Allied Warships

Submarines

O 21 class

7 ships


The submarine HNMS O 26 of the Royal Dutch Navy.

Technical information

TypeSubmarine
Displacement990 / 1205 BRT 
Length77.7 m 
Complement39 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 
Max speed19.5 / 9 knots (surfaced/submerged)
EnginesDiesels / Electric, 2 shafts 
Power5000 / 1000 HP  (surfaced/submerged)
Notes on classSubmarines of this class that have detailed patrol info added are shown in bold in the list below.  


All ships of the O 21 class


Royal Dutch Navy (more on Royal Dutch Navy)

HNMS O 21 (P 21)
HNMS O 22 (P 22) Lost on 19 Nov 1940
HNMS O 23 (P 23)
HNMS O 24 (P 24)
HNMS O 25
HNMS O 26
HNMS O 27


7 Submarines of the O 21 class. 1 of them was lost.

Full wartime service history on this vessel.

See all Submarine classes.


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