Allied Warships

Submarines

O 12 class

3 ships


The submarine HNMS O 12 of the Royal Dutch Navy. She was lost on 14 May 1940.

Technical information

TypeSubmarine
Displacement610 / 754 BRT 
Length60.5 m 
Complement31 men 
Armament2 40mm (2x1)
1 12.7mm MG
5 21" torpedo tubes (4 bow, 1 stern)
10 torpedoes 
Max speed16 / 8 knots (surfaced/submerged)
EnginesDiesels / Electric, 2 shafts 
Power1800 / 620 HP  (surfaced/submerged)
Notes on classThese were the first Dutch submarines with all 21" torpedo tubes. They carried no deck gun.

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


All ships of the O 12 class


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

HNMS O 12 Lost on 14 May 1940
HNMS O 13 (N 13) Lost on 25 Jun 1940
HNMS O 14 (N 14 / P 14)
HNMS O 15 (N 15 / P 15)


3 Submarines (4 names) of the O 12 class. 2 of them were lost.

Full wartime service history on this vessel.

See all Submarine classes.


Books dealing with this subject include:



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