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Last updated: 23 October 2021
Date:Saturday 14 June 1986
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:Canadian Armed Forces
Registration: 13807
MSN: 309
First flight: 1971
Engines: 2 Pratt & Whitney Canada PT6A-27
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 5 / Occupants: 5
Total:Fatalities: 8 / Occupants: 8
Aircraft damage: Damaged beyond repair
Location:74 km (46.3 mls) W of Calgary, AB (   Canada)
Phase: En route (ENR)
Departure airport:?
Destination airport:?
Twin Otter 13807 was searching for another SAR aircraft (civilian) that had gone down looking for an overdue light plane. The aircraft flew into the side of a mountain, killing all on board: pilot Capt. Ted Katz, co-pilot Capt. Wayne Plumbtree, Flight Engineer Brian Burkett and five observers.
The accident was caused by a freak optical illusion. Color of rocks in mountain combined with sun angle at the time of the crash to make a large ledge, impossible to see.

» Airnieuws 238
» Flight International 16 May 1987 (p.40)
» Lloyd Mildon
» Hedley Newton (e-mail, 7-10-2009)


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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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