Utsira 1944
| Name | 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 |
|
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, kn |
11.25 / 10 |
|
Fuel, t |
diesel oil 55 |
|
Armament |
4 - 533 TT (bow, 8 torpedoes or 6 ? mines), 1 x 1 - 76/45 QF Mk I HA, 2 x 1 - 20/70 Oerlikon |
|
Sensors |
type 267QW radar, sonars |
|
Complement |
33 |
|
Diving depth operational, m |
90 |
Ship 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, shorkel and new radar were installed.
Naval service: No significant events.
Utstein 1952
? Ivan Gogin, 2010