Essential: 11th Edition of US Chart No. 1Dec 13, 2011
A snapshot of the National Geospatial-Intelligence Agency, which helped produce the 11th Edition of the US Chart No. 1.
The 11th edition of US Chart No. 1, Nautical Chart Symbols, Abbreviations and Terms, is available for free download.
Any mariner new to chart reading will be greatly aided by the updated descriptions and depictions of National Oceanic and Atmospheric Administration (NOAA) and National Geospatial-Intelligence Agency (NGA) nautical symbols. The 11th edition of the US Chart No.1 now supersedes that of the November, 1997 edition.
The official announcement of the new edition is set to be made in the December 17th publication of US Notice to Mariners.
For more information on the US Chart No. 1 and the NOAA, please visit this link.