> For the complete documentation index, see [llms.txt](https://ienc.openecdis.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ienc.openecdis.org/presentations-inland-encs-and-iehg.md).

# Presentations: Inland ENCs and IEHG

The Inland ENC Harmonization Group (IEHG) provides a presentation about:

1. Inland waterways 
2. Why are ENCs not sufficient? (voyage planning) 
3. Definition of Inland ENC 
4. S-100 approach 
5. New and copied features, attributes, enumerations 
6. Encoding Guide for Inland ENCs 
7. Usages and overlays 
8. Product Specification for Inland ENCs 
9. Depth data and water levels 
10. IEHG and IHO 
11. Regulatory status 
12. Coverage 
13. Users of Inland ENCs

The presentation is available in English, Spanish, Portuguese and German.

{% file src="/files/30wIa3GHxfbsp4VGpqdz" %}
Inland ENC English (last update 2025 08 06)
{% endfile %}

{% file src="/files/phkSGXGlbZw23n3sQbOV" %}
Inland ENC Espanol
{% endfile %}

{% file src="/files/LIxMxwqOtjyT7K4Auwc1" %}
Inland ENC Português
{% endfile %}

{% file src="/files/aqCN63G7UUbk0Qap1bUZ" %}
Inland ENC German
{% endfile %}

{% file src="/files/N5H29R5pYSXbF4NZR2Pz" %}
Inland ENC French
{% endfile %}

{% file src="/files/5tTNP8p7muHz1dzfrwPL" %}
Inland ENC Dutch
{% endfile %}