Primary finding
Probable cause
Fatigue failure of the bolt attaching the scissor arm assembly to the pitch control support assembly. The failure of the bolt led to a loss of collective pitch control and reduced rotor rpm.
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NTSB investigation record
SEA95LA227
CompletedTexas helicopter Oh-13E· N38115
- Date
- September 20, 1995
- Location
- Yakima, WA
- Conditions
- VMC
- Record
- Completed
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