Black Swan Class Sloop - Modified Black Swan Class

Modified Black Swan Class

Royal Navy

Fourteen sloops for the RN were in the 1940 Supplementary War Programme. The first two were ordered from Denny, Dunbarton, on 9 January 1941, ten more were ordered on 27 March 1941 (two each from Cammell Laird, Scotts, Thornycroft, Yarrow and John Brown), and a final pair from Fairfield, Govan, on 18 July 1941. The contract with John Brown was transferred to Devonport Dockyard on 3 March 1942, and then to Denny on 8 December 1942.

Name Pennant Builder Laid Down Launched Commissioned Fate
Chanticleer U05 Denny, Dunbarton 6 June 1941 24 September 1942 29 March 1943 Constructive total loss following torpedoing on 18 November 1943 by U-515 (Henke). Renamed Lusitania 31 December 1943 as a base ship, then broken up at Lisbon 1945.
Crane U23 Denny, Dunbarton 13 June 1941 9 November 1942 10 May 1943 Broken up March 1965.
Cygnet U38 Cammell Laird, Birkenhead 30 August 1941 28 July 1942 1 December 1942 Broken up 16 March 1956.
Kite U87 Cammell Laird, Birkenhead 25 September 1941 13 October 1942 1 March 1943 Sunk by U-344 on 21 August 1944.
Lapwing U62 Scotts, Greenock 17 December 1941 16 July 1943 21 March 1944 Sunk by U-968 on 20 March 1945.
Lark U11 Scotts, Greenock 5 May 1942 28 August 1943 10 April 1944 Constructive total loss following torpedoing by U-968 off Kola Inlet on 17 February 1945; salved by Soviet Navy and added as Neptun, finally broken up 1956.
Magpie U82 Thornycroft, Woolston 30 December 1941 24 March 1943 30 August 1943 Broken up 12 July 1959.
Peacock U96 Thornycroft, Woolston 29 November 1942 11 December 1943 10 May 1944 Broken up 7 May 1958.
Pheasant U49 Yarrow, Scotstoun 17 March 1942 21 December 1942 12 May 1943 Broken up January 1963.
Redpole U69 Yarrow, Scotstoun 18 May 1942 25 February 1943 24 June 1943 Broken up 20 November 1960.
Snipe U20 Denny, Dunbarton 21 September 1944 20 December 1945 9 September 1946 Broken up 23 August 1960.
Sparrow U71 Denny, Dunbarton 30 October 1944 18 February 1946 16 December 1946 Broken up 26 May 1958.
Starling U66 Fairfield, Govan 21 October 1941 14 October 1942 1 April 1943 Broken up July 1965.
Woodcock U90 Fairfield, Govan 21 October 1941 26 November 1942 29 May 1943 Sold for breaking up 28 November 1955.

Another fourteen ships were authorised in the 1941 Programme, but the last three ships (the names Star, Steady and Trial had been approved) were not ordered under this programme. The first of the eleven actually ordered was contracted with Thornycrofy on 3 December 1941, with a further pair from Stephens, Linthouse, on 18 December. Eight more were ordered in 1942, two on 11 February, two on 3 March (originally from Portsmouth Dockyard), two on 12 August and two on 5 October. However the order for two sloops were ordered at Portsmouth was moved to Chatham Dockyard on 21 June 1943, and they were laid down there, but were cancelled on 15 October 1945.

Name Pennant Builder Laid Down Launched Commissioned Fate
Actaeon U07 Thornycroft, Woolston 15 May 1944 25 July 1945 24 July 1946 Transferred to West Germany as Hipper 9 December 1958. Hulked July 1964, sold for breaking up 25 October 1967.
Amethyst U16 Alex. Stephen, Linthouse 25 March 1942 7 May 1943 2 November 1943 Broken up 18 January 1957.
Hart U58 Alex. Stephen, Linthouse 27 March 1942 7 July 1943 12 December 1943 Transferred to West Germany as Scheer 1958. Sold for breaking up 17 March 1971.
Hind U39 Denny, Dunbarton 31 August 1942 30 September 1943 11 April 1944 Broken up 10 December 1958.
Mermaid U30 Denny, Dunbarton 8 September 1942 11 November 1943 12 May 1944 Transferred to West Germany as Scharnhorst 5 May 1950. Hulked 1974, and broken up April 1990.
Alacrity U60 Denny, Dunbarton 4 May 1943 1 September 1944 13 April 1945 Broken up 15 September 1956.
Opossum U33 Denny, Dunbarton 28 July 1943 30 November 1944 16 June 1945 Broken up 26 April 1960.
Modeste U42 Chatham Dockyard 15 February 1943 29 January 1944 3 September 1945 Broken up 11 March 1961.
Nereide U64 Chatham Dockyard 15 February 1943 29 January 1944 6 May 1946 Broken up 18 May 1958.
Nonsuch U54 Portsmouth Dockyard, later moved to Chatham Dockyard 26 February 1945 Cancelled 15 October 1945.
Nymphe U84 Portsmouth Dockyard, later moved to Chatham Dockyard 26 February 1945 Cancelled 15 October 1945.

Two more sloops were authorised in the 1942 Programme; the names would have been Waterhen and Wryneck but they were never ordered in that year's Programme. The 1944 Programme re-instated these two vessels, as well as the twelfth sloop authorised under the 1941 Programme, and now named as Partridge. These three ships were ordered on 9 October 1944, but they were all cancelled on 15 October 1945. These had been intended to be further modified and enlarged, with a beam of 38 feet 6 inches (11.73 m). Two further ships planned under the 1944 Programme would have been named Woodpecker (ii) and Wild Swan, but these were never ordered and the intention to build was dropped when the 1945 Programme was compiled.

  • Partridge, ordered from Thornycroft.
  • Waterhen, ordered from Denny.
  • Wryneck, ordered from Denny.

Royal Indian Navy

Two ships for the Indian Navy were included in the 1941 Programme, the order being placed with Yarrow on 10 September 1941. Construction dates are tabulated above.

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