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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This page is kept only as a historical reference and is not maintained.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.
Standards in Force
Introduction SOLAS regulations V/18 and V/19, requires that in order to achieve chart carriage requirements (in terms of SOLAS), the ECDIS equipment must conform to the relevant IMO performance standards. ECDIS units on board are required to comply with one of two performance standards (either IMO resolution A.817(19), as amended; or resolution MSC.232(82)), depending on the date of their installation.
Introduction The S-57 "Transfer Standard for Digital Hydrographic Data” is the IHO standard to be used for the exchange of digital hydrographic data between national hydrographic offices and for its distribution to manufacturers, mariners and other data users.
International Hydrographic Review
The International Hydrographic Review (IHR) is an international journal publishing peer-reviewed papers on all aspects of hydrography and associated subjects, ranging from the latest technical developments to history. It was first published in 1923 and since then has been published regularly; all previous editions of the IHR are available in the IHR Repository. The IHR can be accessed directly using the link https://review.iho.int. The last edition of the IHR is available using this link.
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.
The S-100 Standard is a framework document that is intended for the development of digital products and services for hydrographic, maritime and GIS communities. It comprises multiple parts that are based on the geospatial standards developed by the International Organization for Standardization, Technical Committee 211 (ISO/TC211).
Online Chart Catalogues
IHO Member States Online Chart Catalogues (last updated - 26 June 2020)