When a Flats^®Cat passes over the water, air is injected or rammed into the large bow entrance raising the boat up out of the water allowing the boat to ride on top of the waves and gently walk from side to side on the Cat Hulls, thus eliminating the pounding affect created by most mono Hulls. The seemingly flat hulls push water straight out away from the boat, far enough that spray cannot be drafted up the almost vertical sides, and into the boat.