Incident Overview
During cruise flight, the pilot encountered a rough-running engine accompanied by vibration. Unable to correct the issue, he decided to divert to a nearby airport for an emergency landing.
Approach and Landing Attempts
The pilot made two visual approaches to the runway but was unable to land, stating that he was "too high and too fast" on both attempts. On the third approach, he landed approximately 300 meters past the departure end of the 3,500-foot-long runway. The airplane subsequently collided with a fence and flipped over.
Post-Accident Findings
Following the accident, inspection of the engine revealed a failed number three cylinder exhaust valve. The pilot reported being "shaken up" by the engine problem.
Probable Cause
The accident was caused by a failure of the number three cylinder exhaust valve, which resulted in engine roughness and vibration, leading to the emergency situation and subsequent landing overrun.