Primary finding
Probable cause
Power plant failure due to a fracture of the first stage turbine wheel, resulting in an uncontrolled autorotation.
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NTSB investigation record
MKC89LA176
CompletedBell 206-b2· N96117
- Date
- August 4, 1989
- Location
- Sebeka, MN
- Conditions
- VMC
- Record
- Completed
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