HNLMS D 1 was a Royal Netherlands Navy diving support vessel. She was constructed at the Rijkswerf Willemsoord in Den Helder and served in World War II.Mark, Chris (1997). Schepen van de Koninklijke Marine in W.O. II. Alkmaar: De Alk. ISBN 978-90-6013-522-8.Von Münching, L.L. (1978). Schepen van de Koninklijke Marine in de 2e wereldoorlog Alkmaar: De Alk. ISBN 9060139038.Helfrich, Conrad Emile Lambert (1950). Memoires van Admiraal Helfrich Amsterdam: Elsevier. D 1 was an acronym for , Dutch for Diving vessel 1.
Service history D 1 was captured by the Germans on 14 May 1940 following the invasion of the Netherlands. She was rediscovered in 1946 and returned to the Royal Netherlands Navy where she was recommissioned as HNLMS MOD 4 from 1946 to 1964 and HNLMS Argus from 1964 to 1989. In 1989 she was sold to a private buyer with the intent of using her as a yacht.Bezemer, K.W.L. (1967). Verdreven doch niet verslagen Hilversum: Uitgeversmaatschappij W. de Haan N.V. ISBN 9026920415.
Citations
External links Picture of HNLMS D 1 at the Netherlands Institute for Military History (NIMH).