Incident Overview
According to the pilot, the engine abruptly quit without any run-on or sputter at approximately 1800 feet following a takeoff from runway 18 at Oshkosh, Wisconsin. The pilot banked the aircraft back toward the airport, but the aileron controls became jammed or frozen.
Forced Landing and Impact
The pilot flared the aircraft in a landing configuration. The aircraft struck a fence and posts, at which point the aileron controls broke free. The aircraft came to rest approximately 50 yards east of the taxiway for runway 18.
Post-Incident Examination
An engine run-up was performed after the incident, and no defects were noted. Inspection of the flight control cables revealed no restrictions. The autopilot roll servo was bench tested satisfactorily. No probable cause was determined from the examination.