Type: XXI Construction Laid Down: August 14, 1944 Launched: October 11, 1944 Commissioned: November 18, 1944 Shipyard: Schichau-Werke, Danzig Commander Martin Grasse Hans-Heinrich Ketels Hermann Schrenk Fate: Scuttled at Travemünde near Neustadt, May 3, 1945 U-boat.net webpage for U-3511