MODERNIZATION OF TURKISH NAVY TYPE 209 AY CLASS SUBMARINES
The modernization project comprising renewal of Electronic Support, Attack and Search Periscopes and Inertial Navigation Systems has been carried out by STM as the main contractor and applied on TCG DOĞANAY and TCG DOLUNAY submarines.
The project realized by the support, labor force and experience of Turkish Navy Gölcük Naval Shipyard where has kept extensive knowledge for more than 35 years.
Within this project, STM conducted; integration and installation system-system and system-platform activities, integrated Logistics Support and provided technical support and services.
The overhaul and modernization of TCG DOLUNAY completed on April 2014, and TCG DOĞANAY successfully completed on May 2015 and the two submarines have been delivered to the Turkish Navy.