(Displacements quoted are submerged displacements. Endurances are submerged endurances)
 
 

LAKE-TYPE
Complement 17 Displacement 270t Endurance 950/40nm

U1 and U2
 
 

GERMANIA-TYPE
Complement 21 Displacement 296t Endurance 1,200/45nm
 

U3

U4

 

HOLLAND-TYPE
Complement 19 (U12 = 17) Displacement 273t Endurance 2,500/60nm
 

U5

U6

U12

 

LARGE GERMANIA-TYPE
Complement 36 Displacement 931t Endurance 4,000/115nm
 

U7

U8

U9

U10

U11

Seized from makers - Germania of Kiel - on 28 Nov 1914 by German Navy. These vessels therefore did not actually serve in Austro-Hungarian Navy. Their German designations were U66 to U70.
 
 

OKARINA CLASS (GERMAN UBI-TYPE)
Complement 16 Displacement 141t Endurance 1,200/65
 

U10

U11

U15

U16

U17

 

CAPTURED SUBMARINE

U14 (ex Curie of France)
 
 

HAVMANDEN CLASS

Complement 18 Displacement 210t Endurance 2,000/54-71nm
 

U20

U21

U22

U23

 

WESER CLASS (GERMAN UBII-TYPE)

Complement 19 Displacement 312t Endurance 4,000/45-130nm
 

U27	U28	U29	U30
U31	U32	U40

 

AUSTRO-HUNGARIAN IMPROVED UBII-TYPE

Complement 19 Displacement 326t Endurance 4,000/160nm

U41
 
 

GERMAN UBII-TYPE
 

U43

U47

 

850t HOCHSEE CLASS - all under construction by end of War, but never completed.

Complement 32-33 Displacement 1,100-1,1210t Endurance 4,000/100nm
 

U48

U49

U50

U51

U52

U53