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Last updated: 22 October 2019
Estado:Final
Fecha:jueves 24 septiembre 1987
Hora:23:25
Tipo:Silhouette image of generic SW4 model; specific model in this crash may look slightly different
Swearingen SA227-AC Metro III
Operador:Horizon Air
Registración: N2689E
Numéro de série: AC-653
Año de Construcción: 1986
Horas Totales de la Célula:774
Motores: 2 Garrett TPE331-11U
Tripulación:Fatalidades: 0 / Ocupantes: 3
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 0 / Ocupantes: 3
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:Twin Falls City County Airport, ID (TWF) (   Estados Unidos de América)
Elevación del lugar del accidente: 1265 m (4150 feet) amsl
Fase: Despegue (TOF)
Naturaleza:Entrenamiento
Aeropuerto de Salida:Twin Falls City County Airport, ID (TWF/KTWF), Estados Unidos de América
Aeropuerto de Llegada:Twin Falls City County Airport, ID (TWF/KTWF), Estados Unidos de América
Descripción:
The aircraft collided with the ILS glide slope antenna tower during a simulated engine failure takeoff from runway 07. The flaps were extended at or below the 50deg setting. The wingtip separated and the aircraft crashed out of control.

Probable Cause:

PROBABLE CAUSE:
Preflight planning/preparation - Inadequate- Pilot in command
Raising of flaps - Not performed - Unspecified person
Checklist - Inattentive - Pilot in command
Supervision - Inadequate - Check pilot"

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 3 months
Accident number: SEA87MA192
Download report: Summary report

Fuentes:
» ICAO Adrep Summary 1/90 (#31)
» NTSB


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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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