Ada-class corvette

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File:TCG Burgazada (F-513).jpg
TCG Burgazada during a Turkish-American naval exercise in the Mediterranean Sea, 26 August 2020
Class overview
NameAda class
Builders
Operators
Preceded byBurak class
SubclassesBabur class
Built2005–present
In service2011–present
Planned14
Completed6
Active6
General characteristics
TypeCorvette
Displacement2,400 tonnes
Length99.56 m (326 ft 8 in)
Beam14.40 m (47 ft 3 in)
Draft3.90 m (12 ft 10 in)
Installed power
  • Main: 31,640 kW (42,430 hp) RENK CODAG
  • Auxiliary: 4 x 588 kW (789 hp)
Propulsion1 gas turbine, 2 diesels, 2 shafts
Speed
  • Economy: 15 kn (28 km/h; 17 mph)
  • Maximum: 30 kn (56 km/h; 35 mph)
Range3,500 nmi (6,500 km; 4,000 mi) at 15 kn (28 km/h; 17 mph)
Endurance
  • 21 days with logistic support
  • 10 days autonomous
Boats & landing
craft carried		2 x RHIB
Complement93 including aviation officers, with accommodation up to 106
Sensors &
processing systems
  • Combat management system: G-MSYS (GENESIS MİLGEM Savaş Yönetim Sistemi)
  • Search radar: SMART-S Mk2[1]
  • Weapon control: STING EO Mk2
  • Sonar: TBT-01 Yakamoz
  • Communication: SatCom, GPS, LAN, ECDIS/WECDIS, Link 11/16
  • Navigation: ECPINS-W, ALPER LPI
  • Integrated platform management system: UniMACS 3000
  • Others: X-Band radar, Fire control radar
Electronic warfare
& decoys
  • SIGINT: ARES-2N[2]
  • Others: Laser/RF systems, ASW jammers, DG, SSTD
Armament
Aircraft carried
Aviation facilitiesCapability of storing armaments, 20 tons of JP-5 aircraft fuel, aerial refueling (HIRF) and maintenance systems

The Ada-class is a class of anti-submarine warfare corvettes developed primarily for the Turkish Navy during the first stage of the MILGEM project. The Turkish Navy has commissioned all four Ada-class corvettes.

TCG Ufuk (A-591) SIGINT ship and Hisar-class OPVs are variants of the Ada-class corvette that use the same hull and superstructure design but feature different types of systems, armament and equipment.

Development

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The Ada-class was engineered for the purpose of building a national corvette with anti-submarine warfare and high-seas patrol capabilities, while using the principles of low observability in its materials and design.[3] The design concept and mission profile of the Ada-class corvette bears similarities to the Freedom-class littoral combat ship of the U.S. Navy. The Ada-class corvettes are more heavily armed and are equipped with more capable radar and sonar systems, while the Freedom-class has a higher speed and variable mission modules.[4]

According to the Ada-class acquisition model, Turkey's Undersecretariat for Defense Industries (SSM) signed R&D contracts for two prototype ships considered to be testing platforms. Thus, being an open-end project, first and second ships of the class were expected to be slightly different in terms of vessel design and system configuration. The subsequent vessels, scheduled to be built by private shipyards, would have a more optimized design and configuration.[5]

All four ships of the series, TCG Heybeliada, TCG Büyükada, TCG Burgazada and TCG Kınalıada were built by the Istanbul Naval Shipyard. The construction works of the lead ship, TCG Heybeliada commenced on 26 July 2005. TCG Heybeliada was launched with a ceremony attended by Prime Minister of Turkey Recep Tayyip Erdoğan on 27 September 2008. On 2 November 2010, Heybeliada initiated sea acceptance trials in the Sea of Marmara.[6][7] Heybeliada entered navy service on 27 September 2011.[8] Cost of the TCG Heybeliada was reported around US$260 million.[9]

The production of the second ship of the class, TCG Büyükada, commenced on 27 September 2008. Büyükada was expected to incorporate weapon systems with notable performance, such as the ASELSAN air-search radar. Büyükada was launched on 27 September 2011 and underwent sea acceptance trials before it was officially commissioned on 27 September 2013. In September 2013, then Prime Minister Recep Tayyip Erdoğan announced that the Ada class was to be temporarily put on hold after the completion of the first two corvettes by the Istanbul Naval Shipyard, and that the bid won by RMK Marine to build six more corvettes was canceled. Motives behind this decision was reported other shipbuilders complaining about the bidding process. He added that a new bidding process would take place.[10] Construction of TCG Burgazada commenced on 17 December 2014. The ship was launched in June 2016 and commissioned on 4 November 2018.[11] Turkish Naval Forces Command (TNFC) received its fourth and last Ada-class corvette, TCG Kinaliada (F-514) on 29 September 2019, in the commissioning ceremony held at the Istanbul Naval Shipyard.[12]

On 4 November 2019, the Defense Industries Administration (SSB) of Turkey announced that Turkey's ASW corvette TCG Kinaliada, successfully test-fired Atmaca anti-ship cruise missile. Turkish Navy plans to replace the inventory of Harpoon ASM by 2022.[13]

Characteristics

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The class vessels are propelled by a RENK CODAG cross-connect propulsion plant. It consists of a gas turbine rated at 23,000 kilowatts (31,000 hp) and two diesel engines rated at 4,320 kW (5,790 hp). Each diesel engine drives one controllable pitch propeller via a two-speed main reduction gear. The cross-connect gear splits the power from the gas turbine via both main reduction gears to the two shafts. The ship can be operated in diesel mode, in single gas turbine mode or in CODAG mode. CODAG is where diesel and gas turbine engines are providing combined power (27,320 kW).

GENESIS (Gemi Entegre Savaş İdare Sistemi, i.e., Ship Integrated Combat Management System), a network-centric warfare management system developed by HAVELSAN and initially used in the upgraded G-class frigates of the Turkish Navy, was contracted for the first two corvettes on 23 May 2007.[14][15] In the last Ada-class corvette, Kınalıada, the ADVENT combat management system (an upgraded version of GENESIS) is installed instead of GENESIS system. It is also planned for Burgazada to be retrofitted with the ADVENT combat management system.[16] The class ships have a national hull mounted sonar developed by the Scientific and Technological Research Council of Turkey.[17] The sonar dome has been developed by STM's subcontractor ONUK-BG Defence Systems, extensively employing nano-enhanced Fiber Reinforced Polymer.[18] The Ada class features an Electronic Chart Precise Integrated Navigation System (ECPINS), supplied by OSI Geospatial.[19] Integrated Platform Management System (IPMS) for controlling machinery, auxiliary systems, power generation and distribution was delivered by STM's subcontractor Yaltes JV. Main systems integrated to IPMS are power management system, fire detection system, fire fighting, damage control system, CCTV system and stability control system.[20]

Naming

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"Ada" means island in Turkish. Each individual ship of the class is named for a Turkish island, in particular the Prince Islands in the Sea of Marmara to the southeast of Istanbul. The lead ship of the class, TCG Heybeliada, is named after Heybeliada island, where the Turkish Naval High School is located.

Ships in the class

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TurkeyTurkey - Turkish Navy

Pennant number Name Namesake Builder Laid down Launched Commissioned Status
F-511 Heybeliada Heybeliada Istanbul Naval Shipyard 26 July 2005 27 September 2008 27 September 2011 Active
F-512 Büyükada Büyükada Istanbul Naval Shipyard 27 September 2008 27 September 2011 27 September 2013 Active
F-513 Burgazada Burgazada Istanbul Naval Shipyard 17 December 2014 21 June 2016 4 November 2018 Active
F-514 Kınalıada Kinaliada Istanbul Naval Shipyard 8 October 2015[21] 3 July 2017 29 September 2019 Active
A-591 Ufuk[22] Horizon Istanbul Naval Shipyard 9 February 2017 9 February 2019 14 January 2022 Active

PakistanPakistan - Pakistan Navy

Main article: Babur-class corvette
Pennant number Name Laid down Launched Commissioned Status
Istanbul Naval Shipyard (INSY)
F280 Babur 4 June 2020[23] 15 August 2021[24] 23 September 2023[25] Active
F282 Khaibar 1 May 2021[26] 25 November 2022[27] Launched
Karachi Shipyard & Engineering Works (KSEW)
F281 Badr 25 October 2020[28] 20 May 2022[29] Launched
F283 Tariq 5 November 2021[30] 2 August 2023[31] Launched

UkraineUkraine - Ukrainian Navy

Pennant number Name Namesake Builder Laid down Launched Commissioned Status
Istanbul Naval Shipyard (INSY)
F211 [32] Hetman Ivan Mazepa[33] Ivan Mazepa STM 7 September 2021[34] 2 October 2022[35] Sea trials[36]
F212 Hetman Ivan Vyhovskyi[37] Ivan Vyhovskyi STM 18 August 2023[38] 1 August 2024[39] Launched

MalaysiaMalaysia - Royal Malaysian Navy

Main article: Littoral Mission Ship Batch 2 (Malaysia)
Pennant number Name Builder Laid down Launched Commissioned Status
STM
TBD TBD STM
TBD TBD STM
TBD TBD STM

Export

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In 2018, Pakistan contracted ASFAT for the construction of Ada class for Pakistan Navy. This deal includes transfer of technology to Pakistan.[40]

The Ukrainian Ministry of Defense has ordered two corvettes for Ukrainian Navy with construction to be performed jointly by the Turkish STM and Ukrainian shipyard.[41][42] Under the deal, the first vessel will be delivered to Ukraine by the end of 2023 unfinished, to then be completed in Ukraine.[43] The deal was signed in December 2020 worth $256 million.[41][44]

In 2022, STM proposed the Ada class to the Royal Malaysian Navy for their Littoral Mission Ship (LMS) Batch 2 program.[45] In June 2024, Malaysia officially placed an order for three ships. The corvettes will be armed with a 76 mm naval gun, Aselsan SMASH 30 mm gun, four quad pack vertical launching systems for a total of 16 surface-to-air missiles (probably K-SAAM) and eight Atmaca anti-ship missiles on each ship.[46]

In Aselsan 2023 annual report was stated that four Ada class were exported to an unnamed Middle Eastern country.[47]

See also

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References

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  1. ^ Turkish Navy purchases Thales sensors Archived 7 January 2022 at the Wayback Machine, Defense Aerospace, 19 December 2007
  2. ^ ARES-2N (Turkey), Naval Signals Intelligence (SIGINT), electronic support and threat-warning systems, Jane's Radar And Electronic Warfare Systems, 3 February 2011
  3. ^ Patrol and Anti-Submarine Warfare Ship (MILGEM- Milli Gemi – National Ship) Project, SSM, Turkey
  4. ^ Milgem Class Multimission Corvettes, Turkey, Naval Technology, Retrieved 6 December 2010
  5. ^ Acquisition of Design Services and Platform Construction and Outfitting Equipment for MILGEM Project Prototype Ship and Second Ship, SSM, Turkey, Retrieved 6 December 2010
  6. ^ (in Turkish) Newsletter about TCG Heybeliada Archived 4 March 2012 at the Wayback Machine, Turkish Navy, 12 November 2010
  7. ^ First Turkish MILGEM begins sea trials, Richard Scott, IHS Jane's, 22 November 2010
  8. ^ (in Turkish) Newsletter about TCG Heybeliada Archived 28 January 2012 at the Wayback Machine, Turkish Navy, 27 September 2011
  9. ^ Turkiyenin urettigi ilk savas gemisi Heybeliada seyirde, Umit Kozan, 12 November 2010
  10. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  11. ^ Turkish Navy commissions third Milgem corvette TCG Burgazada, Naval Today, 5 November 2018
  12. ^ Turkish Navy receives fourth and last Milgem corvette, Janes Group UK, 1 October 2019
  13. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  14. ^ MILGEM Project, GENESIS Combat Management System Archived 24 April 2009 at the Wayback Machine, Havelsan, Retrieved 6 December 2010
  15. ^ Havelsan advances MILGEM integration, Jane's IDEX 2011 exhibition news, Retrieved 25 February 2011
  16. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  17. ^ Indigenous Sonar Wet-End System Production and Integration Project, SSM, Turkey
  18. ^ MİLGEM Corvette Sonar Dome Archived 17 January 2012 at the Wayback Machine, Onuk-BG Defence Systems, Turkey
  19. ^ OSI Geospatial Selected by the Turkish Navy to Provide W-ECPINS for the MILGEM Corvette New Build Program Archived 15 March 2012 at the Wayback Machine, OSI Geospatial News Release, 4 June 2009
  20. ^ YALTES MILGEM IPMS Project Archived 12 December 2019 at the Wayback Machine, Yaltes JV, Retrieved 6 December 2010
  21. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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