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Last updated: 26 November 2021
Status:Definitief
Datum:zondag 11 september 1988
Tijd:21:57
Type:Silhouette image of generic BE20 model; specific model in this crash may look slightly different
Beechcraft 200 Super King Air
Luchtvaartmaatschappij:Snowy Butte Aviation
Registratie: N1283
Constructienummer: BB-90
Bouwjaar: 1976
Aantal vlieguren:5677
Motoren: 2 Pratt & Whitney Canada PT6A-41
Bemanning:slachtoffers: 1 / inzittenden: 1
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 1 / inzittenden: 1
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Jackson, WY (   Verenigde Staten)
Fase: Kruisvlucht (ENR)
Soort vlucht:Ferry
Vliegveld van vertrek:Jackson Hole Airport, WY (JAC/KJAC), Verenigde Staten
Vliegveld van aankomst:Redding Airport, CA (RDD/KRDD), Verenigde Staten
Beschrijving:
The pilot and his two passengers had just arrived at the Jackson Hole Airport, WY (JAC) approximately 30 minutes prior to the accident. The pilot dropped off his passengers and stepped into operations for a short break. He then returned to the aircraft by himself for a return flight to Redding Airport, CA (RDD). It was a very dark night with a 2000 ft overcast and no visible horizon. The pilot had departed Redding, CA at 13:57 hours and had been on continuous flight duty from that time until the time of the accident. A witness stated the pilot seemed to be tired and hungry. The aircraft was observed making a normal night takeoff. Witnesses stated that as the aircraft turned from crosswind to downwind it appeared that the pilot had trouble controlling the aircraft. After the aircraft made a few extreme up and down manoeuvres, it appeared to proceed to the east. The next time the aircraft was observed, it was again climbing and descending rapidly and subsequently impacted the ground in a vertical dive.

Probable Cause:

PROBABLE CAUSE:
altitude..uncontrolled..pilot in command
planning/decision..poor..pilot in command
flight controls..improper use of..pilot in command
spatial disorientation..pilot in command
CONTRIBUTING FACTORS:
light condition..dark night
fatigue(flight schedule)..pilot in command

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 3 months
Accident number: DEN88FA202
Download report: Summary report

Bronnen:
» NTSB


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Jackson Hole Airport, WY en Redding Airport, CA bedraagt 1006 km (629 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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