1 × 76 mm (3 in) Oto Melara Super Rapid (retractable for lower radar cross section, guidance by fire control radar and electro-optical systems), A position
2 × 12.7 mm (0.50 in) Aselsan STAMP Stabilized Machine Gun Platform (guidance by Laser/IR/TV and electro-optical systems, automatic and manual modes), B position
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-classlittoral 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]
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
The class vessels are propelled by a RENKCODAG 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]
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.[44][45]
In 2022, STM proposed the Ada class to the Royal Malaysian Navy for their Littoral Mission Ship (LMS) Batch 2 program.[46] 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.[47]
In Aselsan 2023 annual report was stated that four Ada class were exported to an unnamed Middle Eastern country.[48]
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