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Ships / Frigates / Fridtjof Nansen class

Fridtjof Nansen class

General Facts

  • TYPE
    Frigate

  • ORIGIN
    Norway

  • NICKNAMES
    -

  • DESIGNED
    1997 - 2000

  • DESIGNER
    Izar & Lockheed Martin

  • PRODUCTION
    2003 - 2008

  • PRODUCERS
    Spain - Navantia

  • QUANTITY
    5

  • UNIT COST
    About 640 million USD in 2010

  • CHARACTERISTICS
    All round armament
    Good sensors and systems
    Stealth features
    Expensive

Introduction

The Fridtjof Nansen class is a Norwegian class of frigates built in Spain. They are modern multipurpose frigates with a balanced set of armament and high quality sensors and systems. All five ships are named after Norwegian explorers.

Layout

The design of the Fridtjof Nansen class is based on the Spanish Alvaro de Bazan class. It is a conventional modern frigate with a reduced radar signature design. The main gun and VLS are mounted at the front. The forward superstructure houses the bridge and SPY-1 radar system. The engines and funnel are mounted in the middle and the hanger and helicopter deck are at the rear.

Firepower

Against surface targets the 8 NSM missiles or single 76mm OTO Melara Super Rapid main gun can be used. Protection against aircraft is provided by a Mk 41 VLS with 32 Evolved Sea Sparrow missiles. A 40mm anti-aircaft gun / CIWS can be installed, but is not fitted. Submarines can be engaged by two twin Stingray lightweight torpedo launchers. Four M2HB heavy machine guns are installed for self-defence. A single NH-90 NFH helicopter is carried for utility and anti-submarine warfare duties.

Electronics

The EAGIS combat data system is the main system on the Fridtjof Nansen class and is connected to a SPY-1F radar and various other sensors. A Link 11 system is fitted for information exchange. The sonar system is a combined active/passive array consisting of MRS 2000 and Mk 2 CAPTAS.

Mobility

The main machinery is a CODAG system consisting of a single LM 2500 gas turbine and two Bravo diesel engines. This results in a maximum speed of 26 knots and a 4.500 nm range at 16 knots. A retractable bow thruster adds maneuvrability.

Users

The Fridtjof Nansen class is only used by Norway, which took delivery of 5 vessels. They replaced the older Oslo class and make up the entire Norwegian frigate force.

Variants

Fridtjof Nansen class

The Fridtjof Nansen class is a modern frigate based on the Spanish Alvero de Bazan. It is fitted with a wide range of armament and an EAGIS system. A single NH-90 helicopter can be carried.

TypeFrigate
Crew120 incl 50 officers, plus 26 spare bunks
Displacement5.290 t full load
Length133.2 m
Width16.8 m
Draught4.9 m
Height30 m
Machinery1x LM 2500 gas turbine, 19.2 MW
2x Bravo V12 diesel, 9 MW combined
Propulsion2 shafts
Speed26 kt
Range4.500 nm at 16 kt
SensorsAir search: SPY-1F, E/F-band
Surface search: Litton, E/I-band
Navigation: 2x Litton, I-band
IFF: Mk XII
Sonar: MRS 2000 hull mounted
Mk 2 V1 CAPTAS towed array
SystemsFire control: 2x Mk 82 (SPG-62), I/J-band
Data: EAGIS
Link 11
CountermeasuresTerma DL-12T SKWS decoy launcher
QinetiQ LOKI acoustic decoy
Aircraft1x NH-90 NFH
Cargo-
Remarks-
WeaponsGUN: 1x 76mm Super Rapid
SSM: 8x NSM
SAM: 32x ESSM
TP: 2x2 324mm Stingray
MG: 4x 12.7mm M2HB
Weapon176mm OTO Melara Super Rapid
Single gun on forward deck
Weapon2Naval Strike Missile
Two four round launchers behind sensor mast
Weapon3RIM-162B ESSM
Mk 41 VLS at forward deck
32 rounds ready to fire
Weapon4Stingray 324mm torpedo
Twin double tubes in middle of ship
Weapon512.7mm M2HB heavy machine gun
Four individual pintle mounts
Weapon6-
Weapon7-
Weapon8-

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