Gotland-class submarine

HSwMS Gotland
Class overview
BuildersKockums
Operators Swedish Navy
Preceded byVästergötland class
Succeeded byBlekinge class
Built1992–1996
In commission1996–present
Planned3
Completed3
Active3
General characteristics
TypeSubmarine
Displacement
  • Surfaced: 1,494 tonnes (1,470 long tons)
  • Submerged: 1,599 tonnes (1,574 long tons)
Length60.4 m (198 ft 2 in)
Beam6.2 m (20 ft 4 in)
Draft5.6 m (18 ft 4 in)
Propulsion
  • 2 × Diesel-electric MTU engines
  • 2 × Kockums v4-275R Stirling AIP units
Speed
  • Surfaced: 11 knots (20 km/h)
  • Submerged: 20 knots (37 km/h) on batteries; 5 knots (9.3 km/h) on AIP
Complement
  • 18–22 officers
  • 6–10 ratings
Sensors and
processing systems		CSU 90-2 integrated sonar sensor suite
Armament
  • 4 × 533 mm (21.0 in) torpedo tubes
  • 2 × 400 mm (15.7 in) torpedo tubes
  • 48 × Externally mounted naval mines[1]

The Gotland-class submarines of the Swedish Navy are modern diesel-electric submarines, which were designed and built by the Kockums shipyard in Sweden. They are the first submarines in the world to feature a Stirling engine air-independent propulsion (AIP) system, which extends their underwater endurance from a few days to weeks.[2] This capability had previously only been available with nuclear-powered submarines.

  1. ^ "SSK Gotland Class (Type A19), Sweden". naval-technology.com. Retrieved 2017-09-20.
  2. ^ "The Gotland class submarine - submerged several weeks". Kockums. Archived from the original on 2011-04-25. Retrieved 2008-04-06.