Primary finding
Probable cause
The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
Back to Search
NTSB investigation record
DEN99LA168
CompletedBell 47G3B2A· N83246
- Date
- September 23, 1999
- Location
- Tremonton, UT
- Conditions
- VMC
- Record
- Completed
Continue research
Find similar accidents
Continue with the strongest shared characteristics.