| 1939 | Seahorse (S98) | HMS Seahorse ended her 1st war patrol at Dundee but moved to Rosyth later the same day. |
| 1940 | Tribune (N76) | HMS Tribune attacks German submarine U-56 about 15 nautical miles north-east of St. Kilda, Hebrides. Two torpedoes were fired but missed. |
| 1941 | O24 (Dutch) | Sank the Italian auxiliary patrol vessel V 63 / Carla with gunfire in the Gulf of Genoa about 30 nautical miles from Gorgona Island, Italy. O24 had first fired two torpedoes that both missed. |
| 1943 | P512 | HMS P512 was handed back to the United States Navy. |
| 1943 | Sportsman (P229) | HMS Sportsman sinks the Italian fishing vessels Angiolina P and Maria Luisa B with gunfire in the port of Al'ria, Corsica, France. |
| 1943 | Universal (P57) | HMS Universal sinks the Italian auxiliary patrol vessels V 130/Ugo and V 134/Tre Sorelle with gunfire west of La Spezia, Italy. |
| 1944 | Stygian (P249) | HMS Stygian sinks a Japanese sailing vessel with gunfire of the west coast of Burma. |
| 1944 | Tabard (P342) | Laid Down |
| 1945 | Seneschal (P255) | Completed |
