Primary finding
Probable cause
The student pilot's failure to unlock the cyclic trim and to maintain his hover altitude. His lack of experience with the aircraft, inadequate preflight, and the uncontrolled descent were factors in the accident.
Back to Search
NTSB investigation record
LAX91LA305
CompletedRobinson R-22-b· N730SH
- Date
- July 11, 1991
- Location
- San Jose, CA
- Conditions
- VMC
- Record
- Completed
Continue research
Find similar accidents
Continue with the strongest shared characteristics.