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Last updated: 5 December 2021
Fecha:miércoles 13 agosto 1997
Tipo:Silhouette image of generic B190 model; specific model in this crash may look slightly different
Beechcraft 1900C
Registración: N3172A
Numéro de série: UB-47
Año de Construcción: 1985
Horas Totales de la Célula:23892
Motores: 2 Pratt & Whitney Canada PT6A-65B
Tripulación:Fatalidades: 0 / Ocupantes: 1
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 0 / Ocupantes: 1
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:Seattle/Tacoma International Airport, WA (SEA) (   Estados Unidos de América)
Elevación del lugar del accidente: 132 m (433 feet) amsl
Fase: Aterrizaje (LDG)
Aeropuerto de Salida:Portland International Airport, OR (PDX/KPDX), Estados Unidos de América
Aeropuerto de Llegada:Seattle/Tacoma International Airport, WA (SEA/KSEA), Estados Unidos de América
Número de Vuelo: 262
When the pilot initiated full flaps for landing approaching the threshold of runway 34L at Seattle, the aircraft's airspeed began to decay rapidly and a high sink rate developed as the aircraft entered into a stall/mush condition. The aircraft then landed hard, overloading the nose and left-main landing gear which collapsed. A post-impact fuel system leak during the ground slide led to a post-crash fire.

Probable Cause:

PROBABLE CAUSE: "A stall/mush condition resulting from an aft center of gravity which was inaccurately provided to the pilot-in-command by contractual cargo-loading personnel. Additional causes were overloading of the aircraft's landing gear and fuel leakage resulting in a post-crash fire. Factors contributing to the accident were the pilot's improper lowering of flaps in an aft CG situation and the inadequate company procedures for cargo loading."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 10 months
Accident number: SEA97FA188
Download report: Summary report



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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 Portland International Airport, OR to Seattle/Tacoma International Airport, WA as the crow flies is 207 km (129 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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