Attachment_I_-_Echarts_Information.pdf
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- NAVCEN Navigational Charts to CD-DVD Format
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- 70Z07918QMNJ00100
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Attachment I - Echarts Information. This attachment is submitted for informational purposes only.
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70Z07918MNJ00100
Echarts - Electronic Navigational Chart https://www.nauticalcharts.noaa.gov/mcd/enc/index.htm
Distribution of NOAA ENCs NOAA ENCs are available as free downloads from the Internet. Mariners who wish to download NOAA ENCs directly and use the data to fuel ECDIS or ECS may do so.
In October 2005, NOAA created a new mechanism for distributing NOAA ENCs. NOAA announced certification requirements with standards for applicants who want to redistribute NOAA ENCs as official data.
Two types of certification are offered.
• The first type, Certified NOAA ENC Distributor (CED), covers NOAA ENC downloading, exact copying, and redistribution of those copies.
• The second type, Certified NOAA ENC Value Added Distributor (CEVAD), permits reformatting official NOAA ENCs into a System Electronic Navigational Chart (SENC) using type-approved software, and distribution of that SENC. NOAA intends by this action to assure that, though redistributed, quality official NOAA ENC data is offered to the public in support of safe navigation on U.S. waters.
In order for an electronic chart to gain type approval as an ECDIS, it must be fueled by official ENC data.
However, ENC data is not only for ECDIS use. ENCs can fuel any ECS that reads the S-57 format. Private vendors are free to download NOAA ENC data, reformat it into a proprietary format, and then resell that data.
https://www.nauticalcharts.noaa.gov/mcd/enc/index.htm
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