Allied Warships


River class

3 ships

Technical information

Displacement1850 / 2723 BRT 
Length345 feet 
Complement6 officers + 55 men 
Armament1 4" gun
6 21" torpedo tubes (6 bow) 
Max speed22.25 / 10 knots (surfaced/submerged)
EnginesDiesel / Electric, 2 shafts 
Power10000 / 2500 HP  (surfaced/submerged)
Notes on classThis class of submarines was sometimes known as the "Thames" class.

They were designed to operate with the fleet.

Thames had a slight different displacement 1805 / 2680 BRT. 

All ships of the River class

Royal Navy Royal Navy (more on Royal Navy)

HMS Clyde (N 12)
HMS Severn (N 57)
HMS Thames (N 71) Lost on 3 Aug 1940

3 Submarines of the River class. 1 of them was lost.

Full wartime service history on this vessel.

See all Submarine classes.

Hitler's Forgotten Flotillas

Lawrence Paterson

Books dealing with this subject include:

Fight for the Sea, Turner, John Frayn, 2001
German submarine U-1105 'Black Panther', Aaron Stephan Hamilton, 2019
Hitler's Forgotten Flotillas, Lawrence Paterson, 2017
Uss Pampanito: Killer-Angel, Michno, Gregory, 2000

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