RedactedNarrative: UNIT 2 WAS DRIFTING ON LAKE FT. GIBSON AT NIGHT AND THE OCCUPANTS WERE STARGAZING WHEN THEY WERE STRUCK FROM BEHIND BY UNIT 1. UNIT 1 STRUCK UNIT 2 IN THE ENGINE ON THE PORT SIDE OF THE COWLING. UNIT 1 CONTINUED ON FROM THERE STRIKING THE PORT SIDE OF THE STERN OF UNIT 2. UNIT 1 THEN STRUCK THE REAR FENCE RAIL AND THE REAR LOUNGE CHAIR ON THE PORT SIDE OF UNIT 1 WHERE VICTIM 1 WAS SITTING. UNIT 1 OPERATOR STATED UNIT 2 DID NOT HAVE LIGHTS ON. UNIT 2 OPERATOR STATED THE LIGHTS WERE ON AND THEY DID FUNCTION THE NEXT DAY WHEN TURNED ON. UNIT 1 TRANSPORTED VICTIM 1 AND VICTIM 2 TO SHORE AND ADVISED THEM THAT HE WAS RETURNING TO THE SCENE TO PICK UP THE OTHER 3 OCCUPANTS, BUT LEFT THE SCENE INSTEAD. AREA OF ACCIDENT WAS APPROXIMATELY .4 MILES WEST OF THE EAST SHORELINE AT THE PARADISE COVE TIP AND APPROXIMATELY .4 MILES SOUTHWEST OF TEH WEST END OF HIGHWAY 51 BRIDGE AND APPROXIMATELY .5 MILES EAST OF THE TAYLOR'S FERRY SOUTH BOAT RAMP.