HSwMS Uppland (Upd)

HSwMS Uppland (Upd) is a submarine in the Swedish Navy. It is the second submarine in the Gotland-class. The motto of HSwMS Uppland is "Prudencia Et Audacia" which translates into "Prudence And Boldness".

HSwMS Uppland in 2009
History
Sweden
NameUppland
BuilderKockums
Laid down21 October 1994
Launched9 February 1996
CommissionedOctober 1997
HomeportKarlskrona, Sweden
IdentificationMMSI number: 266114000
MottoPrudentia et audacia
StatusActive in service
Badge
General characteristics
Class and typeGotland-class submarine
Displacement1526 tons standard, 1647 tons submerged
Length60.4 m (198 ft 2 in)
Beam6.2 m (20 ft 4 in)
Draught5.6 m (18 ft 4 in)
Propulsion
  • 2 × 1,300 bhp (970 kW) diesel engines
  • 2 × 75 kW Stirling engines
  • 1 × 1,800 shp (1,300 kW) electric motor , one shaft
Speed
  • 10 kn (19 km/h) surfaced
  • 20 kn (37 km/h) submerged
Enduranceover 14 days submerged without snorkeling
Test depth500 ft (150 m)
Complement20 officers, 15 enlisted
Armament
  • 4 × 533 mm (21.0 in) torpedo tubes with 12 torpedoes
  • 2 × 400 mm (16 in) torpedo tubes with 6 torpedoes
  • 48 external mines

Mid-life upgrade

In 2020, HSwMS Uppland underwent a mid-life update. During the upgrade, a number of systems that will be used in the next generation submarines, the Blekinge-class (A26), were installed. More than 20 new systems on board the new Gotland-class was implemented, which contributes to their de-risking for the A26. This also offers training opportunities for the crew when they deploy the A26 in the future.

The upgrade process included many new systems, such as the Stirling AIP, a completely new mast suite, sonars and sensors as well as management and communication systems. In order to accommodate all systems, the submarine has extended to 62 m and gained another 200 tons in weight. In the process HSwMS Uppland reached a displacement (surfaced) of 1580 tons.

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