Primary finding
Probable cause
The pilot's failure to maintain main rotor rpm adequate to avoid flapping. Factors which contributed to the accident were related to the pilot's performance of an excessively abrupt maneuver.
NTSB investigation record
85 manista Kb-2· N169RM
Primary finding
The pilot's failure to maintain main rotor rpm adequate to avoid flapping. Factors which contributed to the accident were related to the pilot's performance of an excessively abrupt maneuver.
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