Another view of the 1927 Schneider contest winner, taken at Calshot on September 13, 1931, when N220 was used as a practice machine.

Launching the S.5 N220 at Calshot on September 9, 1931. The four year old seaplane was used by the High Speed Flight as a practice aircraft.

A Supermarine S.6 seaplane under construction at Woolston in May 1929. The 1929 Schneider contest was won by S.6 N247 flown by FO. H R. J. Wag horn on September 7, 1929.

Another view of the 1931 Schneider contest winner, S.6B S1595, taken at Calshot on September 9, 1931.

Another view of an S.6 under construction at Woolston in May 1929. The S.6 N248 was flown in the 1931 contest as an S.6A, having set up new World speed-records in 1929.

The Supermarine S6B S1595, powered by a 2,300 h.p. Rolls-Royce Type R engine, seen at Calshot on September 9, 1931. S1595 won the 1931 Schneider contest at an average speed of 340-1 m.p. h. Flt Lt J. N. Boothman, is seen sitting on the aircraft.

Supermarine S.5, N220, at Calshot on September 9, 1931. Powered by a geared 875 h.p. Napier Lion VIIB, this aircraft won the 1927 Schneider contest and came third in the 1929 race.

Fairey Firefly IIIM prototype S1592 at Calshot on August 9, 1931. This Fleet Air Arm fighter was powered by a 480 h.p. Rolls-Royce Kestrel IIS engine.

The Supermarine Southampton II S1041, a converted Mk I boat with a metal hull. Powered by two 500 h.p. Napier Lion VA engines this 201 Sqn aircraft is seen at Calshot - on September 6, 1929.

Another view of the the Supermarine Southampton II S1041