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HSSC

HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE

GEBCO Symposium 2026

The upcoming GEBCO Symposium, to be held in Cartagena, Colombia, from 8-9 October 2026, will bring together the global ocean community to exchange knowledge, inspire collaboration, and advance our collective understanding of the seabed and the ocean environment.

Meetings

List of NHC Meetings Note: To access the meeting page, you'll need an IHO Portal account. If you don't have one yet, please follow the instruction provided at the link here to set up your account and gain access to the meeting page. Click the IHO Portal to get started.

AGL& RsWG

African Great Lakes & Rivers Sub-Working Group

ENC Portrayal S-57

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.

S-57 FAQ's

S-57 Frequently Asked Questions

S-57 ENC Production

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.