May 21, 1989
Accident
Substantial SHERIDAN, WY
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
BINDING (STUCK) #4 EXHAUST VALVE. HIGH VEGETATION (HAY) AND A HIDDEN OBSTRUCTION (DITCH) WERE CONTRIBUTING FACTORS.
NTSB DEN89LA122