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Summary
Name	S-57 Electronic Navigational Chart
Version	3.1
Other names
Identifiers	PUID: fmt/1935
Family
Classification	GIS
Disclosure
Description	S-57 is a file format for the exchange of hydrographic data developed by the International Hydrographic Organization. S-57 is based on the ISO/IEC 8211 "Specification for a data descriptive file for information interchange." S-57 Edition 3.1 was published in 2000 and supersedes the 1996 edition 3.0. Electronic Navigational Charts are vector data sets of all the objects (points, lines, and areas) represented on a chart in a digital database. The file extensions for S-57 are sequentially numbered from .000 upwards, with .000 representing the base data file and further files representing updated data to the base file. For brevity only extensions .000 to .005 are currently associated with this PRONOM entry, however this can be extended as needed.
Orientation
Byte order
Related file formats	None.
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Preservica / Preservica
Source date	19 Oct 2023
Source description
Last updated	19 Oct 2023
Note	A specification for S-57 Edition 3.1 can be found here: https://iho.int/uploads/user/pubs/standards/s-57/31Main.pdf