Description:07 56 14 00 England. Exhibition of "Hovercraft". Navigation, demonstration of the prototype, invention of a sort of " floating saucer", sort of boat which floats on water, sea with new system, hovercraft. Close-up on ailerons which revolve. Powerful breath does not get the water. Close-up details of the machine, led pilot the saucer she seems to slide on the ground without the touch. Air to compress. Demonstration, crowd on quay which watches the boat sliding on sea. "Hovercraft" walks past "Queen Mary", contrasts because immense passenger ship, traditional navigation.