HMSThames
History
United Kingdom
Name	HMSThames
Ordered	1931
Builder	Vickers-Armstrongs,Barrow
Launched	26 February 1932
Home port	Dundee
Fate	Missing, probably mined 23 July 1940[1]
Badge
General characteristics
Displacement	2,165 tons surfaced 2,680 tons submerged
Length	345 ft (105 m)
Beam	28 ft 3 in (8.61 m)
Draught	15 ft 11 in (4.85 m)
Propulsion	2 shaft diesel electric 2 supercharged diesels 10,000 hp max 2 electric motors 2500 hp
Speed	22 knots surfaced 10 knots submerged
Complement	61
Sensors & processing systems	ASDIC
Armament	6 ×21 inch (533 mm) torpedo tubes (bow) 1 × 4 inch Mk XVI deck gun

HMSThames (N71) was an ocean-going type of submarine of theRiver Class. She was built byVickers-Armstrongs,Barrow and launched on 26 February 1932. She was completed on 14 September 1932, and after commissioning was assigned to the Mediterranean, stationed atMalta.^[2]

She had a short career in theSecond World War. In August 1939 she was recalled to home waters, and was assigned to 9th Submarine Flotilla with theHome Fleet. From there she undertook interception patrols, searching for German U-boats, surface raiders and blockade runners. After refitting during the winter she was active in the North Sea in spring 1940 during theNorwegian campaign.^[2]In July 1940Thames torpedoed and sank the German torpedo boatLuchs.Luchs was part of the escort for the damagedGerman battleshipGneisenau that was on passage fromTrondheim, Norway toKiel, Germany.^[1]

Thames was reported overdue on 3 August 1940, and had probably struck a mine off Norway in late July or early August 1940.^[1]As HMSThames was operating from Dundee with the 9th Submarine Flotilla when she was lost, her crew are all commemorated onDundee International Submarine Memorial.^[3]The crew members are also commemorated at theRoyal Navy Submarine Museum.^[4]

• Colledge, J. J.; Warlow, Ben (2006) [1969].Ships of the Royal Navy: The Complete Record of All Fighting Ships of the Royal Navy from the 15th Century to the Present (Rev. ed.). London: Chatham Publishing.ISBN 978-1-86176-281-8.OCLC 67375475.

• GB MasonHMSThames at naval-history.net

• River-class submarines
• Ships built in Barrow-in-Furness
• 1932 ships
• World War II submarines of the United Kingdom
• Ships sunk by mines
• Lost submarines of the United Kingdom
• World War II shipwrecks in the North Sea
• Maritime incidents in July 1940
• British submarines lost with all hands
• Ships built by Vickers-Armstrongs at Barrow in Furness

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