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- The next step for Electronic Navigational Charts 


What is S-100?

The standard for Electronic Navigational Charts that soon will bring huge benefits to shipping! 

The International Hydrographic Organization (IHO) has developed a new standard for electronic navigational charts (ENCs) called S-100. This standard defines the data format, structure and content for the production of large scale professional vector charts. It also includes specifications for the production of raster charts, chart catalogs and chart catalog services, as well as for chart updates. The S-100 standard is designed to meet the needs of a wide range of users, from recreational boaters to professional navigators. It is expected to become the new global standard for ENCs in the near future.

Main benefits from the new standard

The S-100 standard offers a number of benefits for maritime companies. These include improved data quality and accuracy, greater operational efficiency, and increased safety and security. It provides an open platform for exchanging data, allowing for more interoperability between different maritime software systems. It also enables the development of new applications and services that can be used to improve efficiency, reduce costs, and increase customer satisfaction. Finally, the S-100 standard simplifies the process of maintaining and updating ENCs, making the software development process much more efficient and cost-effective.

Text about the industry leaders working together to get the best possible transition to the new generation of maritime charts. Collaborating towards preparedness and rapid indystry-wide adaptation of S-100.

Collaboration and partnerships strenghtens the S-100 project


General Document 

  • S-97 Guidelines for Creating S-100 Produt Specificatioins

  • S-98 Data Product Interoperability in S-100 Navigational Systems

  • S-99 Operational Procedures for the Organization and Management of the IHO GI registry

  • S-100 IHO Universal Hydrographic Data Model

International Hydrographic Organization (IHO) (S-101 to S-199)

  • S-101 Electronic Navigational Chart (ENC)

  • S-102 Bathymetric Surface

  • S-103 Sub-surface Navigation 

  • S-104 Water Level Information for Surface Navigation 

  • S-111 Surface Currents

  • S-112 Open - (See Decision HSSC9/38)

  • S-121 Maritime Limits and Boundaries

  • S-122 Marine Protected Areas

  • S-123 Marine Radio Services

  • S-124 Navigational Warnings 

  • S-125 Marine Aids to Navigation (AtoN) 

  • S-126 Marine Physical Environment 

  • S-127 Marine Traffic Management

  • S-128 Catalogue of Nautical Products 

  • S-129 Under Keel Clearance Management (UKCM) 

  • S-130 Polygonal Demarcations of Global Sea Areas 

  • S-131 Marine Harbour Infrastructure 

  • S-164 IHO Test Data Sets for S-100 ECDIS


International Association of Marine Aids to Navigation and Lighthouse (IALA) (S-201 to S-299)

  • S-201 Aids to Navigation Information

  • S-210 Inter-VTS Exchange Format

  • S-211 Port Call Message Format

  • S-212 VTS Digital Service

  • S-230 Application Specific Messages

  • S-240 DGNSS Station Almanac

  • S-245 eLoran ASF Data

  • S-246 eLoran Station Almanac

  • S-247 Differential eLoran Reference Station Almanac

Intergovernmental Oceanographic Commission (IOC) (de S-301 to S-399)

  • (None proposed yet)

Inland ENC Harmonization Group (IEHG) (S-401 to S-402)

  • S-401 IEHG Inland ENC

  • S-402 IEHG Bathymetric Inland ENC

WMO Service Commission (SERCOM) (S-411 to S414)

  • S-411 Ice Information

  • S-412 Weather and Wave Hazards

  • S-413 Weather and Wave Conditions

  • S-414 Weather and Wave Observations

International Electrotechnical Commission - TC80 (IEC-TC80) (S-421 to S-430)

  • S-421 Route Plan

The different S-100 libraries

Supported Standards

  • IMO Performance Standards, IEC 61174, IEC 62288, IEC 61162, IEC 62923, IHO S-52, IHO S-57, IHO S-64, IHO S-63

Are you looking to know more, or be a part of the project?

NAVTOR works with a range of research teams and organisations to ensure preparedness for the emerging standard.

If you are looking to collaborate - contact us.

Closeup image of hand on NavStation touch interface

S-100 wi

IHO S-100

NAVTOR is excited to be working on the implementation of the S-100 framework, 

including the development of our next-generation S-100 compliant SDK.

Articles about S-100 from NAVTOR:

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