Primary finding
Probable cause
Failure in the rotor drive system for unknown reasons. Contributing to the accident was the pilot's inability to perform an autorotation.
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NTSB investigation record
ATL89DLT03
CompletedBell 47· N908B
- Date
- May 12, 1989
- Location
- Shelbyville, TN
- Conditions
- VMC
- Record
- Completed
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