 The administration was created in 1974 when the Norwegian Directorate of Harbours, Naval Pilot Authority and the Norwegian Coastal Navigation Administration were merged.It took its present name in 1981, after it had been reorganised into five regional offices, located in Arendal, Haugesund, Ålesund, Kabelvåg and Honningsvåg.In 2002 the head office was moved from Oslo to Ålesund and in 2006 the construction division, Secora, was demerged and became a separate limited company owned by the Ministry of Trade and Industry.