HNLMS Gemma was a Government Navy patrol boat. She was militarized by the Royal Netherlands Navy upon the start of the Pacific theatre of World War II.Mark, Chris (1997). Schepen van de Koninklijke Marine in W.O. II. Alkmaar: De Alk. ISBN 978-90-6013-522-8.

Service history HNLMS Gemma was stationed at Makassar when war broke out. She was planned for transfer to Surabaya harbor to receive maintenance, however, even Surabaya was not safe due to the fall of Java and her crew was forced to scuttle Gemma on 2 March 1942.Von Münching, L.L. (1978). Schepen van de Koninklijke Marine in de 2e wereldoorlog Alkmaar: De Alk. ISBN 9060139038. Japanese service

Gemma was raised by Japanese forces on 28 January 1943, be repaired and commissioned as the transport ship Kita Maru. After the war the ship was rediscovered and recommissioned as a hydrographic survey vessel. She was transferred to the new Indonesian Navy in 1949.Bezemer, K.W.L. (1967). Verdreven doch niet verslagen Hilversum: Uitgeversmaatschappij W. de Haan N.V. ISBN 9026920415.

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