Istanbul-class frigate

The Istanbuls have the guns, self protection and anti-submarine warfare systems of the Ada-class. but with twice the number of anti-ship missiles Its steel cutting ceremony was attended by Turkish Defence Minister Fikri Işık and senior military officers, including Admiral Bülent Bostanoğlu, Commander of the Turkish Naval Forces. Construction took six years and the vessel was commissioned into service on 19 January 2024. Sensors and systems Combat operations are managed by the network-centric ADVENT Combat Management System (CMS). A 16-cell MiDLAS vertical launching system (National Vertical Launching System) installed for different types of missiles. The VLS can launch HİSAR-D RF and SIPER Block-1 surface-to-air missiles, Atmaca anti-ship missiles. The ship class uses a 76 mm bow-mounted main gun. The first ship Istanbul installed with Italian made 76 mm/62-caliber Super Rapid gun, when later ships are installed with a Turkish-made MKE 76 mm/62-caliber gun. The CIWS has a fire rate of 1100 rounds per minute with an effective range of 4 km against fast targets including sea skimming anti-ship missile. The CIWS fires 35×228 mm Aselsan ATOM 35mm airburst round and high-explosive incendiary (HEI) ammunition. This plant includes one General Electric LM2500 gas turbine and two MTU diesel engines, which drive two propellers. ==History and background==

strait, during the naval parade for celebrating the centennial of the Turkish Republic, 29 October 2023. The Istanbul class has its origins in the Turkish MILGEM project for developing national warships and warship building industry. The program calls for the construction of a warship family in three classes, where all vessels would be designed with high degree of commonality. The first product of the project emerged as the Ada-class anti-submarine/patrol corvette. The Istanbul class, originally known as the TF-100 class under the MILGEM-G designation, belongs to the second development phase, where the structure of the Ada class corvette is extended to host multi-role capabilities. ==Export==

It was stated in Aselsan's 2023 Annual Report that the Istanbul-class frigate was exported to an unnamed Middle Eastern country. Indonesian shipyard PAL Indonesia signed a memorandum of understanding with TAIS Shipyards on procuring the Istanbul-class frigate in June 2025. Minister of Defense of Indonesia, Sjafrie Sjamsoeddin, signed the procurement contract for two frigates on 26 July 2025. On 19 January 2026, during the DIMDEX 2026 expo in Doha, Qatar, TAIS Shipyards signed a US$1 billion agreement with Barzan Holdings of Qatar to supply TCG İzmir and İçel to the Indonesian Navy. Barzan Holdings will provide the loan to Indonesia for the acquisition of the frigates. Turkish media Defence Turk claimed that the export agreement is yet to be confirmed as there are issues which are "under negotiation". ==Ships in the class==