Primary finding
Probable cause
The failure to maintain rotor rpm. Factors include inadequate preflight planning, overconfidence in aircraft's ability, and non-suitable terrain.
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NTSB investigation record
SEA92LA005
CompletedHughes 269B· N9474F
- Date
- October 12, 1991
- Location
- Hillsboro, OR
- Conditions
- VMC
- Record
- Completed
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