SHELDON POINT, AK, USA
N79169
Cessna 172
The solo airline transport pilot reported he was attempting to takeoff in a gusty, 90 degree left crosswind. He estimated the wind velocity as 18 knots, gusting to 23 knots. During the takeoff roll, he said a gust of wind lifted the left wing, and forced the airplane to the right, off the runway, and down an embankment, where it nosed over. The pilot said there were no preaccident mechanical problems with the airplane.
On July 28, 1999, about 1800 Alaska daylight time, a wheel equipped Cessna 172 airplane, N79169, sustained substantial damage during takeoff from the Sheldon Point Airport, Sheldon Point, Alaska. The airplane was being operated by Grant Aviation of Bethel, Alaska, as a visual flight rules (VFR) positioning flight under Title 14, CFR Part 91, when the accident occurred. The solo airline transport pilot was not injured. Visual meteorological conditions prevailed, and VFR company flight following procedures were in effect. The flight originated at the Emmonak Airport, Emmonak, Alaska, and the intended destination was Emmonak. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge on July 29, the pilot reported he was attempting to depart on runway 20. He said there was a gusty left crosswind, of about 18 knots and 90 degrees to the runway. Shortly after beginning the takeoff roll, he said a wind gust lifted the left wing, and pushed the airplane to the right, and off the runway. He said he reduced power and attempted to keep the airplane on the runway, but the airplane went off the runway, down an embankment, and nosed over. The pilot said there was no preaccident mechanical problems with the airplane. The airplane received substantial damage to the right wing and vertical stabilizer.
The pilot's inadequate compensation for the gusty crosswind conditions during takeoff. Factors associated with the accident were a crosswind, and wind gusts.
Source: NTSB Aviation Accident Database
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