RedactedNarrative: On 9-11-2016 at approximately 0845 V1 was off shore in Federal Waters on spear fishing trip.  During the trip one diver entered the water and was struck in the head by the port side trim tab after a large swell hit V1 from the starboard side. The impact with the trim tab caused a large laceration and fractured skull.  It also caused a chipped tooth and dislocated shoulder. ;