The S and T class was a class of sixteen destroyers of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...

launched in 1942–1943. They were built as two flotillas, known as the 5th and 6th Emergency Flotilla, and they served as

fleet Fleet may refer to: Vehicles *Fishing fleet *Naval fleet *Fleet vehicles, a pool of motor vehicles *Fleet Aircraft, the aircraft manufacturing company Places Canada * Fleet, Alberta, Canada, a hamlet England * The Fleet Lagoon, at Chesil Beach ...

and

convoy A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used ...

escorts in

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

Design features

The S class introduced the CP (central pivot) Mark XXII mounting for the QF Mark IX 4.7 in guns. This new mounting had a shield with a sharply raked front, to allow increased elevation (to 55 degrees), contrasting noticeably with the vertical front of the previous CP Mark XVIII, and easily differentiated the S class onwards from their immediate predecessors. ''Savage'' was the exception in this respect, being fitted with four 4.5 in guns; a twin mounting forward and two singles aft. These ships used the

Fuze Keeping Clock The Fuze Keeping Clock (FKC) was a simplified version of the Royal Navy's High Angle Control System analogue fire control computer. It first appeared as the FKC MkII in destroyers of the 1938 ,''Tribal Class Destroyers'', Hodges, p. 27 while la ...

HA Fire Control Computer. The quadruple mounting Mark VII for the QF 2-pounder pom-poms was replaced by the twin mounting Mark IV for the 40 mm Bofors gun. Known as the " Hazemeyer" (or "Haslemere"), this advanced mounting was tri-axially stabilised in order that a target could be kept in the sights on the pitching deck of a destroyer and was fitted with an analog fire control computer and Radar Type 282, a metric range-finding set. The Hazemeyer design had been brought to Britain by the

Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...

minelayer '' Willem van der Zaan'' that had escaped from the German occupation in May 1940. The T class also was the first class to replace pole or tripod foremasts with lattice masts, which continued in subsequent War Emergency Flotillas.

Ships in class

S class

* * * (to

Royal Dutch Navy The Royal Netherlands Navy ( nl, Koninklijke Marine, links=no) is the naval force of the Kingdom of the Netherlands. During the 17th century, the navy of the Dutch Republic (1581–1795) was one of the most powerful naval forces in the world a ...

as HNLMS ''Kortenaar'', 1945) * (to

as HNLMS ''Evertsen'', 1946) * (to

as HNLMS ''Piet Hein'', 1945) * (to

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

as ) (lost on 6 June 1944) * (to

as ) * (lost on 24 June 1944)

T class

* * * * * * * *

References

Publications

* * * * * *

External links

{{DEFAULTSORT:S And T Class Destroyer Destroyer classes Ship classes of the Royal Navy