S-100 (chart)

Last updated August 25, 2025

S-100 is an international standard that applies to the geospatial data used for Electronic Navigational Charts, first published by the IHO in 2010.^[1] Development was begun in 2001.^[2] S-100 has a number of child standards covering related areas,^[1] including:

S-101 - ENC Product Specification
S-102 - Bathymetric Surface Product Specification
S-104 - Water Level Information for Surface Navigation Product Specification
S-111 - Surface Currents Product Specification
S-121 - Maritime Limits and Boundaries Product Specification
S-122 - Marine Protected Areas
S-123 - Marine Radio Services
S-124 - Navigational Warnings
S-127 - Marine Traffic Management
S-128 - Catalogue of Nautical Products
S-129 - Under Keel Clearance Management
S-130 - Polygonal Demarkations of Global Sea Areas
S-131 - Marine Harbour Infrastructure

References

1 2 "Standards and Specifications | IHO". iho.int. Retrieved 2 April 2025.
↑ "S-100 Universal Hydrographic Data Model" (PDF). International Hydrographic Organisation. Retrieved 2 April 2025.

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[iho-1-1] 1 2 "Standards and Specifications | IHO". iho.int. Retrieved 2 April 2025.

[iho-2-2] "S-100 Universal Hydrographic Data Model" (PDF). International Hydrographic Organisation. Retrieved 2 April 2025.

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