Jun 19, 1998
Accident
Destroyed LINCOLN, MT
Injuries1 fatal
Phase of Flight-
ConditionsIMC
OperationFAR 091
Probable Cause
The pilot's improper or inadequate use of the aircraft's weather avoidance equipment, resulting in penetration of a Level 4 thunderstorm and subsequent loss of aircraft control from which the pilot did not recover. Factors included a thunderstorm and the pilot's lack of instrument currency.
NTSB SEA98FA105