RedactedNarrative: At approximately 21:30, subject boarded his 1985 SeaRay Cabin cruiser which was moored in a slip at Melton Hill Mairna.  He went below deck into the cabin and turned on the breaker.  The boat was connected to shorepwoer.  He advised that immediately after he switched on the breaker, he heard a loud "Whoosh" sound and the boat exploded in flames.  He exited through the cabin throug the flames and made his way to shore, receiving first, second, and third-degree burnsin the process.  The boat was quickly consumed by flames and the fire spread through the marina.  Some vessel information is unknown as some vessels are not currently registered to the current owner and no previous record could be found due to time and hte fact that the vessel received major damage and/or sunk.