NTSB Identification: CHI89FA151.
The docket is stored on NTSB microfiche number 39103.
Accident occurred Saturday, July 29, 1989 in OSHKOSH, WI
Probable Cause Approval Date: 08/22/1990
Aircraft: CESSNA A152, registration: N7610A
Injuries: 1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

DURING THE ANNUAL EXPERIMENTAL AIRCRAFT ASSOCIATION CONVENTION AIRSHOW, THE PILOT EXECUTED AN INTENTIONAL SNAP ROLL IMMEDIATELY AFTER TAKEOFF. HE LOST VISUAL REFERENCE OUTSIDE THE AICRAFT DUE TO LOW VISIBILITY FROM SMOKE, HAZE, AND RAIN. THE AIRCRAFT DESCENDED OUT OF CONTROL AND IMPACTED THE TERRAIN.

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

THE PILOT'S POOR JUDGEMENT, AND POOR EVALUATION OF THE WEATHER DUE TO SELF INDUCED PRESSURE AND OVERCONFIDENCE IN HIS PERSONAL ABILITY. CONTRIBUTING FACTOR WAS THE EXPERIMENTAL AIRCRAFT ASSOCIATION'S INADEQUATE SUPERVISION OF THE OPERATION.

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