Primary finding
Probable cause
The pilot's failure to maintain adequate rotor rpm which resulted in the inflight loss of control. Contributing to the accident was the pilot's lack of experience and overconfidence in his ability.
NTSB investigation record
James d. Riehm Rotorway exec· N191JD
Primary finding
The pilot's failure to maintain adequate rotor rpm which resulted in the inflight loss of control. Contributing to the accident was the pilot's lack of experience and overconfidence in his ability.
Continue research
Continue with the strongest shared characteristics.