Project 1331M (Parchim II)

The Project 1331M, also known as the Parchim-class, is a class of anti-submarine warfare (ASW) corvettes originally built for the East German Volksmarine. These vessels were designed for coastal defense and patrol duties, with some later transferred to the Indonesian Navy.

Developed in the late 1970s by East Germany's Peene-Werft shipyard, the Project 1331M (Parchim II) was designed specifically for the Soviet Navy to modernize its coastal anti-submarine warfare capabilities in the Baltic Sea. The class entered active service starting in 1986, featuring upgraded sensors, propulsion, and weapon systems compared to the earlier variant. Throughout the late Cold War and the post-Soviet transition, these vessels performed vital patrol, escort, and submarine-hunting exercises as part of the Soviet and subsequently Russian Baltic Fleet. Today, a small number of these robust vessels continue to serve in the Russian Navy, representing a successful naval construction legacy of the former German Democratic Republic.