| 1917 | H32 | Laid Down |
| 1940 | Swordfish (N61) | HMS Swordfish fires 6 torpedoes against the German merchant Santos about 17 nautical miles south-south-east of Larvik, Norway. All torpedoes fired missed their target. |
| 1940 | Seal (N37) | HMS Seal arrived at Blyth. |
| 1940 | Utmost (N19) | Launched |
| 1942 | Trident (N52) | HMS Trident torpedoes and sinks the German merchant Hadur in the Svefjord, Norway. |
| 1942 | P552 | Transferred to the Royal Navy as HMS P552 |
| 1945 | Tradewind (P329) | HMS Tradewind sinks a Japanese tug and two Japanese sailing vessels with gunfire in the Gulf of Siam. |
