ASN Aircraft accident Britten-Norman BN-2A-20 Islander C-GMOP Tuktoyaktuk, NT
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Status:Accident investigation report completed and information captured
Date:Friday 3 December 1993
Time:17:13
Type:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
Britten-Norman BN-2A-20 Islander
Operator:Arctic Wings and Rotors
Registration: C-GMOP
MSN: 398
First flight: 1974-06-21 (19 years 6 months)
Total airframe hrs:9391
Engines: 2 Lycoming IO-540-K1B5
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 6 / Occupants: 6
Total:Fatalities: 7 / Occupants: 7
Aircraft damage: Damaged beyond repair
Location:13 km (8.1 mls) SE of Tuktoyaktuk, NT (   Canada)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Tuktoyaktuk Airport, NT (YUB/CYUB), Canada
Destination airport:Inuvik/Mike Zubko Airport, NT (YEV/CYEV), Canada
Narrative:
The pilot took off from runway 09 at Tuktoyaktuk at 17:06:34, and had turned the aircraft to a southerly direction when the right engine lost all power. He decided to return to the airport. While manoeuvring back to the airport, the aircraft struck an ice-covered lake in a steep, 65 degrees nose-down attitude. The engines and front of the aircraft penetrated the approximately two-foot-thick layer of ice. The remainder of the fuselage, wings, and empennage remained on the ice surface.

Probable Cause:

CAUSES: "A magneto impulse coupling, worn beyond the prescribed limits, resulted in the failure of the right engine. Following the engine failure, the pilot mistrimmed the rudder and was unable to maintain control of the aircraft."

Accident investigation:

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Investigating agency: TSB Canada
Status: Investigation completed
Duration: 1 year and 11 months
Accident number: A93W0204
Download report: Final report

Classification:
Loss of control

Follow-up / safety actions

TSB issued 3 Safety Recommendations

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Map
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 Tuktoyaktuk Airport, NT to Inuvik/Mike Zubko Airport, NT as the crow flies is 126 km (79 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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