RedactedNarrative: The Operator attempted to start the vessel and the vessel stalled.  On the second attempt to start the vessel, it backfired, and an explosion occurred that started a fire.  The operator left the vessel and Occupant two, who was standing on the dock, boarded the vessel.  Occupant two pushed the boat away from the dock and retrieved a fire extinguisher, which did not work.  After failing to extinguish the flames, occupant two jumped off the vessel and into the water.