Allied Warships


O 19 class

2 ships

The submarine HNMS O 20 of the Royal Dutch Navy. She was lost on 19 Dec 1941.

Technical information

Displacement1145 / 1561 BRT 
Complement40 men 
Armament1 3.5" gun
2 40mm (2x1)
1 12.7mm MG
8 21" torpedo tubes (4 bow, 2 stern, 2 external amidships)
14 torpedoes
40 mines 
Max speed19.5 / 9 knots (surfaced/submerged)
EnginesDiesels / Electric, 2 shafts 
Power5300 / 1000 HP  (surfaced/submerged)
Notes on classThis was the first submarine class in the world equipped with a "snort" (Schnorchel).

Submarines of this class that have detailed patrol info added are shown in bold in the list below.  

All ships of the O 19 class

Royal Dutch Navy Royal Dutch Navy (more on Royal Dutch Navy)

HNMS O 19 (N 54) Lost on 10 Jul 1945
HNMS O 20 Lost on 19 Dec 1941

2 Submarines of the O 19 class. 2 of them were lost.

Full wartime service history on this vessel.

See all Submarine classes.

U-Boats Attack!

Jak P. Mallman Showell

Books dealing with this subject include:

Baltic Assignment, Wilson, Michael, 1985
A Blue Water Navy, WAB Douglas, R. Sarty, M. Whitby et al., 2007
German Submarines, Lenton, H.T., 1965
Tin Can Sailor, Calhoun, C. Raymond, 1993
U-Boats Attack!, Jak P. Mallman Showell, 2011

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