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Basic WG Documents

Cartas Circulares 2020

IHO Technical Standards

IHO Technical Standard(old)

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.

Standards and Specifications

IMO ECDIS-ENC Documents

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.

NIPWG

NAUTICAL INFORMATION PROVISION WORKING GROUP

NCWG

NAUTICAL CARTOGRAPHY WORKING GROUP