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Last updated: 31.03.2021

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Inland Electronic Navigational Chart (IENC) means the database, standardised as to content, structure and format, for use with inland electronic chart display and/ or information systems operated on board of vessels, transiting inland waterways. An Inland ENC is issued by or on the Authority of a competent government agency and conforms to standards [initially] developed by the International Hydrographic Organisation (IHO) and [refined by] the Inland ENC Harmonisation Group. An Inland ENC contains all the chart information necessary for safe navigation on inland waterways and may contain supplementary information in addition to that contained in the paper chart (e.g. sailing directions, machine-readable operating schedules, etc.) which may be considered necessary for safe navigation and voyage planning.

(Source: The Inland ENC Harmonisation Group.)

Previous definition(s)

Inland Electronic Navigational Chart (Inland ENC) means the data base, standardised as to content, structure and format, issued for use with Inland ECDIS. The Inland ENC complies with the IHO standards S-57 and S-52, enhanced by the additions and clarifications of this standard for Inland ECDIS. The Inland ENC contains all essential chart information and may also contain supplementary information that may be considered as helpful for navigation. (Source: CCNR Inland ECDIS Standard; Edition 2.0/23/11/2006)

Inland ECDIS