RedactedNarrative: Unit 1 WAS TRAVELING DOWNRIVER AT APPROXIMATELY 30 MPH.  UNIT 2 WAS TRAVELING WEST ACROSS THE RIVER AT APPROXIMATELY 6 MPH.  UNIT 1, TRAVELING SOUTH, STRUCK UNIT 2 IN THE STARBOARD FRONT.  UNIT 2 OPERATOR WENT OVERBOARD.  UNIT 2 OPERATOR SUSTAINED BROKEN RIBS AND WAS HOSPITALIZED FOR ONE WEEK.