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Accident
Last updated: 22 October 2017
Status:Schlussbericht
Datum:Dienstag 18 Dezember 2007
Zeit:08:56
Flugzeugtyp:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Fluggesellschaft:Arctic Circle Air Service
Kennzeichen: N5187B
Werknummer: 208B-0270
Baujahr: 1991
Triebwerk: 1 Pratt & Whitney Canada PT6A-114A
Besatzung:Todesopfer: 0 / Insassen: 1
Fluggäste:Todesopfer: 0 / Insassen: 1
Gesamt:Todesopfer: 0 / Insassen: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:3 km (1.9 Meilen) WNW of Bethel Airport, AK (BET) (   USA)
Flugphase: Anfangssteigflug (ICL)
Betriebsart:Frachtflug
Flug von:Bethel Airport, AK (BET/PABE), USA
Flug nach:Hooper Bay Airport, AK (HPB/PAHP), USA
Flugnummer: 218
Unfallbericht:
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

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


Fotos

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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Map
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 Bethel Airport, AK to Hooper Bay Airport, AK as the crow flies is 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 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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