Apr 13, 1990
Accident
Destroyed GRAND CANYON, AZ
Injuries7 serious
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
IMPROPER ADJUSTMENT OF THE TURBO-CHARGER ABSOLUTE PRESSURE CONTROLLER, AND IMPROPER MANIPULATION OF THE POWER PLANT CONTROLS BY THE PILOT DURING THE GO-AROUND. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF COMPANY MANAGEMENT TO PROPERLY TRAIN THE PILOT IN ACCORDANCE WITH THE APPROVED COMPANY TRAINING PROGRAM, AND THE PILOT'S LACK OF EXPERIENCE IN TURBO-CHARGED ENGINE OPERATIONS.
NTSB LAX90FA145