Incident Overview
During a recent annual inspection, the left-hand control yoke was removed from the left-hand control column in compliance with a current FAA airworthiness directive. The yoke was subsequently reinstalled to its respective control column. After taking off and beginning a left turn, the pilot experienced no aileron control input. The aircraft then impacted terrain in a nose low attitude.
Post-Accident Examination
A post-accident examination revealed that the left-hand control yoke had not been properly reinstalled or verified that its installation was correct. This finding indicates a procedural error during the reinstallation process following the required airworthiness directive compliance.
Factual Context
The incident occurred after the aircraft departed and initiated a left turn. The loss of aileron control prevented the pilot from executing the intended maneuver. No other details regarding the aircraft type, registration, operator, or environmental conditions have been reported in the available source material. The examination did not specify any other factors contributing to the event.