ORP Komendant Piłsudski was a Filin-class guard ship originally built at Ab Crichton naval yard in Turku, Finland, for the Imperial Russian Navy. She was bought by the Polish Navy in 1920 and served until sunk in the Invasion of Poland on September 30, 1939. Raised by the Germans, she was subsequently renamed Heisternest (M 3109) and served in the Kriegsmarine. Heisternest was sunk in a U.S. bomb raid in Nantes, France, on September 16, 1943.