RedactedNarrative: V1 WAS DRIFTING TOWARDS THE SHORE SO THE OPERATOR DECIDED TO START THE ENGINE AND PUT IT IN REVERSE WITHOUT LOOKING BEHIND HIM.  THE VICTIM WAS SWIMMING AT THE STERN OF V1 AND WAS STRUCK BY THE PROP.  THE OPERATOR GOT THE VICTIM BACK ONBOARD V1 AND TOOK HIM TO OAKLAND CAMPGROUND TO MEET EMS.