Jul 2, 1989
Accident
Substantial CHUALAR, CA
Injuries1 serious
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE EXPERIMENTAL AIRCRAFT'S INADVERTENT ENTRY INTO A NON-RECOVERABLE FLAT SPIN DURING A SLOW AIRSPEED TEST; THE AERODYNAMIC CHARACTERISTICS THAT PRODUCED THE SPIN WERE NOT DETERMINED.
NTSB LAX89DVM04