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MS Online Chart Catalogues
The following tabe provides links to IHO Member States online Chart Catalogues. IHO Members states are encouraged to provide information concerning their online chart catalogues to the IHO Secretariat (info@iho.int) so that this information can be included below.
IHO Meetings and Events Calendar
The IHO Calendar contains information about meeting and events that are of interest to Member States, Industry Stakeholders, and Non-Governmental Organizations. The calendar events have been grouped and colour coded as follows;
ENC Data Protection
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
ENCWG
ENC STANDARDS MAINTENANCE WORKING GROUP
GEBCO
JOINT IHO-IOC GUIDING COMMITTEE FOR THE GENERAL BATHYMETRIC CHART OF THE OCEANS
International Organizations Documents related to the IHO
Some relevant documents of the following International Organizations have been included in this section.
S-100 Sea Trials and Testbeds
To test the effectiveness and readiness of S-100 prior to its implementation, several IHO Member States have conducted sea trials and testbeds. During these trials, mariners experience S-100 in real-life conditions and provide feedback in order to identify areas for improvement and achievements. The following are some of the results obtained so far:
CSB Tools Workshop 2026
Have you considered how your boat's depth soundings could contribute to global databases or local maps? Or how your hardware or software company could support crowdsourced bathymetry (CSB) efforts? If so, and whether you are exploring how to collect and use this data or are already involved in CSB, this workshop is for you!
A4 Industry Exhibition
A key element of the IHO Assembly is the Industry Exhibition, which provides the private sector with a unique opportunity to showcase their technology and expertise to the global hydrographic community, all in one place.
