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Finance Circular Letters

S-52 FAQ's

S-52 Frequently Asked Questions These frequently asked questions (FAQ) address issues that relate to the S-52 standard and the portrayal of colours and symbols in ECDIS.

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.

WENDWG Letters

MSDIWG Letters

Project Teams

HCA Letters

NIOHC Letters

MACHC23 (2022)

23rd Meeting of the MACHC 28 November - 2 December 2022 Saint Louis, Missouri, USA