Preceded by:
Oberon (1961)Succeeded by:
None | |
| Class | Upholder |
| Type | Attack Submarine |
| Year | 1990 |
| Crew | 47 |
| Dimensions | |
| Length | 70.3 m |
| Beam | 7.6 m |
| Draught | 5.5 m |
| Displacement | |
| Empty | 1,870 t |
| Surfaced | 2,220 t |
| Submerged | 2,455 t |
| Performance | |
| Speed | 22 km/h / 37 km/h |
| Range | 14,816 km @ 15 km/h |
| Depth | 260 m |
| Machinery | |
| Shafts | 1 |
| Turbines | 2 x Diesel generator 4,070 hp Paxman Valenta 16RPA 200SZ 1 x Electric motor 6,055 hp GEC |
| Fuel | Oil: 200 t |
| Armament | |
| Torpedo tubes | 6 x 533-mm (2 x 3) |
| AS Weapons | Tigerfish Mk. 24 Mod 2 UGM-84 |
| Armor | |
| Armor | None |
| Sensors | |
| Radar | Type 1007 |
| Sonar | Type 2007 Type 2019 Type 2040 Type 2046 |
| Production | |
| Built | 4 |
| Total | 4 |
| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
|
Upholder | S40 | Vickers | 11/1983 | 02/12/1986 | 09/06/1990 | 29/04/1994 | Transferred | |
|
Unseen | S41 | Cammell Laird | 12/07/1987 | 14/11/1989 | 19/07/1991 | 06/04/1994 | Transferred | |
|
Ursula | S42 | Cammell Laird | 10/01/1989 | 28/02/1991 | 08/05/1992 | 16/10/1994 | Transferred | |
|
Unicorn | S43 | Cammell Laird | 13/03/1990 | 16/04/1992 | 25/06/1993 | 16/10/1994 | Transferred |
| Ship | Code | Former | Code | Comm | Decomm | Fate | |||
 |
Victoria | SSK-876 | |
Unseen | S41 | 02/12/2000 | - | Active | |
|
Windsor | SSK-877 | |
Unicorn | S43 | 29/09/2001 | - | Active | |
|
Corner Brook | SSK-878 | |
Ursula | S42 | 26/06/2003 | - | Active | |
|
Chicoutimi | SSK-879 | |
Upholder | S40 | 03/09/2015 | - | Active |
