RedactedNarrative: V1 LEFT THE DOCK HEADING EAST TOWARD THE ICW WITH AN OUTGOING TIDE. JUST AS THE VESSEL ENTERED THE ICW, THE OPERATOR ADVISED HE HEARD A POP IIN THE CABIIN AREA. IMMEDIATELY THE OP TURNED THE VESSEL BACK INTO THE CANAL TO RETURN TO HIS DOCK.  FLAMES AND HEAVY SMOKE CAME FROM THE CABIN AREA AND ALL FOUR OCCUPANTS OF THE VESSEL JUMPED INTO THE WATER AND SWAM TO SAFETY. THE VESSEL FLOATED WHERE THE FD RESPONDED TO PUT THE FIRE OUT. V1 FLAMES CAUSED DAMAGE TO 3 OTHER VESSELS IN THE VICINITY, V1 BURNED TO THE WATER LINE.