Office of Coast Survey
National Oceanic and Atmospheric Administration
U.S. Department of Commerce

U.S. Chart No. 1 (Chart Symbols)

The Symbol Legend for all U.S. Nautical Chart Products

U.S. Chart No. 1 describes the symbols, abbreviations, and terms used on nautical charts. It is produced by NOAA and the National Geospatial-Intelligence Agency. The symbols for paper charts and their analogous digital products, such as NOAA raster navigational charts (NOAA RNC®) are shown, as well as the symbols used to portray NOAA electronic navigational charts (NOAA ENC®) data on Electronic Chart Display and Information Systems (ECDIS).

Free copies of U.S. Chart No. 1 (pdf) are available to download above.

Obtain a Paper Version of U.S. Chart No. 1

Paper copies of U.S. Chart No.1 may be purchased from a NOAA certified printer.

Revised: 10/2/2017