| 1905 | A 7 (I 17) | Completed |
| 1916 | G 3 (I A5) | Completed |
| 1917 | K 16 | Completed |
| 1940 | Sunfish (N 81) / V1 (USSR) | HMS Sunfish torpedoes and damages the German Q-ship Schiff in the Kattegat. |
| 1940 | Narwhal (N 45) | HMS Narwhal lays minefield FD 5 (50 mines) in the Kattegat. |
| 1940 | Tetrarch (N 77) | Tetrarch's first patrol was carried out in C9 - the Lillesand sector. The boat made what was thought to be an unsuccessful attack on a transport and as a result was depth-charged for 43 hours. Surfaced for 3 minutes in the middle of enemy vessels and fired torpedoes at A/S trawler |
| 1940 | Seal (N 37) | HMS Seal closed the harbour of Stavanger, Norway. No enemy warships or merchants were sighted inside the harbour. Seal then withdrew to seaward. |
| 1942 | Thrasher (N 37) | HMS Thrasher torpedoes and sinks the German army cargo ship Atlas south-west of Bengasi, Libya. She also sinks the Italian tug Pilo 210 with gunfire in roughly the same area. |
| 1943 | Taurus (P 339) | HMS Taurus sinks the Portugese Santa Irene with gunfire about 30 nautical miles south-east of Bastia, Corsica, France. |
| 1944 | Voracious (P 78) | Completed |