HMS Thorough (P324)

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HMS Thorough.jpg
HMS Thorough
Career (UK)
Name: HMS Thorough
Builder: Vickers Armstrong, Barrow
Laid down: 26 October 1942
Launched: 30 October 1943
Commissioned: 1 March 1944
Fate: Scrapped June 1962
THOROUGH badge-1-.jpg
General characteristics
Class and type: British T class submarine
Displacement: 1,290 tons surfaced
1,560 tons submerged
Length: 276 ft 6 in (84.28 m)
Beam: 25 ft 6 in (7.77 m)
Draught: 12 ft 9 in (3.89 m) forward
14 ft 7 in (4.45 m) aft
Propulsion: Two shafts

Twin diesel engines 2,500 hp (1.86 MW) each

Twin electric motors 1,450 hp (1.08 MW) each
Speed: 15.5 knots (28.7 km/h) surfaced
9 knots (20 km/h) submerged
Range: 4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced
Test depth: 300 ft (91 m) max
Complement: 61
Armament: 6 internal forward-facing torpedo tubes

2 external forward-facing torpedo tubes
2 external amidships rear-facing torpedo tubes
1 external rear-facing torpedo tubes
6 reload torpedoes
4 inch (100 mm) deck gun

3 anti aircraft machine guns

HMS Thorough was a British submarine of the third group of the T class. She was built as P324 by Vickers Armstrong, Barrow, and launched on 30 October 1943. So far she has been the only ship of the Royal Navy to bear the name Thorough.


Thorough served in the Far East for much of her wartime career, where she sank twenty seven Japanese sailing vessels, seven coasters, a small Japanese vessel, a Japanese barge, a small Japanese gunboat, a Japanese trawler, and the Malaysian sailing vessel Palange. In August 1945, in company with HMS Taciturn, she attacked Japanese shipping and shore targets off northern Bali. Thorough sank a Japanese coaster and a sailing vessel with gunfire.

16 December 1957 HMS Thorough returned to HMS Dolphin, Portsmouth Dockyard, after first circumnavigation by a submarine. [1] [2][3]

She survived the war and continued in service with the Navy, finally being scrapped at Dunston on Tyne on 29 June 1962.[4]


  1. ^ [The Royal Navy Day by Day Captain A.B. Sainsbury, VRD, MA, RNR & Lieutenant-Commander F.L. Phillips, TD, RD, RNR],
  2. ^ [1], Facebook Group UK RN & Submarine Service
  3. ^ Royal Navy On This Day...... [2],
  4. ^ HMS Thorough,