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FIGHTING SHIPS OF THE WORLD
NORWAY
SUBMARINES
UTSIRA submarines (1944, 1943-1944/1946)


Photo



Utstein 1952

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Utsira (ex-Variance) P85, 1950- S301   Vickers-Armstrong, Barrow, UK 5.1943 22.5.1944 8.1944 stricken 12.1962
Utstein (ex-Venturer) P68, 1950- S302   Vickers-Armstrong, Barrow, UK 8.1942 4.5.1943 8/1943 // 1.1946 stricken 1.1964
Utvær (ex-Viking) P69, 1950- S303   Vickers-Armstrong, Barrow, UK 9.1942 5.5.1943 8/1943 // 1.1946 stricken 12.1964
Uthaug (ex-Votary) P29, 1950- S304   Vickers-Armstrong, Tyne, UK 4.1943 21.8.1944 12/1944 // 7.1946 stricken 10.1965


Technical data


Displacement standard, t

545

Displacement normal, t

658 - 662 / 740

Length, m

62.3

Breadth, m

4.90

Draught, m

4.65

No of shafts

2

Machinery

2 Paxman diesel-generators, 2 electric motors

Power, h. p.

615 / 825

Max speed, kts

11.25 / 10

Fuel, t

diesel oil 55

Endurance, nm(kts)4700(10) / 30(9)
Armament

1 x 1 - 76/45 20cwt QF Mk II, 2 x 1 - 20/70 Oerlikon Mk IV, 4 - 533 TT (bow, 8 torpedoes or 6 M2 mines)

Electronic equipment

type 267QW radar, type 129, type 138 sonars

Complement

33

Diving depth operational, m

90



Standard scale images


<i>Utsira</i> 1944
Utsira 1944


Graphics


<i>Utstein</i> 1952
Utstein 1952


Project history

British submarines of V class. One was transferred to Norway before completing, others after war. The further development of "U" class. Bulkheads were welded, thickness of plating of riveted pressure hull is increased, at the expense of what the operational diving depth has increased to 90m. Fuel stowage is increased: part of ballast tanks were used for fuel oil.

Modernizations

1955-1956, all: external streamlining, snorkel and new radar were installed.

Naval service

No significant events.