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A Look at the İ-Class Frigate Project

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İbrahim Sünnetci

Issue 104
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The I Class Frigates will feature new generation (Networked Capability, higher performance and a shortened reaction time) the GENESIS ADVENT (Network Enabled Data Integrated Combat Management System) Combat Management System (CMS). As a platform-independent CMS “Developed with the Naval Forces for the Naval Forces” and which can be integrated with a wide variety of sensors and weapons, the GENESIS ADVENT is a powerful and scalable C4I System that provides planning, tactical picture compilation, decision-making and weapon control to meet current and emergent threats. The ADVENT CMS, which has been developed in 3 different facilities of ARMERKOM and Havelsan, is one of the most comprehensive Combat Management Systems both in Turkey and the world with approximately 550 applications and 13 million lines of code. The İ Class will also feature the ADVENT LINK, which works under the ADVENT CMS, allowing different communication protocols to communicate with each other. This system supports Link 11, Link 16, Link 22, VMF, FFI and Web Service protocols, as well as the Multi-Link Process protocol that enables Link 11, Link 16 and Link 22 to communicate with each other.

For Anti-Submarine Warfare (ASW/ missions the İ Class Frigates will have the SH-70 ASW/ASUW Helicopter, Aselsan’s FERSAH hull mounted medium frequency active/passive sonar system and new version of HIZIR Torpedo Defense System with a Towed Array containing both low frequency active (DÜFAS, Low Frequency Active Sonar to replace Towed Decoy) and passive sonar arrays/transducers as well as a winch positioned at the stern of the vessel and a pair of expendable acoustic decoy launchers deployed at port and starboard.

The navigation, communication and sensor systems to be installed in the İ Class vessels will include AKREP (AKR-D Block B-1/2) Fire Control Radar, X-Bant SatCom System, LN270 Fiber-Optic Gyros (FOGs), Laser Warning System, IFF System, SeaEye-AHTAPOT EO Reconnaissance and Surveillance System, PIRI-KATS IRST System (dual band [LW & MW] IR Search and Tracking System with 3 antennas each has 120-degree coverage and able to track 150 targets simultaneously), KULAÇ EchoSounder System (depth measurement equipment), MILPARS Electromagnetic Log System, Underwater Telephone and ALPER LPI Navigation Radar. The TCG Istanbul Frigate was planned to be fitted with the SMART-S Mk2 3D Surveillance Radar but as underlined above the ship will be integrated with new indigenous 3D naval surveillance radar. Aselsan previously introduced the HAZAR 3D Naval Radar Family with rotating active phase array antenna for the first time at IDEF ‘13 Fair with a scaled mock-up of the system. It can be produced in different sizes as S-Band and X-Band thanks to its scalable architecture and the HAZAR multi-function rotating/scanning digital AESA radar will feature GaN based solid-state Transmit & Receive (T/R) modules.

The İ Class Frigates will be fitted with a comprehensive integrated ESM and ECM suite including Aselsan’s ARES-2N Radar ESM (probably the V2 version which features new generation wide-band receivers improving instantaneous band width and receiver parameters) and new generation AREAS-2N Radar EA System. Featuring both wide and narrow band digital receivers, Digital RF Memory (DRFM, for modern coherent threats) and solid-state power amplifiers the AREAS-2N Radar Electronic Attack System will include a total of 4 AESA antennas (each covers 90-degree field of view and incorporates over 1,000 T/R modules) of which two of them will be deployed at port and the remaining two at starboard side of the ship. Thanks to its directional RF radiation capability, which enables deceptive and noise jamming techniques in a dynamic threat environment the AREAS-2N Radar EA System is able to jam/deceive up to 32 threats simultaneously (8 threats per antenna). At the moment only YAVUZ and BARBAROS Class Frigates of the Turkish Navy have Radar EA capability thanks to their Scorpion 2 Radar EA System. Turkish Navy performed its first ever Radar EA test with Scorpion 2 Radar EA System on board the TCG Turgutreis Frigate against 16 F-16 aircraft of the TurAF in the Mediterranean Sea in 1993 and successfully jammed AN/APG-68 radars of these aircraft (which does not have AN/ALQ-178(V)3 EW Self Protection System at that time). According to a Thales product brochure, performing at 7.5GHz to 18GHz frequency range and providing 360-degree azimuth coverage, the DRFM capable Scorpion 2 is able to generate up to 200kW ERP and able to deal with 6 threats simultaneously.

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Rest of the analysis here;
 
T

Turko

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I like his channel i'd love him to be our our member. He's figured out Israeli Navy uses kamikaze drones. Phalanx was removed for the drones incredible.
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Edit: Greek Navy has already started using unmanned vessels made in UAE.
ULAQ seems to have had a rival.
 
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Yasar_TR

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There is a statement in this article;
It says that previously GUR sub “stayed under water without seeing sunlight for 38 days. “
Can anybody explain that?
Surely it must have come up to snorkel depth and switched on it’s diesel engines to charge its batteries!
Or is there something new that we are not aware of?
 

Anmdt

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There is a statement in this article;
It says that previously GUR sub “stayed under water without seeing sunlight for 38 days. “
Can anybody explain that?
Surely it must have come up to snorkel depth and switched on it’s diesel engines to charge its batteries!
Or is there something new that we are not aware of?
Snorkeling makes the most sense.
 

Anmdt

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https://www.dzkk.tsk.tr/Arge/icerik/firkateyn-muhrip-projeleri

"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
 

Hexciter

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"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
Does it mean lower weapon load and higher endurance-range?
 
A

adenl

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"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
"In order to meet the increasing operational needs of the Turkish Naval Forces, studies have been initiated to procure Offshore Patrol Vessels. These ships are the continuation of the MİLGEM Class corvettes and their design was re-designed according to the needs. Within the scope of the project, the shipbuilding contract has already been signed in November 2020, and two ships will be built under the contract. The ships will be built in Turkish shipyards and are planned to be put into service in 2024"
 

Yasar_TR

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"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
It‘s a ship that has a deficiency in the weapons department apart from the helicopter it is carrying. Such a big ship and not enough weapons!
Those RHIB‘s can easily be replaced with ULAQ! It also needs Atmaca or at least MRAShM launchers.
No self defence equipment either! Gokdeniz and Sungur should be added at least! (30mm gun will also help with self defence. But it should really be a 70mm gun)
 

Anmdt

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It‘s a ship that has a deficiency in the weapons department apart from the helicopter it is carrying. Such a big ship and not enough weapons!
Those RHIB‘s can easily be replaced with ULAQ! It also needs Atmaca or at least MRAShM launchers.
No self defence equipment either! Gokdeniz and Sungur should be added at least! (30mm gun will also help with self defence. But it should really be a 70mm gun)
The design is not published yet, the ones published by STM could be their own derivations to offer in somewhere or broaden their portfolio.
What about a modular stern-mission bay which can deploy both ULAQ and towed sonar?
Does it mean lower weapon load and higher endurance-range?
Probably, might have similar capabilities but lighter variants of the weapons and sensors. And the propulsion system might be CODAD.
It will definitely have more endurance and range.
 

Yasar_TR

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At the bottom of the above article there is paragraph for future Extension capacity ;
Special sensors and weapons
More living quarters
This means the design is open to growth and development!
 

Ghost soldier

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Edit: Greek Navy has already started using unmanned vessels made in UAE.
ULAQ seems to have had a rival.
The version of the unmanned vessel that GR navy bought is unarmed and for search and rescue purpose unless it's modiefied to be armed with naval turret for SPIKE ER and MMP
 

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"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
Very cool design but they should add more then 2.
 

Cypro

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"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)

If I were the decision makers I would choose light armed Ada class for OPV role for logistical reasons as well, why would waste money for another engineering project, already matured design is here. What I would do is, built 2 or 4 new Ada Class with VLS space ready (Like Pakistan's and Ukraine ones), transfer armament and radars of F-511 and F-512 to new ships and turn old ships to OPV.. HeybeliAda is already more than 10 years old. Transfer important stuff for cost saving and modernized new ships will replace them. Private Shipyards can build them quickly
 

Yasar_TR

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If I were the decision makers I would choose light armed Ada class for OPV role for logistical reasons as well, why would waste money for another engineering project, already matured design is here. What I would do is, built 2 or 4 new Ada Class with VLS space ready (Like Pakistan's and Ukraine ones), transfer armament and radars of F-511 and F-512 to new ships and turn old ships to OPV.. HeybeliAda is already more than 10 years old. Transfer important stuff for cost saving and modernized new ships will replace them. Private Shipyards can build them quickly
Don’t forget ADA class ships are CODAG . But these new OPV ships are CODAD .
 

Altay_TR

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Special News.. my ass!

Thanks anmdt.
https://www.dzkk.tsk.tr/Arge/icerik/firkateyn-muhrip-projeleri

"Açık Deniz Karakol Gemisi Projesi


1(38).jpg

Türk Deniz Kuvvetlerinin artan harekat ihtiyacını karşılamak maksadıyla Açık Deniz Karakol Gemileri tedarik edilmesi çalışmaları başlatılmıştır. Söz konusu gemiler MİLGEM Sınıfı korvetlerin devamı niteliğinde olup, dizaynı ihtiyaçlara göre tekrar yapılmıştır. Proje kapsamında, halihazırda gemi yapım sözleşmesi Kasım 2020 ayında imzalanmış olup, sözleşme kapsamında iki gemi inşa edilecektir. Gemiler Türk tersanelerinde inşa edilecek olup, 2024 yılında hizmete girmeleri planlanmaktadır"

The source is Turkish Navy's website.
"OPVs are continuation of the Milgem project, Ada class redesigned according to the requirements of offshore patrol." Plural form is used for commissioning in 2024 so we may expect both ships to be delivered in the same year.
Istanbul shipyard (private) could be the candidate for construction, the keel might be laid following delivery of TCG Ufuk (Both ceremonies at once)
 

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