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Pressure hull test productions for the STM500 submarines begin!

dBSPL

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"Historical step in our national submarine adventure!"

"We are starting the production activity of the STM500 submarine, which was designed by Turkish engineers with national resources, with the test production of a pressure hull."


The STM500 is designed to operate in both open sea and shallow waters.

The STM500 will be equipped with sophisticated and state-of-art warfare systems, which will contain equipment that will meet tactical needs such as reconnaissance and surveillance, special forces operations and submarine warfare.

The platform is capable of enduring 18+6 (SF) personnel for 30 days at depths more than 250 meters, ready to fire its 4 tubes loaded with a variety of 8 modern heavy weight torpedoes and guided missiles.


1646309237_stm500render.jpg

Main Dimensions
Lenght Overall : 42.0 m
Lenght Waterline : 4.2 m
Max. Beam : 8.5 m

Displacement
Surfaced - 485 t
Submerged - 540 t

Speed & Endurance
Max Speed : 18+ kts
75 nm (Battery)
4000 nm (Diesel + AIP)

Main Propulsion
Permanent Excited Propulsion Motor (approx. 1,5 MW)

Power Generation
2x Diesel Generator
Lithium-Ion Batteries
Optional: AIP System

Accommodation for 18 crew
+6 additional accommodation area for Special Forces personnel
CO's Cabin
Galley, dry provisions, freezer room, separated mess rooms

stm-500-denizalti.jpg


Capabilities:

• Submarine Warfare
• Special forces operations
• Intelligence, Surveillance and Reconnaissance
• Mine Warfare
• Shallow Water Operations
• Unmanned Underwater/Aircraft Operations
• Diving Depth: 250+ meters
• Duration of Stay at Sea: 30 days

Sensors and Weapons:

• Battle Management System
• Navigation Radar
• Optronic Navigation and Assault Periscopes
• Torpedo Countermeasure - Deceivers
• Electronic Support Measures (ESM)
• Floating Antenna (BWA)
• Sonars: CAS, CTA, PRS, MAS, IDRS, ONA
• 4 heavy torpedo tubes (2 tubes compatible with Guided Missiles such as sub-ATMACA, GEZGİN etc.) and an additional 4 torpedo storage capacity


**

Footnote: Construction activities for MILDEN will begin in 2025. STM500 project and MILDEN should not be confused with each other. For a long time, STM has been developing a light, low-detectability, special forces operations oriented submarine concept for Pakistan as well as Turkiye.
 
Last edited:
The terror of the agean sea.... :p:
:D
You remember this? https://www.aa.com.tr/tr/bilim-teknoloji/denizaltindaki-haberlesmeye-turk-cozumu/1484152
stm-gurbag2-1140x978.jpeg


I anticipate that the light class attack/SOF submarines construction activities such STM-500 project will proceed independently of the modernization activities of the existing submarine fleet. By the 2030s, we may see a dozen or so STM-500 derivative systems in the Sea of Islands.
 
:D
You remember this? https://www.aa.com.tr/tr/bilim-teknoloji/denizaltindaki-haberlesmeye-turk-cozumu/1484152
stm-gurbag2-1140x978.jpeg


I anticipate that the light class attack/SOF submarines construction activities such STM-500 project will proceed independently of the modernization activities of the existing submarine fleet. By the 2030s, we may see a dozen or so STM-500 derivative systems in the Sea of Islands.


Thats a state of the art communication, a submarine in the water communicating. Imagine 10 of them in the agean sea, ther are darktime waiting for Greece.
 
Thats a state of the art communication, a submarine in the water communicating. Imagine 10 of them in the agean sea, ther are darktime waiting for Greece.
The STM-500 was also featured in the Greek media.

"The Turkish defense industry is constantly getting stronger with the new systems it has developed. Breathtaking innovations in the air, on land and at sea are endless. Early warning systems should be taken against Turkish unmanned mini submarines as soon as possible."

We see that the Greek media still cannot produce the right perspective. While one side strengthens its own industry and keeps its resources domestically with each purchase, the other side cannot put up a long-term struggle with it by opening its hands to foreign resources. Making the country's debt trap even worse by buying and borrowing will darken the future of the Greek people.
 
"Historical step in our national submarine adventure!"

"We are starting the production activity of the STM500 submarine, which was designed by Turkish engineers with national resources, with the test production of a pressure hull."


The STM500 is designed to operate in both open sea and shallow waters.

The STM500 will be equipped with sophisticated and state-of-art warfare systems, which will contain equipment that will meet tactical needs such as reconnaissance and surveillance, special forces operations and submarine warfare.

The platform is capable of enduring 18+6 (SF) personnel for 30 days at depths more than 250 meters, ready to fire its 4 tubes loaded with a variety of 8 modern heavy weight torpedoes and guided missiles.


1646309237_stm500render.jpg

Main Dimensions
Lenght Overall : 42.0 m
Lenght Waterline : 4.2 m
Max. Beam : 8.5 m

Displacement
Surfaced - 485 t
Submerged - 540 t

Speed & Endurance
Max Speed : 18+ kts
75 nm (Battery)
4000 nm (Diesel + AIP)

Main Propulsion
Permanent Excited Propulsion Motor (approx. 1,5 MW)

Power Generation
2x Diesel Generator
Lithium-Ion Batteries
Optional: AIP System

Accommodation for 18 crew
+6 additional accommodation area for Special Forces personnel
CO's Cabin
Galley, dry provisions, freezer room, separated mess rooms

stm-500-denizalti.jpg


Capabilities:

• Submarine Warfare
• Special forces operations
• Intelligence, Surveillance and Reconnaissance
• Mine Warfare
• Shallow Water Operations
• Unmanned Underwater/Aircraft Operations
• Diving Depth: 250+ meters
• Duration of Stay at Sea: 30 days

Sensors and Weapons:

• Battle Management System
• Navigation Radar
• Optronic Navigation and Assault Periscopes
• Torpedo Countermeasure - Deceivers
• Electronic Support Measures (ESM)
• Floating Antenna (BWA)
• Sonars: CAS, CTA, PRS, MAS, IDRS, ONA
• 4 heavy torpedo tubes (2 tubes compatible with Guided Missiles such as sub-ATMACA, GEZGİN etc.) and an additional 4 torpedo storage capacity


**

Footnote: Construction activities for MILDEN will begin in 2025. STM500 project and MILDEN should not be confused with each other. For a long time, STM has been developing a light, low-detectability, special forces operations oriented submarine concept for Pakistan as well as Turkiye.

Does it have AIP?
 
The STM-500 was also featured in the Greek media.

"The Turkish defense industry is constantly getting stronger with the new systems it has developed. Breathtaking innovations in the air, on land and at sea are endless. Early warning systems should be taken against Turkish unmanned mini submarines as soon as possible."

We see that the Greek media still cannot produce the right perspective. While one side strengthens its own industry and keeps its resources domestically with each purchase, the other side cannot put up a long-term struggle with it by opening its hands to foreign resources. Making the country's debt trap even worse by buying and borrowing will darken the future of the Greek people.


History is repeating it self, in the 90's Greece army was stronger when it came to equipment. From AH64 to Leopards, but in the end they didn't have the money to maintain them and same will happen.

Does it have AIP?

No, they will go like Japan on Lithium batteries.
 
Great defensive product for poor countries like Bangladesh. How much it will cost?

Does it have AIP?
AIP on a less than 500 ton sub?

Batteries will be much more logical choice and much more silent too...
 

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