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Fridtjof Nansen-class Frigate

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The air defence frigates KNM Fridtjof Nansen (F310) and KNM Helge Ingstad (F313) docked in Oslo on April 24th, 2010.

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. Five ships were ordered from Spanish shipbuilder Bazan (now Navantia). As of 2011, five ships are in active service. The total projected cost for all five ships is NOK 21 billion.


  • Type: Guided Missile Frigate
  • Service Period: 2006-Present
  • Characteristics
    • Length: 439.63 feet (134 meters)
    • Beam: 55.12 feet (16.8 meters)
    • Draft: 24.93 feet (7.6 meters)
    • Displacement: 5,920 tons
  • Crew: 120 (with accommodations for 146)
  • Range: 4,500 nautical miles (8,334 kilometers)
  • Speed: 30 knots (55.56 km/h)
  • Propulsion:
    • Combined diesel and gas (CODAG)
    • Two BAZAN BRAVO 12V 4.5 MW diesel engines for cruising
    • One GE LM2500+ 29 MW gas turbine for high speed running
    • MAAG gearboxes
    • two shafts driving controllable pitch propellers
    • Bow Thruster Retractable (Electric) 1 MW Brunvoll
    • Diesel Generators
  • Sensor Suite
    • Lockheed Martin AN/SPY-1F 3-D multifunction radar
    • Reutech RSR 210N air/sea surveillance radar
    • Sagem Vigy 20 Electro Optical Director
    • Kongsberg MSI 2005F ASW combat system
    • MRS 2000 hull mounted sonar
    • Captas MK II V1 active/passive towed sonar
    • 2 x Mark 82 fire-control radar
  • Countermeasures
    • Condor CS-3701 ECM/ESM suite
    • Terma DL-12T decoy launcher
    • Loki torpedo countermeasure
  • Armament
    • 1 x 76mm OTO Melara Super Rapid Fire naval gun
    • 1 x 16-cell Mk.41 VLS
    • 8 x Naval Strike Missiles
    • 4 x Torpedo Tubes (firing Stingray torpedoes)
    • 4 x 12.7mm machine guns
    • 1 x 30mm Goalkeeper CIWS
  • Aircraft Carried: 1 x NHIndustries NH-90 maritime helicopter

Unit Run[edit]

  • HNoMS Fridtjof Nansen (F310)
  • HNoMS Roald Amundsen (F311)
  • HNoMS Otto Sverdrup (F312)
  • HNoMS Helge Ingstad (F313)
  • HNoMS Thor Heyerdahl (F314)

See Also[edit]

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