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. 

Royal Navy Royal Navy ships of the River class

To see all River class ships click here.

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 Royal Navy 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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