F-311 Roald Amundsen

Country:  Norway

Class, [Type]: Nansen, [FF].

Builder: Navantia, Ferrol, Spain.

Launch date: 25 May 2005.

Commission date: 21 May 2007.

Displacement ( tons ): 4.681, 5.121 at full load.

Dimensions ( metres ): 132 x 16,8 x 4,9

Main machinery: CODAG: 2 x Izar Bravo 12-cyl. diesels ( 12.000 hp ), 1 x G.E. LM-2500 gas turbine ( 28.832 hp ).

Speed ( knots ): 27, 18 on diesels.

Range ( miles ): 4.500 at 16 knots.

Complement: 120.

Guns: 1 x 76mm/62 OTO Melara SuperRapid, 4 x 12,7mm.

Missiles:  SSM: 8 x Naval Strike Missile; SAM: 8 x Mk 41VLS (32 x RIM-7P ESSM Sea Sparrow missiles).

Torpedoes: 4 x 324mm tubes for Stingray torpedoes.

Radar: Air search: 1 x Lockheed Martin SPY-1F, 3-D; Navigation: 3 x Decca BridgeMaster ARPA (2 X-band, 1 S-band); 2 x Raytheon SPG-62 (target illuminators).

Sonar: Thales TSM 2633 (MRS 2000) Spherion, hull-mounted, medium frequency; Thales CAPTAS Mk 2(V)1 active/passive towed linear array.

Countermeasures: Decoys: Terma DL-12T infrared, radar and acoustic decoys; LOKI torpedo decoy; ECM/ESM: Condor CS-3701 active/passive suite; EADS COLDS laser countermeasure.

Helicopter: 1 x NH-90.

Callsign: LABA ()

Similar units:

 F310 Fridtjof Nansen
 F312 Otto Sverdrup
 F313 Helge Ingstad
 F314 Thor Heyerdahl