Descripción del Accidente ASN 14 JUN 1986 de Havilland Canada DHC-6 Twin Otter 300 13807 - Calgary, AB
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Estado:
Fecha:sábado 14 junio 1986
Hora:14:52
Tipo:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Operador:Canadian Armed Forces
Registración: 13807
Numéro de série: 309
Año de Construcción: 1971
Motores: 2 Pratt & Whitney Canada PT6A-27
Tripulación:Fatalidades: 3 / Ocupantes: 3
Pasajeros:Fatalidades: 5 / Ocupantes: 5
Total:Fatalidades: 8 / Ocupantes: 8
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:74 km (46.3 milles) W of Calgary, AB (   Canadá)
Fase: En ruta (ENR)
Naturaleza:Militar
Aeropuerto de Salida:?
Aeropuerto de Llegada:?
Descripción:
On June 6, 1986, a Cessna 182R Skylane went missing during a survey flight over Kananaskis County, Alberta, Canada as part of a project monitoring bighorn sheep. A pilot (26) and biologist (34) were on board.
Later that day a Cessna 185 with three on board left Calgary Airport to look for the overdue aircraft. The Cessna 185 also went missing.
Search and rescue operations with multiple aircraft and ground parties were initiated. On June 9th the Cessna 185 was located on Mt. Lougheed at an elevation of about 10000 feet.
The Canadian Armed Forces also joined the search, supplying a DHC-6 Twin Otter (13807) with a crew of three and five trained observers. During the search on June 14th, the Twin Otter struck Cox Hill at 5900 ft, killing all on board.
This 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.

The missing Cessna 182 was eventually found on Mount Kidd on 18 June 1986.

Fuentes:
» 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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