Aug 7, 1990
Accident
Destroyed NAPA, CA
Injuries1 serious, 2 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE FLIGHT'S ENCOUNTER WITH A PROBABLE MICROBURST WEATHER PHENOMENA WITH DOWN DRAFTS AND WINDS BEYOND THE PERFORMANCE CAPABILITY OF THE BALLOON.
NTSB LAX90LA280