| 1906 | C2 | Completed |
| 1908 | C23 | Launched |
| 1908 | C24 | Launched |
| 1941 | P36 | While on patrol in the Bay of Biscay HMS P 36 attacks a German submarine with torpedoes south-west of Belle-Ile island. All torpedoes missed. |
| 1943 | Torbay (N79) | HMS Torbay fires three torpedoes against the German merchant Salomea off Lemnos island, Greece. All three torpedoes missed. |
| 1944 | Sturdy (P248) | HMS Sturdy sinks two Japanese sailing vessels with gunfire south-east of Borneo. |
| 1944 | Supreme (P252) | HMS Supreme sinks two Japanese sailing vessels with gunfire of the Andaman Islands. |
