Survey to define Trans-Caspian Fiber Optic Cable's route launched

AzerTelecom management visited Turkan vessel and reviewed its capabilities, Azerbaijan, August 2025
Azertag

A marine route survey has been launched for the construction of the Trans-Caspian Fiber Optic Cable which is an essential element of the 'Digital Silk Way' project, aiming to create a new digital corridor between Europe and Asia.

The survey will analyze coastal zones and conduct a detailed study of the seabed to determine the shortest, safest, and most environmentally sustainable route for this strategically significant project.

The survey, which began simultaneously in Azerbaijan and Kazakhstan, is expected to take up to four weeks.

As part of the Trans-Caspian Fiber Optic Cable project, a 380-kilometre fiber-optic line will be laid along the seabed of the Caspian Sea, linking Sumgayit (Azerbaijan) with Aktau (Kazakhstan).

The project is being jointly implemented by AzerTelecom (Azerbaijan) and Kazakhtelecom (Kazakhstan), with technical oversight and consulting provided by U.S. based Pioneer Consulting.

Chairman of the Board of AzerTelecom, Emil Masimov, along with the company’s management, visited the Turkan vessel to inspect its capabilities and advanced equipment.

AzerTelecom management visited Turkan vessel and reviewed its capabilities, Azerbaijan, August 2025
Azertag

During his meeting with the vessel’s crew and engineers, Masimov emphasized the strategic importance of the project. 

“With the launch of the marine route survey, we are entering the main construction phase of the Trans-Caspian Fiber Optic Cable project. This cable will enhance regional digital connectivity and position the Caspian Sea as a vital part of global digital infrastructure. I am confident that work on both the Azerbaijani and Kazakh sides will be completed successfully and on schedule.”

Designed with a capacity of up to 400 Tbit/s, the submarine cable will enable high-volume data transmission. Construction is scheduled for completion by the end of 2026.

The Trans-Caspian Fiber Optic Cable being a key part of the 'Digital Silk Way' project, is a digital telecommunications corridor that will pass through various countries, including Georgia, Turkey, Azerbaijan, Kazakhstan, Turkmenistan.

This digital infrastructure, offering high bandwidth and low latency for data transmission, will function as the most efficient and direct route, enhancing regional collaboration and supporting sustainable development across countries.

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