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Accident
Last updated: 21 October 2017
Status:Definitief
Datum:dinsdag 18 december 2007
Tijd:08:56
Type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Luchtvaartmaatschappij:Arctic Circle Air Service
Registratie: N5187B
Constructienummer: 208B-0270
Bouwjaar: 1991
Motoren: 1 Pratt & Whitney Canada PT6A-114A
Bemanning:slachtoffers: 0 / inzittenden: 1
Passagiers:slachtoffers: 0 / inzittenden: 1
Totaal:slachtoffers: 0 / inzittenden: 2
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:3 km (1.9 mijl) WNW of Bethel Airport, AK (BET) (   Verenigde Staten)
Fase: InitiŽle klim (ICL)
Soort vlucht:Vracht
Vliegveld van vertrek:Bethel Airport, AK (BET/PABE), Verenigde Staten
Vliegveld van aankomst:Hooper Bay Airport, AK (HPB/PAHP), Verenigde Staten
Vluchtnummer: 218
Beschrijving:
The Cessna 208B was on a mail delivery flight from Bethel (BET) to Hooper Bay (HPB) Scammon Bay (SCM), Alaska. The airplane crash landed on a tundra hill immediately after takeoff. It skidded about 100 yards, leaving a trail of debris, including the plane's wheels and cargo.
The pilot indicated that the airplane was initially climbing with 20 degrees of flaps after departing runway 36. He retracted the flaps half way at 100 knots of airspeed, and then fully retracted the flaps at 110 knots. The pilot said that the airplane then began to roll to the right in a manner he described as a wave, or vortex feeling. He corrected the roll, lowered the nose of the airplane, and it again rolled to the right, which he again corrected. The airplane rolled to the right a third time, and the pilot saw that the airplane was descending to the ground. He attempted to lower the flaps before the airplane collided with the ground.
The weather observed at Bethel at 08:53 AST was: clear skies, Temperature:-12F (-24C) Dewpoint: -18F (-28C), Relative Humidity: 73%, Winds from the NW (330 degs) at 12 mph. Pressure: 1006.5 millibars. Altimeter:29.71 inches of mercury. The prevailing visibility was 10 miles.
The same aircraft, N5187B, was damaged in December 1999 when it crash-landed during takeoff from Bethel due to icing.

Probable Cause:

PROBABLE CAUSE: "The pilot's failure to adequately remove frost contamination from the airplane, which resulted in a loss of control and subsequent collision with terrain during an emergency landing after takeoff."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 12 months
Accident number: ANC08LA027
Download report: Summary report

Bronnen:
» Two injured in Bethel plane crash (AP 18-12-2007)
» NTSB


Foto's

photo of Cessna 208B Grand Caravan N5187B
photo of Cessna 208B Grand Caravan N5187B
photo of Cessna 208B Grand Caravan N5187B
photo of Cessna 208B Grand Caravan N5187B
photo of Cessna 208B Grand Caravan N5187B
photo of Cessna 208B Grand Caravan N5187B
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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 Bethel Airport, AK en Hooper Bay Airport, AK bedraagt 244 km (152 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkís 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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