Primary finding
Probable cause
In-flight collision with a rebounding long-line, which caused main-rotor rpm decay and tail-boom separation, compromising the pilot's ability to successfully accomplish an attempted autorotation.
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NTSB investigation record
SEA91LA023
CompletedHughes 369D· N1106Z
- Date
- November 26, 1990
- Location
- Mulina, OR
- Conditions
- VMC
- Record
- Completed
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