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Finance Documents and Reports
The IHO operates under a three year budget approved by the Assembly and an annual operational Budget endorsed by the Council, overseen by the Finance Committee and approved by the Member-States through correspondence. The most up-to-date list of the Finance Committee Members is linked here. The Member States are informed via Finance Circular Letters which can be downloaded from the Circular Letters section - under the top menu called "About IHO".
IHO Council
COUNCIL OF THE INTERNATIONAL HYDROGRAPHIC ORGANIZATION
Become a Member State
How to join the IHO to become a member state?
IHO Strategic Plan and Work Programme
This Strategic Plan sets the course for the IHO as it navigates opportunities and challenges on a 6-year cycle. The forthcoming 2027 to 2032 period promises profound transformation in world hydrography with the introduction of a new generation of electronic navigation products and services in line with the International Maritime Organization (IMO) E-Navigation and maritime digitalization strategy. To succeed in this evolving landscape, this Plan identifies specific strategic goals and targets that will guide the IHO's Work Programme, fostering its vision, mission, and objectives, and establishing clear performance indicators to track progress. The IHO Work Programme is the annual operational plan approved by Member States, translating the IHO Strategic Plan into concrete programmes, objectives and actions delivered by the Secretariat and IHO bodies.
JWG-MGI
UN-GGIM – IHO Joint Working Group on Marine Geospatial Information (JWG-MGI)
4th Session of the Assembly (2026)
4th Session of the IHO Assembly (A-4) Rainier III Auditorium, Monaco 19 - 23 April 2026 Last Update: 10 April 2026
Data Protection (S-100/S-57 )
Introduction The IHO Data Protection Scheme defines security constructs and operating procedures that must be followed by Data Servers (providers of data) and Data Clients (systems that use the data). The purpose of data protection scheme is to provide: 1. Piracy Protection: i.e. to prevent unauthorised use of data by encrypting the ENC information. 2. Selective Access: i.e. to restrict access to ENC information to only those cells that a customer has been licenced for. 3. Authentication: i.e to provide assurance that the ENC data has come from approved sources
S-57 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.
SAIHC20 (2024)
SAIHC20 Plenary 17 - 19 September 2024/ Kenya (Hybrid) Online Registration
