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Empowering Women in Hydrography
Despite more and more women working in hydrography, leadership positions are still often occupied by men. In the IHO bodies, only 13% are chaired by women. With the goal of raising awareness about the different jobs available to women in hydrography, and of facilitating them to reach leadership positions, the IHO has launched a new project to “Empower women in Hydrography”.

MASS PT1
Maritime Autonomous Surface Ships (MASS) Navigation Project Team (PT) 1st MASS PT Meeting 10 December 2021 VTC Event 11:00 - 14:00 (GMT) Last Update: 3 Dec 2021
S-100 based Product Specifications
Introduction An S-100 based Product Specification defines a data product, and usually includes additional resources such as a machine readable Feature Catalogue and Portrayal Catalogue, a data Encoding Guide and at least one data encoding format. A guidance document S-97 for developing Product Specifications can be downloaded from the GI registry. A list of known IHO S-100 based product specifications is provided below;
Projects
IHO-Singapore Lab Projects Updated : 3 April 2025
Project Teams
Project teams on standards for Hydrographic Surveys (HSPT)
IHO 100 Years
The International Hydrographic Organization (IHO) turned 100 on 21 June 2021, with an on-site celebration in Monaco which was broadcast live online.
TWCWG6 (2022)
6th Tides, Water Level and Currents Working Group (TWCWG6) VTC 5 - 7 April 2022
WWNWS13 (2021)
13th Meeting of World Wide Navigational Warning Service Sub-Committee (WWNWS13) IHO, Monaco, 30 August - 3 September 2021
HSWG Letters
HSWG Letters will be available here for consultation