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Last updated: 6 March 2021
Estado:Final
Fecha:jueves 26 diciembre 1974
Hora:18:05
Tipo:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
Britten-Norman BN-2A Islander
Operador:Harbor Airlines
Registración: N66HA
Numéro de série: 31
Año de Construcción: 1968-10-18 (6 years 2 months)
Tripulación:Fatalidades: 1 / Ocupantes: 1
Pasajeros:Fatalidades: 3 / Ocupantes: 5
Total:Fatalidades: 4 / Ocupantes: 6
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:ca 1 km N of Seattle/Tacoma International Airport, WA (SEA) (   Estados Unidos de América)
Fase: Ascenso Inicial (ICL)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Seattle/Tacoma International Airport, WA (SEA/KSEA), Estados Unidos de América
Aeropuerto de Llegada:Oak Harbor Airport, WA (ODW/KOKH), Estados Unidos de América
Número de Vuelo: 308
Descripción:
Visibility was poor due to snowfall when the Islander departed Tacoma Airport for Oak Harbor. Shortly after takeoff the airplane collided with terrain in the residential area of Riverton Heights, WA. Unknown matter in the pitot tube had caused unreliable readings of the airspeed indicator.

Probable Cause:

PROBABLE CAUSE:
pilot in command - diverted attention from operation of aircraft
miscellaneous acts,conditions - instruments-misread or failed to read
FACTORS:
weather - low ceiling
weather - snow
terrain - high obstructions
instruments/equipment and accessories - flight and navigation instruments: airspeed
miscellaneous acts,conditions - obstructed
miscellaneous - foreign material affecting normal operations

Fuentes:
» BAAA-ACRO
» NTSB
» Thomas Brügge
» World Directory of Airliner Crashes


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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 Seattle/Tacoma International Airport, WA to Oak Harbor Airport, WA as the crow flies is 93 km (58 miles).
Accident location: Approximate; accuracy within a few kilometers.

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