HCA
IHO Hydrographic Commission on Antarctica (HCA)
Membership
| Chair: | IHO Secretariat (S-G) |
| Vice-Chair: | Chile |
| Members: | Argentina, Australia, Brazil, Chile, China, Colombia, Ecuador, France, Germany, Greece, India, Italy, Japan, Korea (Rep. of), Netherlands, New Zealand, Norway, Peru, Poland, Russian Federation, South Africa, Spain, Türkiye, Uruguay, United Kingdom, United States of America, Venezuela. |
| Observers: | Antarctic Treaty Secretariat (ATS), Council of Managers of National Antarctic Programmes (COMNAP), International Association of Antarctic Tour Operators (IAATO), Scientific Committee on Antarctic Research (SCAR), International Maritime Organization (IMO), Intergovernmental Oceanographic Commission (IOC), General Bathymetric Chart of the Oceans (GEBCO), International Bathymetric Chart of the Southern Ocean (IBCSO). |
Objectives
To promote technical co-operation in the domain of hydrographic surveying, marine cartography, and nautical information within the region.
Documents and Resources
All documents for upcoming, current and previous years meetings are made available on HCA section of the IHO Portal.
To access all HCA resources, you will need:
- an account on the IHO portal
- to join the HCA community (see 'members' tab to apply)
Conferences
The 20th HCA conference took place in Punta Arenas (Chile) in December 2025.
The 21st HCA conference will take place in Cambridge (UK) in July 2027. All logistics details available on the IHO Portal.


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