IHO Geospatial Information Registry


Product Information
Product ID S-101
Title Electronic Navigational Chart
Scope Global
Related links http://www.iho.int
Abstract An Electronic Navigational Chart (ENC) is a vector chart produced on the authority of a government authorized Hydrographic Office or other relevant government institution. Its primary purpose is for use within an Electronic Chart Display and Information Systems (ECDIS) to meet International Maritime Organization (IMO) and Safety of Life at Sea (SOLAS) chart carriage requirements. The ENC contains an extraction of real world information necessary for the safe navigation of vessels
Owner IHO
Domain IHO Hydro
Responsible body
Contact Jeff Wootton jeff.wootton@iho.int
Remarks S-101 Edition 1.2.0 is released for implementation and testing purposes only.

Version Information
Version Published
Uploader:Jeff Wootton/ S-101 ENC_Product_Specification_Edition 1.2.0_Final_Clean.pdf
Uploader:Jeff Wootton/ S-101 Annex A_DCEG Edition 1.2.0_Final_Clean.pdf
Uploader:Jeff Wootton/ S-101 Annex C_Validation Checks Ed 1.2.0_FINAL.xlsx
Version Date 2024-03-22
S-100 Version 5.1.0
Feature Catalogue Last published version of S-101 FC was version 1.2.1. Edition 1.2.2 was not published due to identified errors.
Uploader:Jeff Wootton/ S-101_FC_1.2.3.xml
Portrayal Catalogue Portrayal Catalogue Edition 1.2.3 is intended for use with S-101 Feature Catalogue Edition 1.2.3.
Uploader:Jeff Wootton/ S-101_Portrayal-Catalogue-1.2.3.zip