Spray suppressor for air cushion craft

In an amphibious craft supported above a surface by an air cushion and having a skirt system for supporting and containing the air cushion, wherein, the skirt system consists of a flexible bag inflated by a pressurized fluid surrounding the periphery of the bottom of the craft and extending downward therefrom, and a seal system depending downward from the inflated bag, and wherein said seal system comprises a series of flexible fingers fixed to and depending downward from the inflated bag each of said elements having an outward facing wall, an inward facing wall, and side walls, said walls cooperating to form a first interior cell communicating with the flexible bag to receive pressurized fluid therefrom to cause said finger to inflate;

• the improvement comprising:
• a secondary outer wall attached to the outer wall of the finger to define a second cell extending substantially parallel to the first cell, said second cell being closed at the top and open at the bottom and communicating with pressurized air to inflate the second cell to a pressure less than air cushion pressure but greater than ambient pressure said bottom opening being positioned outward and upward from the bottom of the finger, in order to maintain said bottom opening out of the water during normal operation.