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VÄSTERGÖTLAND submarines (1987-1990)


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Östergötland 2001

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Västergötland Vgd 589/413 Kockums, Malmö + Karlskronavarvet, Karlskrona 10.1.1983 17.9.1986 27.11.1987 stricken 12.2005, to Singapore (Swordsman)
Hälsingland Hgd 590/414 Kockums, Malmö + Karlskronavarvet, Karlskrona 1.1.1984 31.8.1987 20.10.1988 stricken 12.2005, to Singapore (Archer)
Södermanland Söd 591/415 Kockums, Malmö + Karlskronavarvet, Karlskrona 2.2.1985 12.4.1988 21.4.1989 in service (2019)
Östergötland Ögd 592/416 Kockums, Malmö + Karlskronavarvet, Karlskrona 15.10.1985 9.12.1988 10.1.1990 in service (2019)


Technical data


Displacement standard, t990
Displacement normal, t

1070 / 1143

Length, m

48.5

Breadth, m

6.06

Draught, m

5.60

No of shafts

1

Machinery

2 Hedemora V12A/15-Ub diesel-generators, 1 ASEA electric motor

Power, h. p.

2160 / 1800

Max speed, kts

11 / 20

Fuel, t

diesel oil

Endurance, nm(kts) 
Armament

6 - 533 TT (bow, 12 Tp 61B or Tp 613 or Tp 62), 3 - 400 TT (bow, 6 Tp 422 or Tp 45), 22 mines

Electronic equipmentTerma radar, CSU-83 sonar suite (DBQS-21, FAS-3-1, towed array), AR-700-S5 ECM suite, SESUB 900A CCS
Complement

20

Diving depth operational, m300


Standard scale images


<i>Västergötland </i>1990
Västergötland 1990


Graphics


<i>Östergötland</i> 2001
Östergötland 2001
<i>Södermanland </i>2006 <i>Many thanks to Wolfgang Stöhr for additional information on this page.</i>
Södermanland 2006 Many thanks to Wolfgang Stöhr for additional information on this page.


Project history

Type A 17 attack submarines. Replacements for Draken class. Designed by Kockums, Malmo, and ordered in 1981, with Kockums building the mid-section of the hulls and Karlskronavarvet building the bows and sterns. All TT are bow-mounted, with the six 533mm tubes above the three 400mm tubes. Can carry up to 22 mines in externally-mounted containers. Plans to equip these boats with four SSM vertical launch rubes in the sail have been abandoned. Anechoic hull coating.

Modernizations 7.

2004, Södermanland; 1.2005, Östergötland: modernized with Stirling AIP system (1500/1600t, 60.5x6.10x5.60m,  additionally to main machinery 2 Stirling Mk 3 AIP generators, 200hp, endurance submerged can be 19 days, complement 28); - AR-700-S5 ECM suite; + Subac sonar, CS-3701 ECM suite

2009, Södermanland; 2010, Östergötland: - SESUB 900A CCS; + SESUB 960A CCS

Naval service

No significant events.