Aug 23, 2009
Accident
Substantial Marianna, FL
Injuries1 serious
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Failure of the propeller speed reduction gearbox for undetermined reasons. Contributing to the accident was the pilot’s decision to disregard the manufacturer's mandate to replace the gearbox, the manufacturer's failure to provide owners with technical substantiation for the replacement, and the pilot's decision to overfly several suitable off-field landing sites in an attempt to glide to a distant airport.
NTSB ERA09LA477