ASN Aircraft accident Canadair CL-600-1A11 Challenger 600 N805C Hailey-Sun Valley Airport, ID (SUN)
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Status:Accident investigation report completed and information captured
Date:Monday 3 January 1983
Type:Silhouette image of generic CL60 model; specific model in this crash may look slightly different
Canadair CL-600-1A11 Challenger 600
Operator:A.E. Stanley Manufacturing Co.
Registration: N805C
MSN: 1037
First flight: 1982
Total airframe hrs:203
Engines: 2 Lycoming ALF502L-2
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 2 / Occupants: 2
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:4 km (2.5 mls) N of Hailey-Sun Valley Airport, ID (SUN) (   United States of America)
Crash site elevation: 1905 m (6250 feet) amsl
Phase: Approach (APR)
Departure airport:Decatur Airport, IL (DEC/KDEC), United States of America
Destination airport:Hailey-Sun Valley Airport, ID (SUN/KSUN), United States of America
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

Controlled Flight Into Terrain (CFIT) - Mountain

Follow-up / safety actions

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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