Sep 16, 1991
Accident
Substantial ELLENSBURG, WA
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE PILOT'S FAILURE TO MAINTAIN TERRAIN CLEARANCE. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S OVERCONFIDENCE IN THE AIRCRAFT'S ABILITY, AND FLIGHT IN A BOX CANYON WHERE REMEDIAL ACTION WAS NOT POSSIBLE.
NTSB SEA91LA240