Sjöormen 1975
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Sjöormen | Sor | 500 | Kockums, Malmö | 1965 | 25.1.1967 | 31.7.1968 | to Singapore 7.1997 (Centurion) |
| Sjölejonet | Sle | 501 | Kockums, Malmö | 1965 | 29.6.1967 | 16.12.1968 | to Singapore 7.1997 (Conqueror) |
| Sjöbjörnen | Sbj | 364 | Örlogsvarv Karlskrona | 1966 | 9.1.1968 | 28.2.1969 | to Singapore 7.1997 (Challenger) |
| Sjöhunden | Shu | 502 | Kockums, Malmö | 1966 | 21.3.1968 | 25.6.1969 | to Singapore 2.1997 (Chieftain) |
| Sjöhästen | Shä | 365 | Örlogsvarv Karlskrona | 1966 | 6.8.1968 | 15.9.1969 | to Singapore for spares 7.1997 |
|
Displacement standard, t |
|
|
Displacement normal, t |
1125 / 1400 |
|
Length, m |
50.0 wl 50.5 oa |
|
Breadth, m |
6.10 |
|
Draught, m |
5.10 |
|
No of shafts |
1 |
|
Machinery |
2 Hedemora-Pielstick 12PA-4 diesel-generators / 1 ASEA electric motor |
|
Power, h. p. |
2200 / 1500 |
|
Max speed, kts |
15 / 20 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | |
|
Armament |
4 - 533 TT (bow, 10), 2 - 400 TT (bow, 4), mines |
| Electronic equipment | Terma radar, sonar, IBS-A12 CCS |
|
Complement |
23 |
| Diving depth operational, m | 150 |
Project history: Voted in 1961; two decks, bow planes on the sail and X-configured stern planes. 'Teardrop' hull shape, 5-blade propeller. Attack submarines, A11 type.
Modernizations: 1984-1985, Sjöbjörnen: - IBS-A12 CCS; + IBS-A17 CCS
1984-1985, all: sonar became CSU-83
Naval service: No significant events.
Sjöormen 1979
Many thanks to Wolfgang Stöhr for additional information on this page.
© Ivan Gogin, 2015