RedactedNarrative: ON MARCH 13, 2016 0N TIMS FORD LAKE, OPERATOR1 AND HIS WIFE (VICTIM) WERE AT TIMS FORD MARINA CLEANING UP THEIR HOUSE BOAT LOCATED IN DOCK A2. THE VICTIM WAS TAKING MISCELLANEOUS ITEMS FROM THE AFT OF THE HOUSE BOAT AND PLACING THEM IN A BASS BOAT THAT WAS TIED UP TO THE AFT OF THE HOUSE BOAT.  OPERATOR1 WAS UP FRONT, AT THE HELM, ATTEMPTING TO START THE ENGINE OF THE HOUSE BOAT. THE VICTIM WAS STANDING OVER THE ENGINES COMPARTMENT LOCATED AT THE AFT OF THE HOUSE BOAT WHEN THE PORT SIDE ENGINE EXPLODED CAUSING THE VICTIM TO BE THROWN ABOUT THE VESSEL AND CAUSING SEVERE BURNS ABOUT THE VICTIMS BODY.  911 WAS CALLED AROUND 11:38 AM AND SOON AFTER, THE VICTIM WAS AIR LIFTED TO THE HOSPITAL. THE BLAST WAS VERY VIOLENT CAUSING EXTENSIVE DAMAGE THRU OUT THE HOUSE BOAT BUT WAS EXTINGUISHED BY THE FORCE OF THE BLAST. OPERATOR1 EXPLAINED THAT HE HAD A MECHANIC WORKING ON THE PORT SIDE MOTOR CARBURETOR EARLIER IN THE YEAR AND DID NOT CHECK TO SEE IF THE WORK HAD BEEN COMPLETED. WHEN OPERATOR1 ATTEMPTED TO START THE PORT SIDE MOTOR, WITH A MISSING CARBURETOR, THE HULL BEGAN FILLING UP WITH FUEL AND FUMES WHICH WAS IGNITED BY A SPARK FROM THE COIL OR BATTERY WHICH CAUSED THE EXPLOSION. OPERATOR1 STATED, HE DID USE THE FIRE EXTINGUISHER TO PUT OUT A RAG THAT CAUGHT ON FIRE.