Navigation General · Publications — Chart No. 1
U.S. Chart No. 1 is a publication that explains:
- ATide heights
- BRadio frequencies
- CSunrise/sunset times
- DThe symbols, abbreviations, and terms used on nautical charts✓ Correct
Explanation
Chart No. 1 is the key to charted symbols and abbreviations—colors, buoy/light symbols, depth and bottom notations, and feature abbreviations—so the mariner can correctly interpret any nautical chart.
Authority: NOAA/NGA Chart No. 1
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