Black Swan-class sloop Modified   class Modified   class

| Name_ | Pennant | Builder | Laid_Down | Launched | Commissioned |
|---|---|---|---|---|---|
| Chanticleer | U05 | Denny, Dunbarton | 6 June 1941 | 24 September 1942 | 29 March 1943 |
| Crane | U23 | Denny, Dunbarton | 13 June 1941 | 9 November 1942 | 10 May 1943 |
| Cygnet | U38 | Cammell Laird, Birkenhead | 30 August 1941 | 28 July 1942 | 1 December 1942 |
| Kite | U87 | Cammell Laird, Birkenhead | 25 September 1941 | 13 October 1942 | 1 March 1943 |
| Lapwing | U62 | Scotts, Greenock | 17 December 1941 | 16 July 1943 | 21 March 1944 |
| Lark | U11 | Scotts, Greenock | 5 May 1942 | 28 August 1943 | 10 April 1944 |
| Magpie | U82 | Thornycroft, Woolston | 30 December 1941 | 24 March 1943 | 30 August 1943 |