Primary finding
Probable cause
The tail rotor's impact with the blue warm-up jacket and the subsequent overload of the tail rotor drive shaft. A contributing factor was the absence of the helicopter's entry doors.
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NTSB investigation record
CHI99GA155
CompletedBell Oh-58A· N77MP
- Date
- May 17, 1999
- Location
- Poplar Bluff, MO
- Conditions
- VMC
- Record
- Completed
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