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HMS Näcken
Class overview
Builders	Kockums
Operators	list error: <br /> list (help)  Swedish Navy  Royal Danish Navy
Preceded by	Sjöormen
Succeeded by	Västergötland
Planned	3
Completed	3
Laid up	3
General characteristics
Displacement	list error: <br /> list (help) 980 tonnes (960 long tons) surfaced 1,150 tonnes (1,130 long tons) submerged
Length	44 m (144 ft 4 in)
Beam	5.7 m (18 ft 8 in)
Draught	5.5 m (18 ft 1 in)
Propulsion	list error: <br /> list (help) 2 × MTU diesel engines 1 × Jeumont-Schneider electric motor 1 shaft
Speed	list error: <br /> list (help) 20 knots (37 km/h; 23 mph) surfaced 25 knots (46 km/h; 29 mph) submerged
Test depth	150 m (490 ft)
Complement	19 (5 officers)
Sensors and processing systems	FAS
Armament	list error: <br /> list (help) • 6 × 533 mm (21 in) torpedo tubes • 2 × 400 mm (16 in) torpedo tubes • Mines

The Näcken class submarines, also known as the A14 type, were built for the Swedish Navy in the late 1970s. The boats were authorised in 1972 and the programme was completed in 1981. All boats were built by Kockums in Karlskrona. The boats had a teardrop hull and diving depth was 150m. Between 1987 and 1988 the Näcken was converted to Air Independent Propulsion (AIP) using a closed cycle Stirling engine. This technology increased underwater endurance to 14 days and has been adopted in subsequent Swedish submarines.

Ships

References

Notes

1. http://www.marinmuseum.se/Aktuellt/Ubatshallen.aspx

Bibliography

• Conway's All the World's Fighting Ships 1947-1995

External links

• Kockums page
• Danish Naval history page

• Näcken class submarines
• Submarine classes