Primary finding
Probable cause
the pilot's loss of control of the helicopter while hovering downwind. A lack of test-flight data to establish the aircraft's performance limitations was a factor in the accident.
NTSB investigation record
Hillberg Eh-101· N10TE
Primary finding
the pilot's loss of control of the helicopter while hovering downwind. A lack of test-flight data to establish the aircraft's performance limitations was a factor in the accident.
Continue research
Continue with the strongest shared characteristics.