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IENWG
THE IHO & EUROPEAN UNION NETWORK WORKING GROUP
HCA
IHO Hydrographic Commission on Antarctica (HCA)
Capacity Development and Technical Cooperation
Capacity Development is defined as the process by which the IHO assesses and assists in sustainable development of the Member States and other states, to meet the objectives of the IHO and the obligations related to SOLAS Chapter V, UNCLOS and other international instruments. Capacity Development is a strategic objective of the IHO.
HSSC
HYDROGRAPHIC SERVICES AND STANDARDS COMMITTEE
MOU & Agreements
World Hydrography Day 2026: Transforming How Ocean Data Is Shared
Every year on 21 June, the International Hydrographic Organization (IHO) and its Member States celebrate World Hydrography Day, highlighting the vital role hydrography plays in improving our understanding of the ocean and supporting its safe, sustainable, and productive use.
Historic Outcomes at 2026 Assembly: New Leadership, New Structures, and Global Standards
Representatives of the 104 IHO Member States reached decisions which will change the future of the organization during the 4th session of the Assembly. This triennial event held in Monaco saw crucial advancements in hydrography and international collaboration including the creation of a new entity, a new office, as well as new leaders.
ARHC and PAME Issue Joint Advisory Warning of Navigational Risks in a Rapidly Changing Arctic
The Arctic Regional Hydrographic Commission (ARHC) and the Arctic Council Working Group on the Protection of the Arctic Marine Environment (PAME) have officially released a joint advisory titled "Caution Required When Navigating in Arctic Waters.".
S-57 FAQ's
S-57 Frequently Asked Questions
