# 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="" %} Inland ENC English (last update 2025 08 06) {% endfile %} {% file src="" %} Inland ENC Espanol {% endfile %} {% file src="" %} Inland ENC Português {% endfile %} {% file src="" %} Inland ENC German {% endfile %} {% file src="" %} Inland ENC French {% endfile %} {% file src="" %} Inland ENC Dutch {% endfile %}