NTSB Identification: SEA99LA170.
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Accident occurred Saturday, September 18, 1999 in COOLIN, ID
Probable Cause Approval Date: 11/02/2000
Aircraft: Champion 7BCM, registration: N2841E
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot overflew the airstrip and observed that the windsocks appeared to be indicating calm winds at the surface. But, according to the pilot, during the touchdown, the aircraft was hit by a strong crosswind gust. The pilot was unable to maintain directional control, and the aircraft departed the runway and impacted trees growing along the edge of the airstrip. After the accident, the pilot exited the aircraft and observed that there were strong, variable, gusty winds blowing. He also noticed that the strong winds were intermittently replaced by periods of calm. The investigation revealed no evidence of control system malfunction or anomaly.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot's failure to adequately compensate for wind conditions. Factors include variable, gusty crosswinds, and trees along the sides of the runway.

Full narrative available

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