Primary finding
Probable cause
The pilot-in-command's failure to maintain control of the aircraft.
Investigator assessment
Analysis narrative
Witnesses reported seeing the airplane flying in a normal cruise attitude when it rolled inverted and the nose dropped near vertical to the terrain. The airplane descended in a near vertical dive. The nose of the airplane started to come up horizontal to the terrain when it struck a 75-ft tree. During the post crash investigation, no evidence of a mechanical failure or malfunction was found.
Source record
Factual narrative
-