Type: XXI Construction Laid Down: July 19, 1944 Launched: September 27, 1944 Commissioned: January 29, 1945 Shipyard: Schichau-Werke, Danzig Commanders Hans Hornkohl Karl-Hein Vosswinkel Heinz Franke Wilhelm Neitzsch Fate: Scuttled at Wesermünde near Bremerhaven, May 3, 1945 U-boat.net webpage for U-3509