Full title reads: "Calshot. Britain is Supreme in the Air. Schneider Trophy won by Flt. Lt. Boothman outright for Britain at an average of 340.6 mph."
A seaplane speeds across water.
Unidentified man applauded on British Naval vessel.
More shots of seaplane.
Shots of speedboats racing.
Shots of pilot drinking on board warship.
CU of pilot with sailor.
N.B. This item is completely mixed up and makes no sense. There is also a missing intertitle which should read: "then Flt. Lt. Stainforth went up and shattered the world's record averaging over 378 miles per hour."
This and extra material are found at 859.21.