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Last updated: 19 June 2019
Status:Schlussbericht
Datum:Donnerstag 24 September 1987
Zeit:23:25
Flugzeugtyp:Silhouette image of generic SW4 model; specific model in this crash may look slightly different
Swearingen SA227-AC Metro III
Fluggesellschaft:Horizon Air
Kennzeichen: N2689E
Werknummer: AC-653
Baujahr: 1986
Betriebsstunden:774
Triebwerk: 2 Garrett TPE331-11U
Besatzung:Todesopfer: 0 / Insassen: 3
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 0 / Insassen: 3
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Twin Falls City County Airport, ID (TWF) (   USA)
Flugphase: Start (TOF)
Betriebsart:Ausbildungsflug
Flug von:Twin Falls City County Airport, ID (TWF/KTWF), USA
Flug nach:Twin Falls City County Airport, ID (TWF/KTWF), USA
Unfallbericht:
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

Informationsquelle:
» 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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