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HMS Cygnet3600 hp (2.68 MW) (original)
4300 hp (3.21 MW) (modified) 20 knots (37 km/h) (modified) Four 2 pdr AA pom-pom; four 0.5 inch (13 mm) AA (original)
Twelve 20 mm Oerlikon AA (6x2) (modified)
General Characteristics
Displacement: 1,250 tons (original) 1,350 tons (modified)
Length: 283 ft (86.3 m)
Beam: 38 ft (12 m)
Draught: 11 ft (3.4 m)
Propulsion: Geared turbines, 2 shafts:
Speed: 19 knots (35 km/h) (original)
Range: 7,500 miles at 12 knots (12,100 km at 22 km/h)
Complement: 180 (original); 192 (modified)
Armament: Six 4 inch (100 mm) AA guns (3x2)
The Black Swan class and Modified Black Swan class were two classes of sloop of the Royal Navy and Royal Indian Navy. Eight Black Swans were launched between 1939 and 1943; twenty-nine modified Black Swans were launched between 1942 and 1945.

Like corvettes, sloops were specialized convoy-defence vessels, with anti-aircraft and anti-submarine capability. They were designed to have a longer range than a destroyer at the expense of a lower top speed, while remaining capable of outrunning surfaced Type VII and Type IX U-boats.

In World War II, Black Swan-class sloops sank 29 U-boats. The most famous sloop commander was Captain Frederick John Walker. His sloop Starling became one of the most successful submarine hunters, taking part in the sinking of eleven U-boats.

After the war, sloops continued in service with the Royal Navy, Egyptian Navy, Indian Navy, Pakistani Navy and the West German Navy. In April 1949, Amethyst was attacked on the Yangtze River by the Communist People's Liberation Army.

Several Black Swan sloops fought in the Korean War.

Black Swan class


Royal Indian Navy Royal Navy

Modified Black Swan class


Royal Indian Navy Royal Navy

Black Swans sunk or destroyed in combat


U-boats sunk by Black Swans


See also


Ship classesBlack Swan class sloops

 

This article is licensed under the GNU Free Documentation License. It uses material from the "Black Swan class sloop".

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