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S-100 Product specification glossary

The following product specifications are based on the S-100 Universal Hydrographic Data Model guidelines and definitions. The International Hydrographic Organization publishes all the standards and specifications for official S-100 products.

S-101 Electronic Navigational Chart (ENC)
The S-101 is the next standard for electronic navigational charts, which will replace the S-57 format. This is the base navigational layer.
S-102 Bathymetric Surface
The S-102 Bathymetric Surface is a digital elevation model representing the seafloor in a regular grid structure. The purpose of S-102 Bathymetric Surface is to provide high resolution bathymetry in a gridded form to support safe navigation. There will be 3 different resolutions of S-102 bathymetric products produced by CHS. The CHS’ Non-Navigational (NONNA) Bathymetric Data is a bathymetric surface product offered for free for non-navigational use.
S-104 Water Level Information for Surface Navigation
S-104 Water level information for surface navigation products are based on a grid and have a dynamic component. It can contain real-time water level or computed hind cast or forecast from hydrodynamic models. The S-104 datasets are provided for fixed stations, a regular grid or an irregular grid.
S-111 Surface Currents
The S-111 Surface Current products provide a layer of information on the direction and velocity of the surface currents. The gridded coverage is produced by hydrographic modeling, at different levels of resolution.
S-121 Maritime Limits and Boundaries
S-121 Maritime Limits and Boundaries products are intended for the encoding and exchange of digital maritime boundary information; including maritime limits, zones and boundaries as described under the United Nations Convention on the Law of the Sea (UNCLOS). The CHS has contributed to the standard.
S-122 Marine Protected Areas (MPA)
The S-122 product specification is intended to encode Marine Protected Area (MPA) information for use in Electronic Chart Display and Information System (ECDIS) and other information systems. MPAs are protected areas of seas, oceans, estuaries, or large lakes. Marine Protected Area information may be considered supplementary additional information that complements the S-101 ENC.
S-123 Marine Radio Services
S-123 Marine Radio Services indicating the location, availability, type of radio communications, frequencies and content of radio services for navigational information and other maritime radio communications. Radio services information is considered supplementary additional information that complements the S-101 ENC.
S-124 Navigational Warnings
This product specification is developed for creating datasets containing navigational warning information primarily targeting use in ECDIS. Navigational warning means a message containing urgent information relevant to safe navigation broadcast to ships in accordance with the provisions of the International Convention for the Safety of Life at Sea (SOLAS), 1974, as amended.
S-127 Marine Traffic Management
Product specification for vessel traffic services, pilotage, routeing systems and ship reporting systems. Marine traffic management information is considered supplementary additional information that complements the S-101 ENC.
S-128 Catalogues of Nautical Products
Product specification for the exchange of catalogues of nautical products. It includes information about the available S-100 based digital products and access metadata. It refers to all of the S-xxx products and services produced for distribution by the government of Canada.
S-129 Under Keel Clearance Management (UKCM)
This product specification is intended to provide a suitable format for the exchange of digital data pertaining to maritime safety and efficiency of marine traffic. It contains the necessary attribution features to enable the exchange of information between an Under Keel Clearance Management System and an onboard navigation system such as Electronic Chart Display and Information System (ECDIS).
S-131 Marine Harbour Infrastructure
The Marine Harbour Infrastructure product is intended to raise situational awareness before approaching a harbour. S-131 supports berth-to-berth planning and offers possibilities to supply detailed contextual information and additional local water depth information beyond what is available in navigational charts (e.g. ENC and S-102).
S-201 Aids to Navigation Information
The S-201 Aids to Navigation (AtoN) Information product specification provides a common structure for the exchange of information about AtoNs. This includes buoys, beacons, racons, lights, sound signals and Automatic Identification System (AIS). The product contains the positions, properties, operational status and general comments related to an AtoN. The S-201 product specification can be used to exchange AtoN information in a consistent form between Lighthouse Authorities, Hydrographic Offices and other organizations, including commercial and professional agencies.
S-411 Sea Ice Information
The S-411 Sea Ice Information product specification is a vector product specification that is primarily intended for encoding the extent and nature of sea ice for navigational purposes. Product data is provided in the Geography Markup Language (GML) encoding format. Sea ice information may be considered supplementary additional information that complements the S-101 ENC.
S-412 Weather Overlay
The features portrayed in the S-412 Weather Overlay are designed to replicate and enhance the radiofax charts currently being used by mariners.
S-413 Weather and Wave Conditions
Weather and Wave Conditions – meteorological forecasts of Marine Safety Information (MSI). Temporary overlay to validate safety and efficiency of route execution.
S-414 Weather and Wave Observations
Weather and Wave Observations – meteorological observations of MSI. Temporary overlay to validate safety and efficiency of route execution.
S-421 Route Plan
The Route Plan is a key element of a vessel's voyage and can be used to optimize safety and processes, as well as for the interaction of participants and stakeholders. The core element of the voyage plan is the route. The product specification defines all requirements to which route plan data products shall conform.
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