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Home» News»A19 Submarine HSwMS Gotland back in Swedish Navy Service Following Upgrade
IMDEX Asia 2023
Gotland submarine. Swedish Armed Forces picture.
Gotland submarine. Swedish Armed Forces picture.

A19 Submarine HSwMS Gotland back in Swedish Navy Service Following Upgrade

First-in-class submarine "Gotland" has been delivered to the Swedish Navy (Svenska Marinen) following a series of platform upgrades including a new AIP system and a combat system similar to the one set to be fitted aboard the next generation A26 submarine.

Martin Manaranche 15 May 2020

The upgrade process entailed many important systems, such as the Stirling air independent propulsion (AIP) system upgraded from Mk2 to the new Mk3, a complete new mast suite by Safran, Kongsberg’s SA9510S sonar and Exelis’ ES-3701 electronic warfare systems as well as new management, sensor and communication systems.

The submarine’s hull was also extend via the addition of a 2 meters section:

The relaunch of HSwMS Uppland took place June 19, 2019. Two of the three Gotland-class submarines have now concluded comprehensive mid-life upgrades (MLU) and are equipped to face the challenges of tomorrow. There is an option for the modernization and upgrade of the third submarine of the class, HSwMS Halland.

According to Saab, the updated version of Gotland and her sister ship Uppland are paving the way for the most modern AIP submarine under production today: the Blekinge-class (A26) which is currently under producation at Saab Kockums facility in Karlskrona, in South Sweden.

More than 20 new systems on-board the new Gotland-class will be implemented in the the state of the art A26, which contributes to their de-risking for the A26. This also gives great training opportunities for the crew when they in the future deploy onboard the A26.

About Gotland-class SSK

HMS Uppland. Saab picture

HSwMS Gotland is the first of a group of 3 Gotland-class submarines. It is a defense submarine of the Swedish Navy. HSwMS Gotland was designed and built by Kockums in Malmö in the early 1990’s and commissioned in 1996.

HSwMS Gotland is a 60.7 meters long submarine with a displacement of 1 380 tons, mainly designed for submarine missions such as antiship/antisubmarine warfare, collecting of intelligence, forward surveillance, special operations, and mine-laying tasks.

Upgraded Gotland-class Main specifications:

  • Length: 62.7m
  • Beam: 6.2m
  • Draft: 5.6m
  • Propulsion: Two diesel-elctric MTU engines; 2 × Kockums v4-275R Stirling AIP units
  • Speed: 11 knots surfaced and 20 knots submerged
  • Crew: 32 maximum
  • Weapons: 4 × 533 mm Torpedo tubes; 2 × 400 mm Torpedo tubes; 48 × Externally Mounted Naval Mines
FMV Gotland-class Kockums Submarine Swedish Navy 2020-05-15
Tags FMV Gotland-class Kockums Submarine Swedish Navy
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Authors

Posted by : Martin Manaranche
Martin Manaranche is based in Brittany, France. He is currently studying International Relations at Lyon III university. Martin conducted an internship at the French Navy's Ecole Navale in Brest and is therefore particularly fond of naval defense issues.

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