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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

Graphics

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.