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ENC Portrayal S-57
Introduction IHO Publication S-52 was developed in conjunction with the IMO Performance Standards for Electronic Chart Display and Information System (ECDIS). It provides specifications and guidance regarding the issuing and updating of Electronic Navigational Charts (ENC), and their display in ECDIS in terms of symbols and colours.
S-57 FAQ's
S-57 Frequently Asked Questions
S-57 Encoding Bulletins
S-57 Edition 3.1 Encoding Bulletins
S-57 ENC Production
Introduction The S-57 "Transfer Standard for Digital Hydrographic Data” is the IHO standard to be used for the exchange of digital hydrographic data between national hydrographic offices and for its distribution to manufacturers, mariners and other data users.
ENC & ECDIS
Introduction SOLAS regulations V/18 and V/19 requires that, to meet requirements for carrying charts (in terms of SOLAS), the Electronic Chart Display and Information System (ECDIS) equipment must conform to the relevant IMO performance standards. IMO resolution MSC.530(106) applied to S-100 ECDIS and thus in addition to S-57 based standards in force units must also comply with the following:
USCHC46 Meeting (2023)
46th US/Canada Hydrographic Commission (USCHC) Meeting Alabama, 16-17 March 2023
USCHC45 Meeting (2022)
45th US/Canada Hydrographic Commission (USCHC) Meeting Ottawa, 9-10 June 2022
USCHC44 Meeting (2021)
44th US/Canada Hydrographic Commission (USCHC) Meeting VTC, 18-19 March 2021
SAIHC17 (2021)
SAIHC17 Plenary VTC Meeting 3rd ~4th February 2021

