DaMSA was the Centre for Operational Oceanography, which collects hydrographical and oceanographic data from all national waters, and makes charts and maps for use by the Military of Denmark and civilians.

DaMSA was a full member of the North West Shelf Operational Oceanographic System.

In 1987 the Royal Danish Nautical charts archive was detached for merger with the National Survey and Cadastre of Denmark.

[3] DaMSA was a member of the SeaDataNet European Directory of Marine Organizations, providing bathymetric measurements in Danish and Greenlandic waters.

Two surveying ships (one with multibeam) are stationed in Greenland with working area on the west coast.