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This document outlines the responses from various Regional Hydrographic Commissions (RHCs) regarding the production, consistency, and distribution of Electronic Navigational Charts (ENCs) as related to letters from the International Hydrographic Organization (IHO). It covers the status of ENC production across various regions such as NSHC, NHC, BSHC, and others, highlighting areas of adequate coverage as well as those lacking, including discussions about small- and large-scale production. Consistency checks by RENCs are also addressed.
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ENC Production,Consistency & Distribution Replies to WEND Letter 1/2006 & 2/2006
RHC Replies Replied No Reply No RHC
NSHC, NHC, BSHC & MBSHC Producers Produces Produces (not distributed) Bilateral Production No Production
NSHC, NHC & BSHC Coverage Amsterdam/Ijmuiden not covered Per HELCOM Iceland 30% Small Scale 0% Large Scale North Sea 95% Small Scale All distribution and Consistency checked by RENCs
MBSHC Coverage Producer Countries have adequately covered their Ports Small Scale Production Under discussion Distributed and consistency Checked by RENCs Some overlap issues
EAtHC & SAIHC Producers Produces Bilateral Production No Production Produces (not updated)
EAtHC Coverage Overview & General Usage per INT Chart Port ENC Available
SA&IHC Coverage Overview & General Usage per INT Chart Port ENC Adequate
NIOHC & RSAHC Producers Produces No Production Produces (not updated)
NIOHC & RSAHC Coverage Small Scale under production C-Map provides exclusive distribution in some areas Port ENC Adequate Port ENC Inadequate
SWPHC Producers Produces No Production Bilateral Production
SWAtHC Coverage Port ENC Available