After the war, Calshot continued its crew training and aircraft development role, and became home to the RAF School of Naval Co-operation and Aerial Navigation.

[7] On 24 March 1924, three serving members of the RAF took off from Calshot in a Vickers Vulture amphibious biplane on a planned round-the-world flight.

The flight was beset by bad weather and several mishaps, including a crash in Akyab Harbour, Burma (requiring a replacement aircraft); and eventually a forced sea landing near Bering Island ended the attempt.

While there he was seconded to the nearby British Power Boat Company factory, where he worked with Hubert Scott-Paine in the development of the 200 Class Seaplane Tender, at the time claimed to be the fastest craft of their size in the world.

[9] Also in 1940, a small number of ex Norwegian Heinkel He 115 flying boats arrived – later to be used for covert operations, landing and collecting agents from occupied Europe.

12 (Flying Boat) Preparation and Modification Unit RAF was established at Calshot 1 September 1945 and disbanded on 25 April 1946, without moving stations.

In February 1950, whilst ferrying crew to their Sunderland flying boat as Duty Coxswain, an aircraft he had earlier supplied with technicians, burst into flames.

Two unfinished Saunders-Roe Princess flying boats, designed to carry 100 passengers and with a range of 5000 miles, were cocooned at RAF Calshot, near the island hangar during the 1950s and 1960s, before being scrapped.

[14] On 25 July 1970, the RNLI sent the Keith Nelson type lifeboat ON 1017 Ernest William and Elizabeth Ellen Hyde to Calshot for evaluation, and in 1971 a permanent station was established.

In 1981, a Short Sandringham flying boat, called the Southern Cross, landed at Calshot after an epic journey across the Atlantic Ocean.