Kingfisher-class sloop

Shearwater
Class overview
Operators	Royal Navy
Preceded by	Grimsby class
Succeeded by	Bittern class
Built	1934–1939
In commission	1935–1950
Completed	9
Lost	1
General characteristics
Type	Sloop-of-war
Displacement	Kingfisher group; 510 long tons (518 t) (standard) Kittiwake group; 530 long tons (539 t) (standard) Shearwater group; 580 long tons (589 t) (standard)
Length	243 ft 3 in (74.1 m) o/a
Beam	26 ft 6 in (8.1 m)
Draught	Kingfisher group; 6 ft (1.8 m) Kittiwake group; 6 ft 3 in (1.9 m) Shearwater group; 6 ft 6 in (2.0 m)
Installed power	2 shafts; 2 geared steam turbines
Propulsion	2 × Admiralty 3-drum boilers 3,600 shp (2,685 kW)
Speed	20 knots (37 km/h; 23 mph)
Complement	60
Sensors & processing systems	ASDIC
Armament	As designed Kingfisher group; 1 × single 4 in (102 mm) gun Depth charges Kittiwake group; 1 × single 4 in gun Depth charges Shearwater group; 1 × single 4 in gun 1 × quadruple 0.5 in (12.7-mm) machine guns Depth charges

The Kingfisher class was a class of nine patrol sloops of the British Royal Navy built in three groups of three each during the 1930s, that saw service during World War II, mainly on East Coast convoys in the North Sea.