NTSB Identification: SEA96LA153.
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Accident occurred Friday, July 12, 1996 in LEWISTOWN, MT
Probable Cause Approval Date: 02/28/1997
Aircraft: Cessna 170B, registration: N3156A
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 stated that he made an approach to land on the runway with a moderate crosswind. He stated that at about 3 feet above the runway, the wind died or reversed. The airplane bounced; during the bounce, the wind started to turn the airplane. The pilot was unable to control the directional change, and the airplane ground-looped, sustaining substantial damage.

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

the pilot's inadequate compensation for the changing wind conditions, and his failure to maintain directional control, which resulted in an inadvertent ground swerve. The sudden windshift was a related factor.

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