Mar 18, 1990
Accident
Substantial CANYON LAKE, CA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE PILOT TO MAINTAIN PROPER ROTOR RPM DURING A PRACTICE AUTOROTATION. CONTRIBUTING TO THE ACCIDENT WAS THE UNEVEN TERRAIN SELECTED BY THE PILOT TO CONDUCT PRACTICE TOUCH MANEUVERS.
NTSB LAX90LA121