Jun 9, 1990
Accident
Destroyed ONALASKA, WA
Injuries3 fatal
Phase of Flight-
ConditionsIMC
OperationFAR 091
Probable Cause
IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, AND HIS INADVERTENT FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC). FACTORS RELATED TO THE ACCIDENT WERE: THE ADVERSE WEATHER AND TERRAIN CONDITIONS.
NTSB SEA90FA171