P1 was towing P2 on a towable in a circular pattern.  P1 turned sharp to starboard, bringing up P2, on the towable, on the port side of vessel.  P1 attempted to cut power, and slow vessel.  P1 realize impact with towable was imminent and attempted a turn to starboard to avaoid collision.  P1 heard impact of subjects on vessel and shut off engine.  P1 pulled P2 into vessel.  P2 had several lacerations on left arm from impact with vessel  P1 did not have an observer on board the vessel while conducting towing operations.
Ford                          