| 1911 | D 3 (I 73) | Completed |
| 1915 | E 20 (I 69) | Completed |
| 1940 | Unbending (P 37) | Laid Down |
| 1940 | Parthian (N 75) | Unsuccessful attack on Italian cruiser force |
| 1941 | Talisman (N 78) | HMS Talisman claims the sinking of two sailing vessels with gunfire north of Benghazi, Libya. |
| 1941 | Trident (N 52) | HMS Trident torpedoes and sinks the German merchants Donau II and Bahia Laura in Lopphavet, Norway. |
| 1941 | Unbeaten (N 93) | HMS Unbeaten torpedoes and sinks the Italian sailing vessel V51/Alfa about 25 nautical miles south of Capo dell'Armi, Italy. |
| 1942 | Rorqual (N 74) | HMS Rorqual lays 50 mines south-east of Corfu. She also torpedoes and sinks the Italian merchant Monstella in the Ionian Sea off Corfu Island. |
| 1942 | Traveller (N 48) | HMS Traveller departed Beirut for her 3rd war patrol. She was ordered to patrol off the North-African coast in the Tobruk area. Later she was ordered to patrol North of Crete. |
| 1943 | Viking (P 69) | Completed |