RedactedNarrative: ON JUNE 19TH, 2021 AT APPROXIMATELY 12:00PM, OPERATOR HAD JUST FINISHED FUELING 80 GALLONS INTO HIS VESSEL AT THE WASHBURN MARINA LOCATED AT MARINA DR, WASHBURN WI 54891. OPERATOR WAS THE ONLY INDIVIDUAL ONBOARD WHEN HE ATTEMPTED TO START THE PORT ENGINE. THE PORT ENGINE STARTED, BUT WAS NOT RUNNING APPROPRIATELY. OPERATOR TURNED THE KEY FOR THE STARBOARD ENGINE AND THE BOAT EXPLODED AND IGNITED IMMEDIATELY. OPERATOR WAS ABLE TO GET OUT OF THE VESSEL WITH NO INJURY, HOWEVER HIS SON WAS STANDING ON THE FUELING DOCK AND RECEIVED MINOR BURNS TO HIS LEFT LEG. THE VESSEL WAS TIED TO THE DOCK ON THE STARBOARD SIDE AND ULTIMATELY SANK STILL TIED TO THE FUELING DOCK.