On 20 September 1993 transferred by the Royal Netherlands Navy to the Domains. Original used as mooring pontoon for the Dutch aircraft carrier Hr. Ms. Karel Doorman made of four in 1956 welded steel-made pontoons earlier used to close the former German submarine bunker in the Waalhaven, Rotterdam, Netherlands. Used after the sale of the Karel Doorman at the navy yard at Den Helder, Netherlands to store contaminated oil.
