Primary finding
Probable cause
Conducting maneuvering flight the pic failed to monitor the helicopter systems and allowed the main rotor rpm to decay to the point where it would not produce enough lift to sustain flight.
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NTSB investigation record
CHI88FA190
CompletedMcdonnell DOUGLAS 269B· N9522F
- Date
- August 2, 1988
- Location
- Braceville, IL
- Conditions
- VMC
- Record
- Completed
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