Primary finding
Probable cause
was the worn collective servo causing a hydraulic lock and not allowing the pilot to lower the collective. This condition caused the main rotor blades rpm to decay.
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NTSB investigation record
LAX94LA017
CompletedAerospatiale Sa-315· N49511
- Date
- October 18, 1993
- Location
- Beckwourth, CA
- Conditions
- VMC
- Record
- Completed
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