Danuta-class

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File:AlRiyadh 6.jpg
Picture of the Danuta underway in early 1996
Class overview
Builders: DCNS
Operators: Sieuxerrian Navy
Preceded by: Le Guyader-class frigate
Cost: 450,000,000 USD
Built: 1992–
In service: 1996–present
Planned: 45
Building: 8
Completed: 20
Cancelled: 25
Active: 20
General characteristics
Type: Multipurpose stealth frigate
Displacement: 4,500 t
Length: 133 m
Beam: 17 m
Draught: 4.5 m
Propulsion:

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CODAD arrangement of:
4 × Diesel engines generating 9,500kW each
2 × controllable-reversible pitch propellers

2 × rudders
Speed: 27 knots (50 km/h)
Range: 7,500 km @ 17 km/h
Endurance: 60 days
Complement: 15 officers, 130 enlisted + 15 aircrew
Sensors and
processing systems:

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Combat Management and Information Systems:

  • DCNS SENIT
  • SEAO/OPSMER combat decision-making system

Electronic aids to navigation:

  • Tacan, AN/SRN-6

Optronics:

  • 1 × Thales Artemis infra-red alert system
  • 1 × Sagem Vigy MM electro-optical fire control system

Radars:

  • 1 × Héraklès multi-purpose radar
  • 2 × TermaScanter 2001 navigation and helicopter radars

Sonars:

  • 1 × DUBV-28B hull-mounted sonar
  • 1 × DUBV-27 variable depth sonar
  • 1 × DSBV-56A towed array sonar
  • 1 × TUUM-4 underwater telephone

Communications:

  • Link 11
  • Link 14
  • Satellite links: Inmarsat, SYRACUSE 3-A/3-B
Electronic warfare
& decoys:

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Decoys/Counter measures/Jammers:

  • 2 × NETTUNO 4100 ECM electronic jammers
  • 2 × NGDS decoy launchers
  • 1 × CONTRALTO-V torpedo defense system
  • 1 × Thales ARBR 23A radar warning/detector/interceptor
Armament:

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Guns:
1 × Modèle 100 TR
2 × Mle 37 autocannons
2 × MAC-58 12.7mm machine guns Missiles:
4 × 8 cell SYLVER A-50 VLS

8 × MM.40 Block III Exocet
launcher or
8 × Naval Strike Missile
launcher
1 × SMUG AA 12-cell launcher w/ 22 missiles
Torpedoes:

4 × 533mm torpedo launchers for F17 anti-submarine torpedoes
Aircraft carried: 1 medium sized helicopter
Aviation facilities: Helicopter hanger

The Danuta-class is a type of "light frigate" warship designed to meet the needs of the Sieuxerrian Navy to replace the older Le Guyader-class of frigates. It was one of the earliest warships to be purpose produced to reduce RCS as much as possible. It is employed as carrier strike group picket defense, long-range patrols, and as escort for convoys against air, submarine, and surface threats.

Characteristics

Development