Sleipner-Class corvette
I think the hull is basically as on Oslo-class frigate.
This is the only information i can fine.
http://en.wikipedia.org/wiki/Sleipner_class_corvette
HNoMS "Horten"
Supplay/reserve frigate!?!
http://www.auksjon.no/BoatView.aspx?BID=57
HNoMS Hitra (SC-497 class submarine chaser)
http://en.wikipedia.org/wiki/HNoMS_Hitra
Bjørgvin class coastal defence ship
http://en.wikipedia.org/wiki/Bj%C3%B8rg ... battleship
HNoMS Olav Tryggvason
http://en.wikipedia.org/wiki/HNoMS_Olav_Tryggvason
Ula Class submarine
Because of their electric batteries and diesel-electric machinery, the Ula-class among the most silent of the world's conventional submarines, and they are very easy to maneuver. Since submarines are small, they are even harder to detect for a potential enemy, and this also makes them ideal for operations in narrow and shallow coastal areas. The NATO exercise Joint Winter in 2004 had HNoMS "Utvær" judged out of the competition, because she "lowered" for many of the enemy ships, including England's flagship, HMS Invincible. "In the Norwegian Navy Ula-class seen as the most cost effective and efficient of all vessels.
Translated by
http://translate.google.com/#auto|en|
had to go to a Chinese page to find the plans of the Ula class
http://www.tech-domain.com/thread-18979-1-9.html
http://en.wikipedia.org/wiki/Ula_class_submarine