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Date:Thursday 4 August 1977
Type:Silhouette image of generic DHC3 model; specific model in this crash may look slightly different
de Havilland Canada DHC-3 Otter
Operator:Woods Air Service
Registration: N48064
MSN: 278
First flight: 1958
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 1 / Occupants: 1
Aircraft damage: Damaged beyond repair
Location:near Bettles, AK (   United States of America)
Phase: Takeoff (TOF)
Departure airport:Alatna River, AK, United States of America
Destination airport:Bettles Airport, AK (BTT/PABT), United States of America
Crashed while trying to take off from a river gravel bar.

Probable Cause:

pilot in command - misused or failed to use flaps
pilot in command - failed to obtain/maintain flying speed
pilot in command - misjudged distance,speed,and altitude
pilot in command - failed to abort takeoff
terrain - loose gravel
terrain - high obstructions
weather - downdraft,updrafts
weather - obstructions to vision
miscellaneous - evasive maneuver to avoid collision
weather briefing - unknown/not reported



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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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