UNIT 2 STRUCK UNIT 1 GOING UP AND OVER THE BOW. AS VESSEL 2 WENT UP AND OVER VESSEL ONE THE MOTION OF THE NOSE OF THE VESSEL BEING PUSHED DOWN BY VESSEL TWO CAUSED THE SEAT OF VESSEL 1 TO RISE STRIKING OPERATOR OF UNIT 1 IN THE BACK AND EJECTING HIM INTO THE WATER.PER THE DOCTOR, THE OPERATOR OF UNIT 1 SUSTAINED A "SPINAL BRUISE".BOTH UNIT 1 AND 2 DISPLAYED NEGLIGENT OPERATION FOR FAILURE TO MAINTAIN PROPER LOOKOUT AND FAILURE TO AVOID COLLISION.