Descripción del Accidente ASN 15 JAN 1989 de Havilland Canada DHC-3 Otter N11250 - Ketchikan, AK
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Estado:Accident investigation report completed and information captured
Fecha:domingo 15 enero 1989
Hora:08:10
Tipo:Silhouette image of generic DHC3 model; specific model in this crash may look slightly different
de Havilland Canada DHC-3 Otter
Operador:Temsco Helicopters
Registración: N11250
Numéro de série: 171
Año de Construcción: 1957
Horas Totales de la Célula:10366
Motores: 1 Pratt & Whitney R-1340-59
Tripulación:Fatalidades: 1 / Ocupantes: 1
Pasajeros:Fatalidades: 1 / Ocupantes: 1
Total:Fatalidades: 2 / Ocupantes: 2
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:cerca Ketchikan, AK (   Estados Unidos de América)
Fase: En ruta (ENR)
Naturaleza:Vuelo Doméstico No Programado
Aeropuerto de Salida:Ketchikan Harbor Seaplane Base, AK (WFB), Estados Unidos de América
Aeropuerto de Llegada:Klawock Airport, AK (KLW/PAKW), Estados Unidos de América
Descripción:
After departing the floatplane base on a company VFR flight plan, the Otter proceeded northwest along a salt water strait at a low altitude above water. Two miles Northwest of the airport the aircraft entered a snow squall and the pilot attempted a steep turn to reverse course. During the turn the aircraft impacted and sank in 167 feet deep water.

Probable Cause:

PROBABLE CAUSE: "The pilot's inadvertant flight into ifr conditions and the stall which occurred during the turn to reverse course. Contributing to the accident were the snow conditions encountered."

Accident investigation:

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Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 9 months
Accident number: SEA89FA036
Download report: Summary report

Fuentes:
» NTSB


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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 Ketchikan Harbor Seaplane Base, AK to Klawock Airport, AK as the crow flies is 92 km (58 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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