Sep 2, 1993
Accident
Destroyed CHEYENNE, WY
Injuries3 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
IMPROPER IN-FLIGHT PLANNING/DECISON BY THE PILOT, WHICH RESULTED IN EXCEEDING THE DESIGN STRESS LIMITS OF THE AIRCRAFT AFTER ENCOUNTERING ADVERSE WEATHER. THE WEATHER CONDITIONS WERE RELATED FACTORS.
NTSB SEA93FA187