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Accident description
Last updated: 24 June 2017
Date:Sunday 18 August 1996
Time:ca 19:50
Type:Silhouette image of generic DH3T model; specific model in this crash may look slightly different
de Havilland Canada DHC-3T Vazar Turbine Otter
Operator:Harbour Air 
Registration: C-GCMY
C/n / msn: 32
First flight: 1954
Engines: 1 Pratt & Whitney Canada PT6A-135
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 2 / Occupants: 2
Total:Fatalities: 3 / Occupants: 3
Airplane damage: Damaged beyond repair
Location:33 km (20.6 mls) S of Alliford Bay, BC (   Canada)
Phase: En route (ENR)
Nature:Domestic Non Scheduled Passenger
Departure airport:Tasu Airport, BC (YTU), Canada
Destination airport:Alliford Bay, BC, Canada
Struck the side of a valley at 1,700 feet asl.

Probable Cause:

CAUSES AND CONTRIBUTING FACTORS: "The pilot probably made a navigational error because of restricted visibility in fog and light drizzle and entered the wrong valley, and he delayed his decision to reverse course until he was unable to avoid the weather."

Accident investigation:
investigating agency: Transportation Safety Board (TSB) - Canada
status: Final
number: TSB Report A96P0178
released:14 May 1997
duration: 269 days (9 months)
download report: Controlled Flight into Terrain, Harbour Air Limited, De Havilland DHC-3 Otter C-GCMY, Alliford Bay, British Columbia 18 (TSB Report A96P0178)

Controlled Flight Into Terrain (CFIT) - Mountain



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