Captain Stone, test pilot of the B.O.A.C. (British Overseas Airway Corporation) standing, waiting for car. He gets into car and drives to Hythe to test a Short Sunderland flying boat.
Captain Stone talking to engineers. Sunderland being pulled into the sea. Several shots of the Sunderland on water. Motor boat takes Captain Stone and crew to the flying boat. Controls inside the plane - Captain Stone getting ready for takeoff.
Flying boat takes off. Good shots of flying boat in flight. Flying boat lands. Captain Stones reports to maintenance engineers after the flight. Several shots of the engineers working on the plane. Several shots of the plane taking off and in flight again. Aerial shots of land and sea. Aerial view of light house from Short Sunderland aircraft. Shot of clouds with plane in foreground. Plane landing.