Type-24 frigate

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Class overview
Name: Type-24 frigate
Builders: Arthuristan Dynamics
Operators: Commonwealth Navy, Nekulturnyan Navy (formerly)
Preceded by: Archer-class frigate
Succeeded by: Ahriman-class frigate
General characteristics
Type: Frigate
Displacement: 3,200 tonnes
Length: 113.4m
Beam: 13.1m
Draught: 4.5m
Propulsion: 2-shaft CODOG system, 2 x Apollo Motors Super Wayfarer diesel engines (4,500 shp each), 1x Rollers Engineering Olympus TM3 gas turbine
Speed: 28kn
Range: 8,000 kilometres (15 knots)
Troops: Up to 54 marines
Complement: 180
Sensors and
processing systems:

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Mod 1:

  • 1 x Type-968 search radar
  • 2 x Type-910 Sea Wolf directors
  • 1 x SWN-20 navigation radar
  • Type 2016 or 2050 hull-mounted sonar
  • Type 2031 towed sonar
  • Hotview IRST

Mod 2:

  • 1 x Type-996 search radar,
  • 2 x STIR 180 fire control units,
  • 1 x SWN-20 navigation radar
  • Type 2050 Hull-mounted sonar,
  • Type 2031 or 2087 VLF passive tactical towed array sonar
Armament:

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Mod 1:

  • 1 x 4.5 inch gun
  • 2 x 6-shot Sea Wolf launchers (12 manual reloads carried)
  • 8 x ACM-2 Renove
  • 6 x torpedo tubes
  • 4 x 20mm autocannons

Mod 2:

  • 1 x 4.5 inch gun
  • 2 x 21-shot RAM launcher
  • 8 x ACM-2 Renove or ACM-13 Lilith
  • 1 x ASROC launcher (8-shot)
  • 6 x torpedo tubes
  • 4 x 20mm autocannons

Luchnik-class

  • 1 x 100mm gun
  • 8 x MM38 Exocet anti-ship missile
  • 1 x Crotale anti-air missile octuple mount (24x reloads)
  • 1 x six-tube mount for 375mm anti-submarine rockets.\
  • 6 x torpedo tubes
  • 4 x 20mm autocannons
Armour: steel shrapnel sheets, kevlar spall liners
Aircraft carried: 1 x Lynx helicopter

The Type-24 "Ajax-class" is an Arthuristan class of general purpose patrol frigate with an anti-submarine bias, currently the standard workhorse vessel of the Commonwealth Navy. Introduced in the late-70s as an ASW-oriented design, the Type-24 is small, rugged, reliable and very cheap to build, a 'no-frills' ship without many of the luxuries of a modern surface combatant: long range air search radar, area defence missile, vertical launch systems and the like. It is, in short an mass-produceable escort ship which, in a full scale war, would be used as an 'attrition-friendly' asset to protect merchant convoys. At the same time, by virtue of their large hangars, they are capable of supporting a heavy, long ranged ASW helicopter, measurably extending the range at which frigate may prosecute suspected targets. Due to the fact that these ships are often required to operate in littoral zones, many of them are fitted with up to four 20mm autocannons for self-defence against small boats, many of them stripped from older warships, refurbished and reused.

These frigates were no larger than their predecessor, the Archer-class frigate, and measurably cheaper to operate and maintain due to their use of a simple CODOG propulsion scheme, utilising a pair of ordinary commercial diesel engines in most circumstances, as opposed to the Archer's steam turbines. In fact, so simple were they to manufacture that small commercial shipyards were often contracted to construct them. Produced in substantial numbers, these were used to police Arthurista's exclusive economic zone and escort convoys of merchant ships, freeing up larger and more capable vessels for the high sea task forces of the Commonwealth Navy.

Like its predecessor, the Type-24 was primarily intended for operation in the North Thalassan Ocean. As such, it is adapted to operate in a hostile environment in which storm tides and sea ice are constant problems. The forecastle is shaped such that the fore armaments and bridge remain dry, even in very turbulent seas, and can accumulate sea ice on deck weighing tens of metric tons without affecting its stability.

The Mod 2 upgrade of the 1990's introduced certain improvements, such as an enhanced air and sea search radar, the substitution of Sea Wolf with RAM, and an enhanced sonar suite. Some remain in service with the Commonwealth Navy.

Luchnik-class

The Luchnik-class frigate was a surface combatant in service with the Imperial Nekulturnyan Navy. It was developed with Arthuristan assistance to supplement the Admiral Chekov-class destroyer. In service from 1977, and with a production run exceeding ten years, it was the most numerous class of surface warship in Nekulturnyan service. Large numbers were lost at the Battle of Bezirk Point in 1996 during the Great Northern War.

The Luchnik shares the same hull and machinery, and largely the same sensors and electronics, as its Arthuristan counterpart. It differed from the Type-24 mainly in its use of non-Arthuristan, mostly Vannoisian, weapons, including a 100mm turret, the Exocet anti-ship missile, Crotale anti-air missile, and a six-tube mount for 375mm anti-submarine rockets.