May 19, 2012
Accident
Substantial Destin, FL
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The partial loss of engine power due to a stuck (open) exhaust valve in the No. 5 cylinder. Contributing to the accident was the operator’s failure to follow the engine manufacturer’s directives concerning cooling of the engine after flight.
NTSB ERA12LA346