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Last updated: 24 September 2021
Datum:Montag 3 Januar 1983
Flugzeugtyp:Silhouette image of generic CL60 model; specific model in this crash may look slightly different
Canadair CL-600-1A11 Challenger 600
Fluggesellschaft:A.E. Stanley Manufacturing Co.
Kennzeichen: N805C
Werknummer: 1037
Baujahr: 1982
Anzahl Zyklen der Zelle:86
Triebwerk: 2 Lycoming ALF502L-2
Besatzung:Todesopfer: 2 / Insassen: 2
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 2 / Insassen: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:4 km (2.5 Meilen) N of Hailey-Sun Valley Airport, ID (SUN) (   USA)
Flugphase: Annäherung (APR)
Flug von:Decatur Airport, IL (DEC/KDEC), USA
Flug nach:Hailey-Sun Valley Airport, ID (SUN/KSUN), USA
Impacted mountain ridge at 6250 feet during a VFR attempt to land; ridge obscured by broken clouds. Field elevation 5315 feet; airport located in a mountain valley, just over a mile wide

Probable Cause:

PROBABLE CAUSE: "The flightcrew's failure to adhere to the recommended visual arrival procedures for the Sun Valley Airport and its failure to execute timely terrain avoidance actions The reasons for the flightcrew's failures could not be established conclusively. Contributing to the accident were meteorological conditions and the obscuration of terrain features and landmarks by snow that made navigation by visual references and terrain avoidance difficult."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 247 days (8 months)
Accident number: NTSB/AAR-83/05
Download report: Final report


NTSB issued 1 Safety Recommendation

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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 Decatur Airport, IL to Hailey-Sun Valley Airport, ID as the crow flies is 2128 km (1330 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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