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ENC Data Protection S-57

Introduction The IHO Data Protection Scheme defines security constructs and operating procedures that must be followed by Data Servers (providers of data) and Data Clients (systems that use the data). The purpose of data protection scheme is to provide: 1. Piracy Protection: i.e. to prevent unauthorised use of data by encrypting the ENC information. 2. Selective Access: i.e. to restrict access to ENC information to only those cells that a customer has been licenced for. 3. Authentication: i.e to provide assurance that the ENC data has come from approved sources

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 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.

USCHC46 Meeting (2023)

46th US/Canada Hydrographic Commission (USCHC) Meeting Alabama, 16-17 March 2023

USCHC44 Meeting (2021)

44th US/Canada Hydrographic Commission (USCHC) Meeting VTC, 18-19 March 2021

SAIHC17 (2020)

17th SAIHC Conference Video Tele Conference (VTC) and 9th SAIHC INT Chart Coordination Working Group (ICCWG)