in similar accidents, one year later.

» The Calgary Herald - Dec 23, 1977


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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Pond Inlet Airport, NU to Nanisivik Airport, NU as the crow flies is 219 km (137 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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