| Navy | The Royal Navy |
| Type | Submarine |
| Class | U |
| Pennant | P 59 |
| Built by | Vickers Armstrong (Newcastle-on-Tyne, U.K.) : Davey Paxman & Ricardo |
| Ordered | 12 Jul 1941 |
| Laid down | 23 Dec 1941 |
| Launched | 20 Jan 1943 |
| Commissioned | 9 Jun 1943 |
| End service | 25 Jul 1945 |
| Loss position | |
| History | Loaned to Greece as Amphitriti on 25 July 1945. Returned to the Royal Navy in 1952. Sunk as an Asdic target off Start Point on 25 July 1957. The wreck sits upright in 53 meters of water in an area of generally reasonable visibility and is easily reached from Salcombe or Plymouth. She is still in very good condition with little sign of collapse over the 46 years since she was sunk. The boat lists slightly to port and the propellors are still both visible above the loose gravel of the bottom. When Underwater Explorers UK (offsite link) dived her last, on 6 July 2003, the boat had a good colection of growth on her and was home to numerous species of fish. |
Commands listed for HMS Untiring (P 59)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | Lt. Robert Boyd, DSC, RN | 7 Feb 1943 | 27 Dec 1944 |
| 2 | Lt. George Edward Lynton Foster Edsell, RN | 27 Dec 1944 | 25 Jul 1945 |
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Noteable events involving Untiring include:
27 Aug 1943
HMS Untiring (Lt. R. Boyd, DSC, RN) sinks the Norwegian fishing vessel Havbris II (Master Andreas Strandkleiv) with gunfire about 55 nautical miles west of the Norwagian coast in position 62º50'N, 02º10'E. Havbris II was fishing for halibut at the time of her sinking. The crew of 7 men was captured and put ashore in the Shetlands 10 days later. (see map)
15 Oct 1943
At 0603 hours HMS Untiring (Lt. R. Boyd, DSC, RN) fires four torpedoes against the German submarine U-616 off Toulon, southern France. All four torpedoes missed their target.
14 Dec 1943
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes and sinks the German netlayer Netztender 44/Prudente (396 GRT) in Monaco harbour.
6 Jan 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes and sinks the German barge F 296 south of Moneglia, Italy in position 44º13'N, 09º29'E. (see map)
31 Jan 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) sinks the German Jean Suzon/FP 352 and St. Antoine/FP 358 with gunfire south-east of Cape Drammont, southern France in position 43º24'N, 06º54'E. (see map)
11 Apr 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) sinks the German auxiliary minesweeper M 6022/Enseigne south of Cannes, southern France in position 43º22'N, 07º00'E. (see map)
12 Apr 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes ans sinks the German merchant Diana (1454 GRT) 5 nautical miles south of Oneglia in position 43º25'N, 06º51'E. (see map)
27 Apr 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes and sinks the German auxiliary submarine chaser UJ 6075 / Clairvoyant off Toulon, southern France in position 43º01'N, 05º58'E. (see map)
1 May 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes and sinks the German merchant Siena (2147 GRT, former French Astrée) off Port Vendres, southern France.
9 Jun 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) attacks the German auxiliary submarine chaser UJ 6073/Nimeth Allah off Toulon, southern France in position 43º03'N, 05º43'E. The target was not damaged.
At 1322 hours (time zone -2) sighted an escort vessel at 7100 yards.
At 1342 hours HMS Untiring fires four torpedoes from 2300 yards. The British claim one hit and to have sunk the vessel. (see map)
10 Jun 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) torpedoes and sinks the German auxiliary submarine chaser UJ 6078/La Havraise (398 GRT) about 12 nautical miles south-west of La Ciotat, southern France in position 43º08'N, 05º36'E.
At 1133 hours (time zone -3) three torpedoes were fired against an escort vessel 1600 yards away. One minute later a loud explosion was heard. The target was hit and sank in less then a minute. (see map)
10 Jul 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) attacks a German patrol vessel with 4 torpedoes off Cannes, southern France. The torpedoes however fail to hit their target.
At 2235 hours (time zone -2), when about to surface for the night, H.E. was detected astern. A little later the source of this H.E. was seen to be a small tug and two chasseurs in line ahead formation.
At 2310 hours Untiring surfaced and as Lt. Boyd was making up his mind as how to attack the rear chasseur challenged Untiring by lamp. Now four torpedoes were fired. The enemy formation broke apart but no hits were obtained. Untiring had dived by now and easily eluded the three enemy vessels. No depth charges were dropped.
4 Oct 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) fires 4 torpedoes against the German torpedo boats TA 18 (former Italian Solferino) off the Kassandra peninsula, Greece. All four torpedoes missed their target.
5 Oct 1944
HMS Untiring (Lt. R. Boyd, DSC, RN) fires 4 torpedoes against the German merchant Burgas off the Kassandra peninsula, Greece. All four torpedoes missed their target.
Untiring also claims to have sunk a sailing vessel with gunfire.