Jul 4, 1991
Accident
Substantial COLORADO SPRING, CO
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
THE PILOT ATTEMPTING TO OPERATE THE HELICOPTER OUTSIDE THE DESIGN OPERATING ENVELOPE. FACTORS WERE: HIGH ALTITUDE, HIGH TEMPERATURE, AND HIGH DENSITY ALTITUDE.
NTSB DEN91LA096