Apr 5, 1992
Accident
Substantial PALM SPRINGS, CA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE PILOT'S FAILURE TO MAINTAIN A PROPER CRUISE ALTITUDE UPON ENTERING A MOUNTAIN PASS AREA, AND HIS FAILURE TO MAINTAIN CONTROL OF THE HELICOPTER. FACTORS WHICH CONTRIBUTED TO THE PILOT'S LOSS OF CONTROL WERE RELATED TO HIS ENCOUNTERING TURBULENCE AND DOWNDRAFTS.
NTSB LAX92LA165