Primary finding
Probable cause
The complete loss of power, due to a failure of the compressor impeller disk. Factors include the low altitude of the helicopter at the time of the power loss, and the need to autorotate in a confined area.
Back to Search
NTSB investigation record
SEA99LA082
CompletedHughes 369D· N8306F
- Date
- June 8, 1999
- Location
- Southbend, WA
- Conditions
- VMC
- Record
- Completed
Continue research
Find similar accidents
Continue with the strongest shared characteristics.