| Built By: | Vickers (Barrow) |
| Build Group: | U1 |
| Fate: | Sold for scrapping on 11th April 1949 at Llanelly. |
| 1941: | Lieutenant | Desmond Samuel Royce Martin | |
| 1942: | Lieutenant | Compton Patrick Norman | |
| 1942: | Lieutenant | John Dennis Martin | |
| 1943: | Lieutenant | William Gordon Meeke | |
| 1943: | Acting Lieutenant | Paul Stamford Thirsk (RNR) | |
| 1944: | Lieutenant | Arthur George Chandler | MID |
| 1944: | Lieutenant | Charles Alexander Jacomb Nicholl | |
| 1945: | Acting Lieutenant | Waldron Murrell Bennett | |
| 1945: | Lieutenant | Allan Miles Brittain Buxton |
Ex P32
1941 - 5th Flotilla: Portsmouth.
1941-1942 - 8th Flotilla: Gibraltar.
1942-1943 - 10th Flotilla: Malta.
Carried out 17 patrols in the Mediterranean during which time she sank 5 transports of 21,300 GRT.
August 1942 - Landed Commandos in Catania Bay.
November 1942 - Deployed to cover Operation Torch.
April 1943 - Returned to UK for refit.
August 1943 to the end of the war - Employed training A/S forces.
November 1945 - Placed in reserve until sold.
| 07-05-1940 | Laid Down |
| 10-06-1941 | Launched |
| 27-09-1941 | Completed |
| 12-02-1942 | HMS Una torpedoes and sinks the Italian tanker Luciana about 20 nautical miles north-east of Crotone, Calabria, Italy. |
| 13-03-1942 | HMS Una sinks the Italian fishing vessel Maria Immacolata with gunfire 6 nautical miles off Mehedia, Tunisia. |
| 05-04-1942 | HMS Una torpedoes and sinks the Italian merchant Ninetto G. about 12 nautical miles south of Capo dell'Armi. |
| 10-09-1942 | HMS Una fires torpedoes against the Italian merchant Brioni about 10 nautical miles west of Palaiokhóra, Crete, Greece but missed. |
| 03-10-1942 | HMS Una fires torpedoes against a merchant in Lampedusa harbour but torpedoes hit the rocks. |
| 18-10-1942 | HMS Una fires torpedoes against the Italian tanker Panuco north of Catania, Sicily, Italy. All torpedoes missed the target. |
| 27-11-1942 | HMS Una attacked the German merchant Menes with two torpedoes north of the Gulf of Tunis but missed. |
| 01-02-1943 | HMS Una damages two sailing vessels with gunfire in the Gulf of Hammamet, Tunisia. Una had to break off the attack due to gunfire from shore batteries |
| 15-02-1943 | HMS Una torpedoes and sinks the Italian merchant Petrarca about 10 nautical miles north of Crotone, Calabria, Italy. |
| 10-03-1943 | HMS Una torpedoes and damages the Italian merchant Cosala 7 nautical miles off Punta Stilo, Italy. |
| Length overall | 190 ft 7 inch |
| Beam | 15 ft 9 inch |
| Depth | 15 ft 9 inch |
| Displacement | 630 tons (surface) |
| 730 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | 11.5 knots (surface) |
| 9 knots (submerged) | |
| No. of shafts | 2 |
| Endurance | Surface: 4050 miles at 10 knots (design) |
| Submerged: 23 miles at 8 knots or 170 miles at 2.5 knots (design) | |
| Armament | (i) 4 x 21 inch bow tubes (8 torpedoes carried) |
| (ii) 1 x 3 inch gun | |
| 3 x 0.303 inch machine-guns | |
| Complement | (peacetime) 4 Officers, 23 Others, |
| (at war) 4 Officers, 27 Others | |
| Note | (i) The first seven U Class submarines had two additional external bow tubes installed and carried 10 torpedoes |
| (ii) Undine and Unity, which were not fitted with the 3 inch gun, had 27-man complements. |
| Class: | 1927 - 1946: Parthian Class |
| Built By: | Vickers (Barrow) |
| Build Group: | P |
| Fate: | |
| Scrapped by West of Scotland Shipbreaking at Troon 26 February 1946. | |
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| Length overall | 190 ft 7 inch |
| Beam | 15 ft 9 inch |
| Depth | 15 ft 9 inch |
| Displacement | 630 tons (surface) |
| 730 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | 11.5 knots (surface) |
| 9 knots (submerged) | |
| No. of shafts | 2 |
| Endurance | Surface: 4050 miles at 10 knots (design) |
| Submerged: 23 miles at 8 knots or 170 miles at 2.5 knots (design) | |
| Armament | (i) 4 x 21 inch bow tubes (8 torpedoes carried) |
| (ii) 1 x 3 inch gun | |
| 3 x 0.303 inch machine-guns | |
| Complement | (peacetime) 4 Officers, 23 Others, |
| (at war) 4 Officers, 27 Others | |
| Note | (i) The first seven U Class submarines had two additional external bow tubes installed and carried 10 torpedoes |
| (ii) Undine and Unity, which were not fitted with the 3 inch gun, had 27-man complements. |
| Class: | 1927 - 1946: Parthian Class |
| Built By: | Vickers (Barrow) |
| Build Group: | P |
| Fate: | |
| Scrapped by West of Scotland Shipbreaking at Troon 26 February 1946. | |
11 pages added or updated in the last 1 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation. Or you can make a big one if you like :)
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.
Comments
Comment by: Christopher Wright on June 5th, 2024
My geandfather Charles Frederick Wright served on this vessel for the duration of WW2.
Later he moved to Mawnan Smith, Cornwall and named his house after this Submarine.
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