The Maritime Hydrographic Directorate produces the Electronic Navigation Chart (ENC) for its use onboard of merchant and navy vessels, within ECDIS (Electronic Chart Display and Information System) equipment. Being produced by the national authority in the field of maritime hydrographic activity, on behalf of the Ministry of Defense of Romania, in respect with the international standards proposed by the International Hydrographic Organization (IHO), the International Centre for Electronic Navigational Charts (IC-ENC), the International Association of Lighthouse Authorities (IALA) and considering the International Maritime Organization (IMO) resolutions, the Electronic Navigation Chart produced by the Maritime Hydrographic Directorate deserves its full title, recognized in the international literature of "ENC".

The Electronic Navigation Charts, type ENC S-57, Ed. 3.1, are the top product of DHM.

Their number is increasing, ensuring:

  • a higher display of georeferenced navigation information within ECDIS by obtaining the position, speed and vessel data, providing an instantaneous image of the current situation
  • integration with (D)GPS positioning systems, as well as the motion sensors on board vessels
  • planning and monitoring routes, choosing the desired level of displayed information
  • distribution and short-term updates via CD/Internet

The ENCs produced by DHM are the official Electronic Navigation Charts and fully meet the requirements for charting of vessels in accordance with the obligations of the United Nations Convention for the Safety of Life at Sea (SOLAS) for use within ECDIS equipment.

The Romanian ENCs and their updates are validated by IC-ENC and are sold through the agencies for selling charts accredited by it. For more details, see the website


For more ENC details please contact us.