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Become a Member State
How to join the IHO to become a member state?
IHO Strategic Plan and Work Programme
The IHO runs a 3-yearly budgetary cycle. Each budget cycle is based on forward forecast approved by the Member States at the previous Assembly. Each yearly forecast is reviewed in the preceding year and any changes approved by the Member States. The approved budget supports an annual work programme that is also approved by the Member States.
New chair & vice chair of GEBCO Guiding Committee
Members of the GEBCO Guiding Committee met online 18-20 January to discuss the project’s direction for the coming year, including upcoming initiatives, resource allocation etc. During the meeting, members elected Mr Evert Flier from Norway as the new chair of the Guiding Committee, and Dr Marzia Rovere from Italy as vice chair for 2021 – 2024.
NIPWG Product Specifications
NAUTICAL INFORMATION PROVISION Working Group (In English Only)
NIPWG - Bringing Land and Sea Together (BLAST) - SNPWG Participation.
Standardization of Nautical Publications Information Working Group (SNPWG) Information Page (In English Only)
NIPWG - HGMIO
This page is kept only as a historical reference and is not maintained. HARMONIZATION GROUP ON MARINE INFORMATION OVERLAYS
Navigation Warnings on the Web
The following map shows the limits of the 21 Operational NAVAREAs. Clicking on a NAVAREA title will take you to the NAVAREA Coordinators' website where Navigational Warnings are listed. (Note not all NAVAREA Coordinators publish warnings on the World Wide Web, some only provide Notice to Mariners.) Click here for a full list of contact details for all NAVAREA Coordinators and; Click here for a full list of contact map with links to NAVAREA Coordinators NB The availability of Navigational Warnings on the web does not relieve Masters / Captains of the requirement to receive Navigational Warnings via IMO/IHO approved broadcast systems, as websites are not continuously updated and not necessarily monitored for correctness.
IHO Technical Standards
Introduction The IHO technical Working Groups, Project Teams and Correspondence Groups conduct the work under the guidance of the HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE (HSSC). Please see the HSSC page for additional information on the technical standards development activities of the Organization.
ENC Portrayal
Introduction IHO Publication S-52 was developed in conjunction with the IMO Performance Standards for Electronic Chart Display and Information System (ECDIS). It provides specifications and guidance regarding the issuing and updating of Electronic Navigational Charts (ENC), and their display in ECDIS in terms of symbols and colours.
