STM completes sea trials of Turkish Preveze-class modernized submarines.

According to information published by STM on February 14, 2022, sea acceptance trials of the early delivered systems and the Critical Design Phase of the Preveze Mid-Life Modernisation Project have been successfully completed.
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Preveze-class (Type 209/1400) submarine (Picture source: STM)

Mid-Life Modernisation Project of Preveze-Class (Type 209) Submarines covers the modernization of the TCG Preveze (S-353), TCG Sakarya (S-354), TCG 18 Mart (S-355), and TCG Anafartalar (S-356) submarines in the inventory of Naval Forces Command.

The Turkish Navy is the largest operator of the Type 209 submarines that operates six Type 209/1200 submarines (commissioned between 1976 and 1989) and eight Type 209/1400 submarines (commissioned between 1994 and 2007).

The Type 209/1400 submarine is powered by a diesel-electric propulsion system that includes four MTU 12V 396 diesel engines delivering 2.8MW, with four alternators and one Siemens 3.7MW motor, driving a single shaft.

The Type 209/1400 submarine is armed with eight 21-inch (533 mm) torpedo tubes able to launch Tigerfish Mk 24 Mod 2, STN Atlas DM2A4, and Harpoon missile.