Jul 17, 1999
Accident
Destroyed YORKVILLE, IL
Injuries2 fatal
Phase of Flight-
ConditionsIMC
OperationFAR 091
Probable Cause
the pilot continuing into known adverse weather conditions, attempting low altitude flight, and not maintaining terrain clearance. Factors to the accident were the thunderstorm and the improper weather evaluation by the pilot following pre-departure and in-flight weather briefings.
NTSB CHI99FA238