Thursday, July 6, 2017

American General AG-5B Tiger, N321MW: Accident occurred July 02, 2017 at Rio Vista Municipal Airport (O88), Solano County, California

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Sacramento, California

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

NTSB Identification: GAA17CA379
14 CFR Part 91: General Aviation
Accident occurred Sunday, July 02, 2017 in Rio Vista, CA
Aircraft: AMERICAN GENERAL ACFT CORP AG5, registration: N321MW
Injuries: 1 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 student pilot reported that, during his second low approach, the airplane was stable at 75 knots and full flaps, about 20 ft. above the ground. He added, that about 5 to 10 ft. above the ground, he applied full power and began to "slowly" retract the flaps. Encountering what he described as "wind shear," he reported that, the airplane became "vertical" and he lost directional control. He added that, he immediately banked to the right and applied full right rudder, subsequently, the airplane's left wing struck the ground. The airplane came to rest off the right side of the runway.

The airplane sustained substantial damage to the left wing.

The student pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The student pilot reported checking the airport's automated weather observation system (AWOS), which was reporting wind from 120° at 12 knots, prior to the approach. He further reported the sky condition as clear, temperature 84°F, dewpoint 53°F, and wind gusts to 20 knots. The pilot selected runway 15.

As a recommendation, the student pilot reported that he should have avoided areas with gusts greater than 10 knots.

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