NTSB Identification: CHI05CA196.
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Accident occurred Sunday, July 24, 2005 in Oshkosh, WI
Probable Cause Approval Date: 10/27/2005
Aircraft: Simmons GP-4, registration: N619BS
Injuries: 2 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The airplane collided with the runway following a loss of control while landing. The accident occurred as the pilot was arriving at EAA AirVenture 2005. The pilot reported he made a low turn onto final approach, possibly encountered a wind gust, and the airplane stalled. The pilot reported the winds as being from 270 degrees at 11 knots, gusting to 20 knots. The winds reported at the airport 7 minutes prior to the accident were from 250 degrees at 11 knots, gusting to 15 knots.

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

The pilot's failure to maintain airspeed sufficient enough to compensate for the gusty crosswind condition and prevent a stall during the landing flare. A factor associated with the accident was the gusting crosswind condition.

Full narrative available

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