Built at the German shipyard, Kiel, Germany between 1944-1945. In February 1995 was what left of her find in the Kiel Fjord when the third ferry terminal was under construction. The design for the two man crewed submarine dated from 1944 and there were 1.000 to be built, 285 were in fact completed numbered between U 5501 and 6442) and just 138 saw active of which 34 were lost while used. With a submerged displacement of 17 tons were the dimensions 12 x 1,5 metres or 39 x 4.9 feet, The machinery consisted of a 160 Büssing diesel and a 25hp AEG electric motor allowing a speed of 7 (surfaced)-3 (submerged) and a range of 270 nautical mile while surfaced with a speed of 7 knots and 63 nautical miles while submerged with a speed of 4 knots. The armament consisted of 2-53,3cm/21” G7e torpedoes with a length of 7,16 metres.