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İstif-class frigate

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TCGIstanbul(F-515) at theBosporusstrait, during the naval parade for celebrating the centennial of the Turkish Republic, October 29, 2023.
Class overview
NameIstifclass
BuildersIstanbul Naval Shipyard
OperatorsTurkish Naval Forces
Preceded byBarbarosclass
Built2017–present
In commission2024-present
Planned8[2][3]
Building5
Completed1[1]
Active1
General characteristics
TypeMultirolefrigate
Displacement3,100 tonnes
Length113.2 m (371 ft 5 in)
Beam14.40 m (47 ft 3 in)
Draft4.05 m (13 ft 3 in)
Installed power4 x 560kw Generator[4]
Propulsion
  • 1 x LM2500 Gas turbine[4]
  • 2 x 5.766HP MTU Diesel Machine[4]
  • 2 x Controllable Pitch Propeller (CPP)[4]
Speed
  • Economy:14 kn (26 km/h; 16 mph)
  • Maximum:29 kn (54 km/h; 33 mph)
Range5.700 nmi (10.556 km; 6.559 mi) at 14 kn (26 km/h; 16 mph)[4]
Boats & landing
craft carried		2 xRHIB
Complement123[4]
Sensors and
processing systems
  • Radars:Cenk-400N 4D AESA search radar, ASELSAN ALPER-200N LPI Surface Radar, AKREP-300N (AKR-D Block B-1/2) Fire Control Radar,[5]
  • Systems:TAKS-100/76GFCS main gun fire control system, ATMACA 100/AFCS anti-ship missile fire control system, HİSAR 100N/FCS air defence missile fire control system, KULAÇ Sounder system, DEMES meteorological measurement system, AHTAPOT-100 Electro-optical director, PIRI-100 IRST, ANS 510-M gyro system,[6]LIAS 200-N Advanced Laser Warning Receiver System,[4]Infrared Trace Management System,[4]SeaEye-AHTAPOT EO Reconnaissance and Surveillance system[5]
  • Sonar:FERSAH 100N/MF hull mounted sonar[5]
  • Communications:SATCOM, Link 11/16, Link 22 Local Area Network, Internal Communication System, Underwater phone[4][7]
  • Combat Systems:ADVENT Combat Management system,[4]GEMS Integrated combat system, IdentIFF M5 TPX & I/LR IFF system, AcroSAT Ku-120-M Satellite combat system, AcroSAT Ku-150-M Satellite combat system[8]
Electronic warfare
& decoys
  • ESM:ASELSAN ARES 2N/NGE[9]
  • ECM:AREAS 2NC/E[9]
  • ARES-NEWS Central management system
  • Decoy:Aselsan HIZIR Torpedo countermeasures system[9]
  • KARTACA-N Decoy ejection system[12]
Armament
Aircraft carried

TheIstif-class frigatesare a group of eight[3]multirolefrigatescurrently being constructed for theTurkish Naval Forces.[13]Developed under theMILGEMnational warship program as theI-class frigate,theIstanbulclass is an enlarged version of theAda-classanti-submarine corvette, with enhanced endurance and MIDLAS Vertical Launching System(VLS)for multi-role capability.[9]On 19 January 2017, Turkish Navy held a ceremonial steel cut for thelead shipTCGIstanbul(F 515).[14]Istanbulwaslaid downon 3 July 2017 andlaunchedon 23 January 2021.[15][9]

History and background

[edit]
TCGIstanbul(F-515)

TheIstifclass has its origins in the TurkishMILGEM projectfor 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 ofcommonality.First product of the project emerged asAda-class anti-submarine/patrol corvette.TheIstanbulclass, originally known as the TF-100 class under MILGEM-G designation, belongs to the second development phase, where structure of the Ada class vessel is extended to host multi-role capabilities.

Design

[edit]
Model of TCGIstanbul(F-515)

TheIstifclass[16]is an enlarged variant of the Ada class and will feature a slightly larger hull for improved endurance. In addition to retaining the guns, self protection andanti-submarine warfaresystems of the Ada class,[17]theIstifclass will have twice the number of anti-ship missiles[17]and will be equipped with the indigenous MDASvertical launching system,[9]capable of firingHISARand other missiles, along with other systems for improved multi-role combat capabilities. The experience and technological know-how gained with theIstanbulclass will play an important role in determining the design characteristics and the development process of the TF-2000-class destroyers, as well as the selection of the systems and equipment which will be used on these significantly larger and more capable warships.

The first ship of the class, TCGIstanbul,was laid down on 19 January 2017. The fifth and largest modernwarshipto be both indigenously designed and built in Turkey, it is claimed that at least 75% of its systems will be of indigenous manufacture.[18]Its steel cutting ceremony was attended by Turkish Defence MinisterFikri Işıkand 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.[19][20]

Export

[edit]

It was stated inAselsan2023 Annual report that İstif class frigate was exported to an unnamed Middle Eastern country.[21]

Ships in the class

[edit]
Pennant no. Name Namesake Builder Launched Commissioned Status Note
F-515 TCGIstanbul Istanbul Istanbul Naval Shipyard 23 January 2021 19 January 2024 In service [22]
F-516 TCGİzmir Izmir Anadolu Shipyard Planned Under Construction[14]
F-517 TCGİzmit İzmit Sedef Shipyard Planned Under Construction[15]
F-518 TCGİçel İçel Sefine Shipyard Planned Under Construction[15]
F-519 Fifth ship N/A Anadolu Shipyard Planned Under Construction[23]
F-520 Sixth ship N/A Sedef Shipyard Planned Under Construction[24]
F-521 Seventh ship N/A Planned [25]
F-522 Eight ship N/A Planned

See also

[edit]

References

[edit]
  1. ^@defencehublive (31 December 2020)."Better quality👇"(Tweet) – viaTwitter.
  2. ^https://www.defenceturk.net/yerli-ucak-gemimizin-tasarim-asamasi-basliyor
  3. ^abKate Tringham (5 January 2024)."Turkey approves plans for aircraft carrier, additional Istanbul-class frigates".www.janes.com.Janes.
  4. ^abcdefghijklmnophttps://www.savunmasanayist.com/milgem-i-sinifi-firkateyn/
  5. ^abchttps://www.navalnews.com/naval-news/2021/01/turkey-launches-the-lead-ship-of-i-class-frigates-istanbul/
  6. ^https://x.com/aselsan/status/1798304860083028132
  7. ^https://www.defenceturk.net/istanbul-firkateyni-envantere-girmeye-hazirlaniyor
  8. ^https://x.com/aselsan/status/1798304860083028132
  9. ^abcdefg"Turkey Launches The Lead Ship Of I-Class Frigates" Istanbul "".Naval News. 23 January 2021.Retrieved25 January2021.
  10. ^https://www.savunmasanayist.com/ssbden-sapan-hava-savunma-fuzesi-mujdesi/
  11. ^https://x.com/aselsan/status/1798304860083028132
  12. ^https://x.com/aselsan/status/1798304860083028132
  13. ^"Turkish MoD Orders Final 3 I-Class Frigates From Private Shipyards".Naval News. 24 January 2023.Retrieved25 January2021.
  14. ^ab"İlk milli fırkateynin yapımına başlandı"(in Turkish).TRT Haber.19 January 2017.Retrieved1 February2017.
  15. ^abc"KINALIADA Korveti Denize İndirme ve İSTANBUL Fırkateyni İnşa Başlangıç Töreni"(Press release) (in Turkish). Turkish Naval Forces. 3 July 2017. Archived fromthe originalon 16 May 2018.Retrieved3 July2017.
  16. ^"Turkish Navy set to build its own frigate".Hürriyet Daily News.21 December 2012.Retrieved1 February2017.
  17. ^abKhan, Bilal (19 January 2017)."Turkey Begins Building First Istanbul Class Frigate".Quwa.org.Retrieved1 February2017.
  18. ^"Turkey begins construction of first national frigate 'Istanbul'".19 January 2017.Retrieved1 February2017.
  19. ^"MİLGEM: İ (İstif) Sınıfı Fırkateyn".10 May 2019.
  20. ^Sabah, Daily (19 January 2024)."Türkiye delivers new ships, sea drone in fresh bolster for navy".Daily Sabah.Retrieved21 January2024.
  21. ^"️ İsmi belirtilmeyen bir Orta Doğu ülkesine İ (İSTİF) sınıfı fırkateyn ihraç edildi. Aynı zamanda yine ismi belirsiz bir Orta Doğu ülkesine dört adet MİLGEM sınıfı korvet ihracatı gerçekleştirildi. — ASELSAN 2023 Faaliyet Raporu".gdh.digital(in Turkish).Retrieved8 July2024.
  22. ^"Türk Donanması'na dört yeni gemi teslim edildi".www.aa.com.tr.Retrieved19 January2024.
  23. ^"Türk Loydu ve Anadolu Tersanesi'nden LTC anlaşması".Deniz Haber(in Turkish). 13 June 2024.Retrieved14 June2024.
  24. ^Kaya, Gülsüm (2 July 2024)."Yeni İstif sınıfı fırkateynin inşasına başlandı!".DefenceTurk(in Turkish).Retrieved2 July2024.
  25. ^"MİLGEM 9,10,11 ve 12'nci gemiler için kritik karar"(in Turkish). 3 January 2024.Retrieved14 June2024.
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