Regulation 9 – Hydrographic services
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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.99(73) – Adoption of Amendments to the International Convention for the Safety of Life at Sea, 1974, as Amended – (Adopted on 5 December 2000) - Annex – Amendments to the International Convention for the Safety of Life at Sea, 1974, as Amended - Chapter V – Safety of Navigation - Regulation 9 – Hydrographic services

Regulation 9 – Hydrographic services

  1 Contracting Governments undertake to arrange for the collection and compilation of hydrographic data and the publication, dissemination and keeping up to date of all nautical information necessary for safe navigation.

  2 In particular, Contracting Governments undertake to co-operate in carrying out, as far as possible, the following nautical and hydrographic services, in the manner most suitable for the purpose of aiding navigation:

  • .1 to ensure that hydrographic surveying is carried out, as far as possible, adequate to the requirements of safe navigation;

  • .2 to prepare and issue nautical charts, sailing directions, lists of lights, tide tables and other nautical publications, where applicable, satisfying the needs of safe navigation;

  • .3 to promulgate notices to mariners in order that nautical charts and publications are kept, as far as possible, up to date; and

  • .4 to provide data management arrangements to support these services.

  3 Contracting Governments undertake to ensure the greatest possible uniformity in charts and nautical publications and to take into account, whenever possible, relevant international resolutions and recommendations.footnote

  4 Contracting Governments undertake to co-ordinate their activities to the greatest possible degree in order to ensure that hydrographic and nautical information is made available on a world-wide scale as timely, reliably, and unambiguously as possible.


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