Södermanland class submarine

From Wikipedia, the free encyclopedia

Class overview
Builders: Kockums
Operators: Naval flag of Sweden Swedish Navy
Preceded by: Gotland
Succeeded by: A26
Planned: 2
Completed: 2
Active: HMS Södermanland
HMS Östergötland
General characteristics
Displacement: ~1500 tonnes (Submerged)
Length: 60.5m
Beam: 6.1m
Draft: 5.6m
Propulsion: 2 × Hedemora Diesel-electric engines
2 × Kockums v4-275R Sterling AIP units
Speed: 20 knots Submerged
Complement: 18 Officers
6 Conscripts
Sensors and
processing systems:
FAS
Armament: 6 × 533mm Tubes
3 × 400mm Tubes
Mines

The Swedish Södermanland class of diesel-electric submarines consist of the HMS Södermanland and HMS Östergötland. These two submarines were originally launched as Västergötland class submarines in 1987 and 1990, and have been relaunched as a new class after extensive modernization 2003 and 2004 by Kockums AB. The pressure hull had been cut in two after the sail and a 12 m long new section with an air-independent propulsion system was inserted. It contains a Stirling engine which is coupled to an electric generator and heated by burning diesel fuel with liquid oxygen stored in cryogenic tanks. The AIP system can provide electric energy to extend the submarine's submerged time from days to weeks.

[edit] Units

Ship name Laid down Launched Commissioned Service Status
HMS Södermanland 12 April 1988 21 April 1989 1st Submarine Flotilla Refitted 2003, Active
HMS Östergötland 1988 1989 1st Submarine Flotilla Refitted 2004, Active

[edit] External links