The Fridtjof Nansen-class frigates are the main surface combatant units of the Royal Norwegian Navy. The ships are named after famous Norwegian explorers, with the lead ship of the class bearing the name of Fridtjof Nansen, the Norwegian scientist, explorer and humanitarian. Six ships were ordered from Spanish shipbuilder Bazan (now Navantia). As of 2011, six ships are in active service. The total projected cost for all six ships is NOK 25.2 billion.


  • Type: Guided Missile Frigate
  • Service Period: 2006-Present
  • Characteristics:
    • Length: 485 feet (147.83 meters)
    • Beam: 55 feet (16.76 meters)
    • Draft: 15 feet (4.57 meters)
    • Displacement: 5,850 tons (Full Load)
  • Crew: 150
  • Propulsion:
    • 2 x Rolls Royce WR-21 gas turbines
    • 2 x BAZAN BRAVO 12V 4.5 MW diesel engines
    • 4 x MTU 396 Serie 12V 1250 KVA diesel generators
    • MAAG gearboxes
    • 1 x Retractable Bow Thruster
    • 2 x shafts
  • Range: 4,500 nautical miles (8,334 kilometers) at 16 knots (29.63 km/h)
  • Speed: 28 knots (51.56 km/h)
  • Sensor Suite:
    • SAMPSON Multifunction AESA S-Band RDF
    • Reutech RSR 210N Air/Sea Surveillance RDF
    • Sagem Vigy 20 Electro Optical Director
    • Kongsberg MSI 2005F ASW Combat System
    • MRS 2000 Hull Mounted ASDIC
    • Captas MK II V1 Active/Passive Towed Array ASDIC
    • Mk.82 Fire Control RDF
  • Countermeasures:
    • Condor CS-3701 ECM/ESM Suite
    • Terma DL-12T Decoy Launcher
    • Loki Torpedo Countermeasures Suite
  • Armament:
    • 1 x QF 4.5"/55-caliber Mk.8B naval gun
    • 2 x 16-cell VLS (fires Garfish and Thunderbolt AAMs, Storm Wind cruise missiles, and VL-Orca ASW Missiles)
    • 2 x 4-cannister SSM Launchers (fires Naval Strike Missiles)
    • 1 x Signaal 30mm Goalkeeper CIWS
    • 2 x 12.75" triple torpedo tubes (fires Sting Ray torpedoes)
    • 4 x Diemaco C14 14.5mm machine guns
    • 2 x Long Range Acoustic Devices
  • Aircraft Carried: 1 x NHIndustries NH90 maritime helicopter
  • Aviation Facilities: Bear trap equipped Flight Deck and Enclosed Hangar

Unit RunEdit

  • KNM Fridtjof Nansen (F310)
  • KNM Roald Amundsen (F311)
  • KNM Otto Sverdrup (F312)
  • KNM Helge Ingstad (F313)
  • KNM Thor Heyerdahl (F314)
  • KNM Børge Ousland (F315)

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