Laid down at the shipyard Wilton-Fijenoord, Schiedam, Netherlands as part of the Potvis-class on 26 October 1962, launched on 14 June 1965, commissioned on 25 February 1966 and decommissioned on 10 January 1991. Nowadays museum ship at Den Helder, Netherlands. With a displacement of 15.09 (surfaced)-1.831 (submerged) tons and as dimensions 78,3 x 7,80 x 4,95 metres. Her crew numbered 67 men. Theoretical diving depth 350 metres. Speed 14,5 (surfaced)-17 (submerged) knots. Her crew numbered 8-53,3cm/21” torpedo tubes. Of the 3-cyilinder design in which development naval engineer M.F. Gunning played an important part.(1) Two smaller cylinders (engineering) below one larger cylinder (personal accommodation/operational rooms) above.
As museum ship at Den Helderm Netherlands
Note
1. Maximiliaan Frederik Gunning (9 October 1895 Zwolle, Netherlands-13 February 1972 Petersfield, England). Until 1926 naval engineer when he was appointed as head of the naval shipbuilding branch of the shipyard Kon.Mij. De Schelde at Vlissingen, Netherlands. In 1935 appointed as director of the N.V. Verenigde Scheepsbouw-bureaux (NEVESBU), The Hague, Netherlands. The 3-cylinder submarine design was based on a German idea for a cargo submarine. Between 1904-1945 again in service of the Royal Netherlands Navy. After the Second World War were several designs drawn dealing with the 3-cylinder design despite the interest of the Royal Netherlands Navy of developing the pre-war design.
