G-class frigate

G-class frigate 0G-class frigate 1G-class frigate 2

Basic information

Type:
Country of build:
Planned:
8
Completed:
8
In service:
1997 – present (25 years)

Ship measurements

Displacement:
4,166 t
Length:
135.6 m
Beam:
13.7 m
Draft:
6.7 m

Machine

Propulsion system:
Propulsion:
  • 2 * GE LM 2500 gas turbines, 41,000 hp (31 MW)
  • 1 * propeller and 2 * bow thrusters
Speed:
30 knots
Range:
5,000 nmi (9,300 km) at 18 kn (33 km/h)

Personnel

Complement:
222

Combat assets

Electronics:
  • AN/SPS-49 Air Search Radar
  • AN/SPS-55 Surface Search Radar
  • Mk.92 Missile Fire Control System
  • AN/SLQ-32 Electronic Warfare System
  • AN/SQS-56 Sonar
  • Mk.36 SRBOC Decoy System
  • AN/SQR-19 Towed Array Sonar System
  • AN/SQQ-89 ASW Integration System
  • AN/SLQ-25 Nixie Torpedo Decoy System
Armament:
  • 1 * Mk.13 Mod.4 single-arm missile launcher for
  • 36 * RIM-66 Standard / SM-1MR SAM missiles and 4 * RGM-84 Harpoon SSM
  • 1 * Mk.75 (3"/62 — 76mm/62caliber) rapid firing gun
  • 1 * Mk.15 Phalanx close-in weapon system (CIWS)
  • 2 * Mk.32 (12.75"/324mm) triple torpedo tubes for 6 * Mk.46 torpedos
Aircraft:
  • 2 * AB-212 ASW or S-70B Seahawk helicopters

The G-class is one of the frigate classes of the Turkish Navy. They are extensively modernized versions of ex-Oliver Hazard Perry-class guided-missile frigates of the US Navy, mainly designed for air defense with a weapons configuration that is optimized for general warfare.

The G-class frigates have undergone a major modernization program which included the retrofitting of a Turkish digital combat management system named GENESIS (Gemi Entegre Savaş İdare Sistemi). The system was designed and implemented jointly by the Turkish Navy and HAVELSAN, a Turkish electronic hardware systems and software company. The first GENESIS upgraded ship was delivered in 2007, and the last delivery is scheduled for 2011.

The GENESIS advanced combat management system includes the following characteristics and abilities:

  • A modern and reliable system
  • High performance
  • Open architecture
  • Capacity of tracking more than 1,000 tactical targets
  • Modern digital sensor data fusion
  • Automatic threat evaluation
  • Weapon engagement opportunities
  • Link-16/22 system integration

The modernization program also includes:

  • The addition of an 8-cell Mk-41 VLS for Evolved Sea Sparrow, including the upgrade of the Mk-92 fire control system by Lockheed Martin
  • The retrofitting of a new advanced SMART-S Mk2 3D air search radar to replace AN/SPS-49
  • The addition of a new long range sonar

The Mk-41 VLS will be fitted in front of the Mk.13 launchers, similar to their installation on the Adelaide-class frigates of the Royal Australian Navy, which are Australian-built derivatives of the Oliver Hazard Perry-class frigates. TCG Gediz became the first ship in the class to receive the Mk 41 VLS installation.

The «short hull» ex-Perry class frigates that are currently being operated by the Turkish Navy were modified with the ASIST landing platform system at the Istanbul Naval Shipyard, so that they can accommodate the S-70B Seahawk helicopter.

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