Primary finding
Probable cause
A divergence of the main rotor from its normal plane of rotation for an undetermined reason, which resulted in rotor contact to the cockpit.
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NTSB investigation record
LAX91FA288
CompletedRobinson R-22B· N23039
- Date
- July 5, 1991
- Location
- Phoenix, AZ
- Conditions
- VMC
- Record
- Completed
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