|Name||No||Yard No||Builder||Laid down||Launched||Comp||Fate|
|Näcken||Näl||561/383||Kockums, Malmö||11.1972||17.4.1978||25.4.1980||to Denmark 8.2001 (Kronborg)|
|Najad||Naj||562/384||Örlogsvarv Karlskrona||9.1973||6.12.1978||5.12.1980||decommissioned 1999|
|Neptun||Nep||563/385||Kockums, Malmö||3.1974||13.8.1979||26.6.1981||decommissioned 1998|
|Displacement standard, t||980|
|Displacement normal, t||
1030 / 1125
44.0 wl 49.5 oa
|No of shafts||
1 MTU 16V652 MB diesel-generator, 1 ASEA electric motor
|Power, h. p.||
1800 / 1500
|Max speed, kts||
10 / 20
6 - 533 TT (bow, 8 Tp 61B or Tp 613 or mines), 2 - 400 TT (bow, 4 Tp 422 or Tp 431), mines
|Electronic equipment||Terma radar, CSU-83 sonar suite (DBQS-21, FAS-3-1), AR-700-S5 ECM suite, IPDS CCS|
|Diving depth operational, m||300|
Voted 1972, contracted 22.3.1973. Submarines were built jointly by Kockums and Karlskronavarv, Näcken and Neptun were launched by cranes.. They had Kollmorgen periscopes, two decks and 'tear-drop' hull shape. Data Saab IPDS system used two Censor 932 computers to give engine and tactical information. Attack submarines, A14 type.
1988-4/1989, Näcken: AIP propulsion was installed (1030/1300t, 57.5x5.70x4.10m, additionally to main machinery 2 Stirling V4-275 AIP generators, 200hp, endurance submerged can be 14 days)
Näcken was transferred on leasing to Danemark as Kronborg, returned in December 2014 but Swedish navy refused her recommission and she was laid up till scrapping in 2015-2016.
Many thanks to Wolfgang Stöhr for additional information on this page.