TF-X / KAAN / Hürjet Turkish Fighter & Trainer Aircrafts News & Discussions

Talks between Turkey and Spain have begun on the KAAN.

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Spain is moving away from US and even rest of Europe

its a good opportunity for Spain to buy Turkish

a few years ago Turkey bought the LHD design and now Spain is buying top end air force stuff from Turkey

a good move hope Italy can follow soon

if Spain and Italy rely on Turkey that leaves only the Germans, French and British

Spain and Italy combined military expenditure is over $90 billion big markets to tap into
 
Talks between Turkey and Spain have begun on the KAAN.

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For more detailed information, see our cookies page.


Spain is moving away from US and even rest of Europe

its a good opportunity for Spain to buy Turkish

a few years ago Turkey bought the LHD design and now Spain is buying top end air force stuff from Turkey

a good move hope Italy can follow soon

if Spain and Italy rely on Turkey that leaves only the Germans, French and British

Spain and Italy combined military expenditure is over $90 billion big markets to tap into
 
came across this Spanish YouTube video that tries to identify weaknesses and design flaws in KAAN, but I think the person based their analysis on the very first version of the aircraft, which could completely distort the conclusions! Still, the video seems recent to me.

Here’s the video in question:

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came across this Spanish YouTube video that tries to identify weaknesses and design flaws in KAAN, but I think the person based their analysis on the very first version of the aircraft, which could completely distort the conclusions! Still, the video seems recent to me.

Here’s the video in question:

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who gives a fak about youtuber, analyze by whom? The real person who can analye and legit is on the internet is 1 person.

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came across this Spanish YouTube video that tries to identify weaknesses and design flaws in KAAN, but I think the person based their analysis on the very first version of the aircraft, which could completely distort the conclusions! Still, the video seems recent to me.

Here’s the video in question:

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For more detailed information, see our cookies page.


I'm not an engineer so I may be completely wrong, but the stuff he's pointing out is one of the things I noticed when I first saw the photos of Kaan. Another thing that got my attention was the fact that the F-22 Raptor hides its engines deep within its structure, reducing heat signature (same applies to B-2). The Turkish KAAN currently uses conventional, round General Electric F110 engines, the same engine family powering the F-16. Because these nozzles are fully exposed and round, they lack the geometric "facet cuts" or serrated teeth (like the F-35) needed to bounce radar waves away cleanly. This makes the current KAAN prototypes more vulnerable to detection from the rear quadrant, and they will also be vulnerable to heat detection like how F-35 proved to be over Iran against heat-seeking or infrared missiles.

Regarding the narrator's claims in the video, I asked gemini to fact-check his argument and this is what gemini gave me (because gemini can read/analyze youtube videos):

Video Analysis: Is the Narrator Correct?​

The narrator from ESTRATEGIA TV delivers a highly critical, heavily opinionated analysis. While his tone is aggressive and politically charged, his core aerodynamic and radar physics arguments are technically accurate, though with a few critical caveats regarding prototype development.

Here is a breakdown of the narrator's main points and whether they hold up under technical scrutiny:

1. Wide Engine Spacing (The "Russian Style")​

  • Narrator's Claim: The KAAN has its engines widely separated, which creates a huge central tunnel (a "pancake" lift body) similar to the Russian Su-57. He claims this traps radar waves and destroys stealth.
  • Verdict: Mostly Correct. Spacing engines widely apart allows room for a deep internal weapons bay between them and helps generate aerodynamic lift. However, from a stealth perspective, right angles and tunnels between engine nacelles create "corner reflectors" where radar waves can bounce repeatedly and return to the source. The F-22 tightly integrates its engines together to avoid this exact issue.

2. Giant Vertical Tail Fins​

  • Narrator's Claim: The KAAN's vertical stabilizers are massive, behaving like "billboards" for side-looking radars. He argues Turkey made them huge because they lack advanced Fly-By-Wire (flight control software) technology, relying on brute-force aerodynamics to keep the heavy plane stable.
  • Verdict: Partially Correct. The KAAN is an enormous aircraft—larger than both the F-35 and F-22—meaning it requires substantial control surfaces to handle directional stability (yaw). While Turkey is developing modern Fly-by-Wire systems, using oversized tail fins during the early prototype phase provides a necessary safety margin in flight testing before the software is fully refined. However, the narrator is right that large, flat surfaces inherently increase the aircraft's Radar Cross Section (RCS).

3. Air Intake Gaps & Wings​

  • Narrator's Claim: There is a pronounced gap between the fuselage and the air intakes, and the wing sits above the intake like a roof. He points out that true fifth-generation jets use Diverterless Supersonic Intakes (DSI)—like the "bump" on the F-35—to cleanly manage air without radar-reflecting gaps.
  • Verdict: Correct. The intake design on the early KAAN prototypes uses a traditional splitter plate mechanism to prevent turbulent boundary-layer air from choking the engine. True stealth airframes eliminate this gap because it serves as an open cavity for radar waves.

4. The Finality: "It will never be 5th Generation"​

  • Narrator's Claim: Because of these foundational structural flaws (nozzle shapes, engine spacing, intake styling), the KAAN can never be a real fifth-generation aircraft because fixing them requires redesigning the entire airframe.
  • Verdict: Exaggerated. This is where the narrator overlooks how military aviation development works. The KAAN jets flying right now are Block 0 prototypes. They are built to test basic flight physics, metallurgy, and hydraulic systems. Turkey's roadmap explicitly states that future production blocks (intended for the 2030s) plan to incorporate indigenous Turkish engines featuring serrated stealth nozzles, redesigned stealth air intakes, and refined geometry.

Summary Takeaway​

The narrator is technically spot-on about the limitations of the airframe as it stands today. The current KAAN prototypes have a much larger radar and infrared signature than an F-22 or F-35. However, comparing an early-stage prototype directly to a fully mature production aircraft like the F-22 ignores the fact that stealth geometry is usually iterated upon and cleaned up as a jet moves closer to mass production.

--

So basically this is an early prototype of the aircraft, and further development of the aircraft remains to be seen.
 
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I'm not an engineer so I may be completely wrong, but the stuff he's pointing out is one of the things I noticed when I first saw the photos of Kaan. Another thing that got my attention was the fact that the F-22 Raptor hides its engines deep within its structure, reducing heat signature (same applies to B-2). The Turkish KAAN currently uses conventional, round General Electric F110 engines, the same engine family powering the F-16. Because these nozzles are fully exposed and round, they lack the geometric "facet cuts" or serrated teeth (like the F-35) needed to bounce radar waves away cleanly. This makes the current KAAN prototypes more vulnerable to detection from the rear quadrant, and they will also be vulnerable to heat detection like how F-35 proved to be over Iran against heat-seeking or infrared missiles.

Regarding the narrator's claims in the video, I asked gemini to fact-check his argument and this is what gemini gave me (because gemini can read/analyze youtube videos):

Video Analysis: Is the Narrator Correct?​

The narrator from ESTRATEGIA TV delivers a highly critical, heavily opinionated analysis. While his tone is aggressive and politically charged, his core aerodynamic and radar physics arguments are technically accurate, though with a few critical caveats regarding prototype development.

Here is a breakdown of the narrator's main points and whether they hold up under technical scrutiny:

1. Wide Engine Spacing (The "Russian Style")​

  • Narrator's Claim: The KAAN has its engines widely separated, which creates a huge central tunnel (a "pancake" lift body) similar to the Russian Su-57. He claims this traps radar waves and destroys stealth.
  • Verdict: Mostly Correct. Spacing engines widely apart allows room for a deep internal weapons bay between them and helps generate aerodynamic lift. However, from a stealth perspective, right angles and tunnels between engine nacelles create "corner reflectors" where radar waves can bounce repeatedly and return to the source. The F-22 tightly integrates its engines together to avoid this exact issue.

2. Giant Vertical Tail Fins​

  • Narrator's Claim: The KAAN's vertical stabilizers are massive, behaving like "billboards" for side-looking radars. He argues Turkey made them huge because they lack advanced Fly-By-Wire (flight control software) technology, relying on brute-force aerodynamics to keep the heavy plane stable.
  • Verdict: Partially Correct. The KAAN is an enormous aircraft—larger than both the F-35 and F-22—meaning it requires substantial control surfaces to handle directional stability (yaw). While Turkey is developing modern Fly-by-Wire systems, using oversized tail fins during the early prototype phase provides a necessary safety margin in flight testing before the software is fully refined. However, the narrator is right that large, flat surfaces inherently increase the aircraft's Radar Cross Section (RCS).

3. Air Intake Gaps & Wings​

  • Narrator's Claim: There is a pronounced gap between the fuselage and the air intakes, and the wing sits above the intake like a roof. He points out that true fifth-generation jets use Diverterless Supersonic Intakes (DSI)—like the "bump" on the F-35—to cleanly manage air without radar-reflecting gaps.
  • Verdict: Correct. The intake design on the early KAAN prototypes uses a traditional splitter plate mechanism to prevent turbulent boundary-layer air from choking the engine. True stealth airframes eliminate this gap because it serves as an open cavity for radar waves.

4. The Finality: "It will never be 5th Generation"​

  • Narrator's Claim: Because of these foundational structural flaws (nozzle shapes, engine spacing, intake styling), the KAAN can never be a real fifth-generation aircraft because fixing them requires redesigning the entire airframe.
  • Verdict: Exaggerated. This is where the narrator overlooks how military aviation development works. The KAAN jets flying right now are Block 0 prototypes. They are built to test basic flight physics, metallurgy, and hydraulic systems. Turkey's roadmap explicitly states that future production blocks (intended for the 2030s) plan to incorporate indigenous Turkish engines featuring serrated stealth nozzles, redesigned stealth air intakes, and refined geometry.

Summary Takeaway​

The narrator is technically spot-on about the limitations of the airframe as it stands today. The current KAAN prototypes have a much larger radar and infrared signature than an F-22 or F-35. However, comparing an early-stage prototype directly to a fully mature production aircraft like the F-22 ignores the fact that stealth geometry is usually iterated upon and cleaned up as a jet moves closer to mass production.

--

So basically this is an early prototype of the aircraft, and further development of the aircraft remains to be seen.
f22s air intakes are same with KAAN. when we have new engines, KAAN will be full stealth. another thing is time, KAAN will enter inventory after 25years than f22. be smart! computing, simulating and coating are much better than 1990s, KAAN will be much more stealthier than f22.
 
came across this Spanish YouTube video that tries to identify weaknesses and design flaws in KAAN, but I think the person based their analysis on the very first version of the aircraft, which could completely distort the conclusions! Still, the video seems recent to me.

Here’s the video in question:

To view this content we will need your consent to set third party cookies.
For more detailed information, see our cookies page.

This YouTuber's assessment is flawed; he draws incorrect "final conclusions" based on several weak arguments.

The claim of "fly-by-wire control" is completely unfounded. KAAN is still in the prototype stage. The purpose of a prototype is to test, learn, expand the flight envelope, and progressively improve the system, not to prove it meets the latest performance standards from the outset. Even advanced fighter designs require years to fully develop their flight control systems.

Of course, the visible exhaust nozzles are not final stealth nozzles, but rather a configuration of the prototype. Using them as permanent evidence to attack KAAN is a hasty analysis.

The air intake gaps are not accidental "flaws." They are part of boundary layer control. Turbulence flowing along the fuselage must be separated before entering the engine intakes. KAAN also appears to have used ducts, fans, cooling air outlets, and curved intake geometry to reduce the impact of the front-mounted engine. This is an engineering design, not a malfunction.

The canted vertical tail fins are not "billboards." Their angle is crucial because radar energy is scattered rather than directly reflected back. The massive fuselage, internal armor, airflow channels, and lift-oriented geometry are all designed to enhance aerodynamic performance and stealth capabilities.

This individual uses fake Western names like "Bob Baker" and "Juan Juanito" to publish meaningless Indian language theories and launch attacks on the Turkish aerospace industry, further diminishing their credibility. This is not technical analysis, but political motivated propoganda.

Conclusion: Stop using fake names and artificial intelligence to repeat doomsday rhetoric through anonymous accounts. Buy better tools than Gemini copy-paste, because even simple models should be identified for flaws before such arguments are published. This YouTube user has made a flawed assessment and packaged unfounded claims as a false "final conclusion." First, the claim of fly-by-wire control is unreliable. KAAN is still in the prototype stage. Who would have thought that TAI's first prototype, as the first fifth-generation fighter, would have a fully mature flight control system? Even the United States takes years to develop advanced fighter jets before their fly-by-wire flight control systems are fully developed. The purpose of a prototype is not to prove it meets the latest performance standards from the outset, but to test, learn, improve, and expand, ultimately reaching the limits of flight. The visible exhaust nozzles are, of course, a prototype configuration, not the final stealth engine/nozzle design, and therefore pose no problem. "The Man in the Box" (Spanish) is an Indian man using the name Bob Baker and impersonating Juan Juanito; this is completely false, misleading, and utterly absurd. Less than a year ago, I found a post on his YouTube channel containing highly biased statements about India. He made pessimistic pronouncements based on immature ideas and exaggerated rhetoric. In the summer of 2025, a newly opened YouTube channel posted a video about India, containing some original content; this content is somewhat strange, claiming that the Indian Air Force is extremely powerful. It also claims that India could defeat the Saudi Arabian Air Force with Russian and French aircraft, which is simply unbelievable. I think most of these claims are absurd and highly improbable. Furthermore, the video uses deepfake technology, and you seem to be mimicking the process of creating deepfake content on YouTube. In fact, KAAN's exhaust nozzles improve aerodynamics by ensuring continuous airflow over the rear vertical tail—a feature even engineers of delta wings (similar to the F-22's small tail, slightly canted to deflect radio waves) would consider. The lift required for high-speed flight is crucial for extremely high maneuverability, and near the speed of sound, the wing's speed is like a brick wall. The streamlined design, the single bar, and the "toy gun" in front of the cockpit are all striking. This system, with its large fuselage—a feature absent in the F-35 and F-22 Raptor fighters—is a highly classified system.

Now, the airflow along the front sides of the fuselage, the boundary layer, is always turbulent. To prevent turbulence from entering the engine intakes, a gap is incorporated into the design to block it; this stability regulates the airflow. Additionally, space use to regulate air flow is also used for the radiators channeled for the liquid cooled electronic systems state of art radar and then it exits via a vent on top of the KAAN which i'll show you shortly. Kaan also got these air holes on as seen in the picture below which are designed to capture and remove any additional boundary layer of air that may have formed they work by applying a small amount of suction that draws the air inwards and then out through a vent away from the engine intake done so which intricate design now the engine inlet is covered but you wouldn't be able to see much as the intake duct bends slightly as to avoid exposing the engine face and turbines to the exterior as they would also light up on an enemy radar the boundary air comes out this vent the intake bleed air comes out this one and this is the outlet for the air used for the cooling equipment
Here’s KAAN p1 prototypeIMG_3188.jpeg
Here’s the F-22
IMG_3200.png
 
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came across this Spanish YouTube video that tries to identify weaknesses and design flaws in KAAN, but I think the person based their analysis on the very first version of the aircraft, which could completely distort the conclusions! Still, the video seems recent to me.

Here’s the video in question:

To view this content we will need your consent to set third party cookies.
For more detailed information, see our cookies page.


Don't pay too much atention to him. He is well known in Spain to be US aligned military enthusiast youtuber and he is just saying nonsense.

He still doesn't understand that a medium power like Turkey simply surpassed US in many áreas, including light trainer. While their awesome T7 Red hawk has suffered costs overruns and more than 2 years of delay not to mention the awesome Stealth MUM-T Kizilelma and Anka-3 with historical achievements over similar US programs.

We have much more knowledgeable military enthusiasts that are excited to work with Turkey and learn to build in future.

Saludos.
 

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