Royal Navy — Submarine class
British U-class submarine
Group three
The class in numbers
- 34 Completed
Design and service
- Type
- Submarine
- Navies
- Royal Navy 51
Polish Navy 1
Class specifications
Figures for the class as designed. Individual vessels varied, sometimes considerably — each vessel page carries its own configurations.
As built
- Displacement, surfaced
- 540 long tons (549 t)
- Displacement, submerged
- 730 long tons (742 t)
- Length
- 58.22 m (191 ft)
- Speed
- 11.3 knots (20.8 km/h, 12.9 mph)
- Complement
- 27
- Main gun
- 76 mm (3 in)
- Armament
- 6 × 21-inch (533 mm) torpedo tubes - 4 bow internal, 2 bow external (first group only) 8–10 torpedoes
- 1 × 3 in gun
Fit 2
- Displacement, submerged
- 630 long tons (640 t)
- Length
- 58.22 m (191 ft)
- Speed
- 11.3 knots (20.8 km/h, 12.9 mph)
- Complement
- 36
- Armament
- bow 4 × 21-inch (533 mm) torpedo tubes (8 × torpedoes)
- (later, 6 mines)
- 1 × QF 12-pounder
- 2, later 3 × .303-calibre machine-guns
Fit 3
- Displacement, surfaced
- 662 long tons (673 t)
- Length
- 62.48 m (205 ft)
- Speed
- 12.8 knots (23.6 km/h, 14.7 mph)
- Complement
- 37
- Armament
- bow 4 × 21-inch (533 mm) torpedo tubes (8 × torpedoes)
- (later, 6 mines)
- 1 × QF 12-pounder
- 3 × machine-guns)
Roster
| Vessel | Pennant | Commissioned | Fate |
|---|---|---|---|
| French submarine Curie (P67) | P67 | 1943 | Scrapped 1949 |
| HMS P32 (1940) | 1940 | 1941 | Disposed 1941 |
| HMS P33 (1941) | 1941 | 1941 | 1941 |
| HMS P36 (1941) | 1941 | 1941 | Sunk 1942 |
| HMS P38 (1941) | 1941 | 1941 | Sunk 1942 |
| HMS P39 | 1941 | 1942 | |
| HMS P47 | 1942 | Scrapped 1952 | |
| HMS P48 (1942) | 1942 | 1942 | 1942 |
| HMS Ultimatum | 1941 | Scrapped 1949 | |
| HMS Ultor | 1942 | Scrapped 1946 | |
| HMS Umbra | 1941 | Scrapped 1946 | |
| HMS Umpire (N82) | N82 | 1941 | Sunk 1941 |
| HMS Una | 1941 | Scrapped 1949 | |
| HMS Unbeaten | 1940 | Sunk 1942 | |
| HMS Unbending | 1941 | Scrapped 1950 | |
| HMS Unbroken | P42 | 1942 | Transferred 1949 |
| HMS Undaunted (N55) | N55 | 1940 | Sunk 1941 |
| HMS Undine (N48) | N48 | 1938 | Scuttled 1940 |
| HMS Union (N56) | N56 | 1941 | Sunk 1941 |
| HMS Unique (N95) | N95 | 1940 | 1942 |
| HMS Unison | 1942 | Transferred 1949 | |
| HMS United | 1942 | Scrapped 1946 | |
| HMS Unity (N66) | N66 | 1938 | Sunk 1940 |
| HMS Universal | 1943 | Scrapped 1946 | |
| HMS Unrivalled | 1942 | Scrapped 1946 | |
| HMS Unruffled | P46 | 1942 | Scrapped 1946 |
| HMS Unruly | P49 | 1942 | Scrapped 1946 |
| HMS Unseen (P51) | P51 | 1942 | Scrapped 1949 |
| HMS Unshaken | 1942 | Scrapped 1946 | |
| HMS Unsparing | 1942 | Scrapped 1946 | |
| HMS Unswerving | 1943 | Scrapped 1949 | |
| HMS Untamed | P58 | 1943 | Scrapped 1946 |
| HMS Untiring | P59 | 1943 | Transferred 1952 |
| HMS Upholder (P37) | P37 | 1940 | Sunk 1942 |
| HMS Upright | 1940 | Scrapped 1946 | |
| HMS Uproar | 1941 | Scrapped 1946 | |
| HMS Upstart | 1943 | Transferred 1952 | |
| HMS Urge | 1940 | Sunk 1942 | |
| HMS Ursula (N59) | N59 | 1938 | Scrapped 1950 |
| HMS Usk (N65) | N65 | 1940 | Sunk 1941 |
| HMS Usurper | 1943 | Sunk 1943 | |
| HMS Uther | 1943 | Scrapped 1950 | |
| HMS Utmost | 1940 | Sunk 1942 | |
| HMS Vandal | 1943 | Sunk 1943 | |
| HMS Varangian | 1943 | Scrapped 1949 | |
| HNLMS Dolfijn (1942) | 1942 | 1942 | Scrapped 1952 |
| HNoMS Ula (1943) | 1943 | 1943 | Scrapped 1965 |
| HNoMS Uredd (P41) | P41 | 1941 | Sunk 1943 |
| ORP Dzik (P52) | P52 | 1942 | Transferred 1957 |
| ORP Sokół (1940) | 1940 | 1941 | Scrapped 1949 |
| Soviet submarine V-2 | P42 | 1942 | Transferred 1949 |
| Soviet submarine V-3 | 1942 | Transferred 1949 | |
| Soviet submarine V-4 | 1938 | Scrapped 1950 |
Sources
- Facts harvested from British U-class submarine on Wikipedia. Figures only — no wording is taken from it.