An Afternoon On TCG Burgazada

TCG Burgazada. The third Milgem class corvette.

TCG Burgazada. The third Milgem class corvette.

During the IDEF 2019 defense exhibition last week I had the privilege to visit TCG Burgazada.

TCG Burgazada is the third of the four Ada class corvettes. She was commissioned on 4th November 2018 and is the newest warship of the Turkish Navy.

Turkish Navy always considered the first two ships as prototypes. The lessons learned in constructing and using these ships were to be incorporated in the subsequent ships as there were under construction. Thus TCG Burgazada is slightly updated compared to TCG Heybeliada and TCG Büyükada, though these changes are subtle and mostly not visible from the outside at all.

One exception is the new Aselsan Seaeye-Ahtapot electro-optic sensor on the aft mast while the previous ships use Aselflir 300. Aselflir 300 was originally designed for airborne platforms and was installed without much modification. Thus the mean time between regular maintenance is quite short for a maritime system and the whole sensor must be taken down for the maintenance. These shortcomings are rectified in Seaeye-Ahtapot and the operators are quite happy with its performance. But Aselsan needs to come up with a better and catchier name.

The other changes are under the skin. The main machinery has 10.000 more horsepower making TCG Burgazada faster than the other Ada class ships.

TCG Burgazada has Aselsan made Hızır countermeasure system for torpedo attacks. She is the first ship to be fitted with this system. The system consists of two decoy launchers on both sides of the funnel and one towed array and decoy. Though the system is very similar to Ultra built torpedo countermeasure system used on the other ships I believe the logistics of a locally built system is preferred by the end user.

One could still get “the new ship smell” when walking through the passageways.

I wish fair winds and following seas to TCG Burgazada and her crew.

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TCG Ufuk Launched

The previously unnamed test and evaluation ship has now a name and a pennant number: A-591 TCG Ufuk.

The ship, the first one in Turkish Navy to bear that name, was launched on 9th February 2019.

TCG Ufuk shows a striking resemblance to Ada class corvettes. Even some main physical attributes like the length, width, drought of the ships are the same. Here is a comparison chart:

TCG Ufuk Ada Class
Length (meters) 99,5 99,5
Width (meters) 14,4 14,4
Draft (meters) 3,6 3,9
Displacement (tons) 2400 2300
Speed (knots) 18+ 29

Two most obvious differences between this ship and the Ada class corvettes are that that TCG Ufuk doesn’t have any weapons.  The test and evaluation ship does have a flight deck to support 10-tonne class helicopters but does not have a hangar.

According to news reports, TCG Ufuk will have an all diesel main propulsion whereas the Ada class ships have a combined gas turbine and diesel engines as main propulsion. The top speed is given as 18+ knots, which is considerably slower than 29 knots top speed of Ada class corvettes.

During the launching ceremony, the President of Turkey Mr. Erdoğan told that this ship was the first intelligence gathering ship built by national means and mentioned the importance of signal intelligence.

The intelligence gathering mission of this ship may explain why the ship will have a 100 tons more displacement compared to Ada class corvettes despite having no weapons and the sensors associated with fire control and why its construction was not published much compared to other defense industry projects.

The commissioning of TCG Ufuk is scheduled for July 2020.

Test And Evaluation Ship Takes Shape

A CGI image of the Test and Evaluation Ship showing her general configuration. The lack of weapons, the enclosure of the section between the funnel and the mast are particularly striking features.

 

The project was first made public in a presentation made by Undersecreteriat for Defence Industries, (SSM) during the 7th Naval Systems Seminar in 2017. SSM simply told that they have signed a contract for a Test and Evaluation Ship.

More information was released in a presentation made by the engineering company STM during the same event. According to STM, they are the main contractor of a project, where one Test and Evaluation Ship (TaES) will be constructed by Istanbul Denizcilik Shipyard. The ship will have hull form of Ada class corvettes. Aselsan, as a subcontractor is responsible for the manufacturing of the mission systems to be used on board.

STM also shared the above photo. The ship showed there has a striking resemblance to Ada class corvettes. Two most obvious differences between this ship and the Ada class corvettes are this ship doesn’t have a gun in A position and any other weapons. The space between the mast and the funnel, where 8 Harpoon missiles are installed in Ada class ships doesn’t exist in the TaES. The aft of the superstructure is also slightly different. The superstructure aft of the funnel is larger since the TaES doesn’t have the STAMP remote-controlled gun system and anti-torpedo countermeasures system, the deck on which these systems are installed is added to the hull.

According to news reports, the TaEs will have an all diesel main propulsion whereas the Ada class ships have a combined gas turbine and diesel engines as main propulsion. The top speed of the TaES will be lower than Ada class corvettes.

Since TaES shares the same hull and superstructure of the Ada class corvettes, I believe the physical measurements of the TaES will be same or very similar of Ada class ships.

On the left are the mast and forward superstructure of the first Ada class corvette TCG Heybeliada. On the right are the mast and the forward structure of the Test and Evaluation Ship. Although the shape is similar, the number of supports on the mast of the TaES is much more compared to TCG Heybeliada. Obviously, more sensors will installed on TaES.

The stern view of the TaES and TCG Heybeliada. The TaES does have a flight deck and a hangar. But the shape of the superstructure at the aft is different.

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