The frigates are equipped to fight in all maritime warfare areas, anti-aircraft, at the surface and under water. From 2015, the frigates will be supplemented with NH90 helicopters. This will make the frigates more flexible, also when it comes to participating in national and international operations. The last of five frigates was handed over to the Navy in January 2011. The five frigates are: KNM Fridtjof Nansen, KNM Roald Amundsen, KNM Otto Sverdrup, KNM Helge Ingstad and KNM Thor Heyerdahl.
- Manufacturer: Navantia
- Armament: Evolved Sea Sparrow-missile (ESSM) with Vertical Launcher System (VLS), new sea missiles (NSM), Sting Ray torpedoes, OTO Melara cannon, depth charges
- Dimensions: 134 metres (length) – 16.8 metres (width) – 31 metres (max height) – 7.6 metres (draught)
- Displacement: 5,290 tonnes
- Crew: 120+
- Speed: 26 knots