Description:05 55 04 00 Canada. Test, invention, prototype of " Westland " sort of boat on air cushions. Departure, violent breath with big helixes. Demonstration on the Saint Laurent. Look like the English version " Hovercraft ". Transport, communications, maritime bus. Close-up of the pilot in cabin. Important drives. Demonstration on river. Close-up on passengers in cabin. Speed, glide on water. Will be soon in production, will serve for isolated regions.