Search NGA: Advanced Search  Find... Notice to Mariners Publications Broadcast Warnings ONI Reports ASAM Search AMSI Reports MODU Search Product Catalog Misc. Products  Act... Submit Report Subscribe to NtM Take a Survey  View... Nautical Calculators Geographic Locator DNC Homepage This is a U.S. Government system.  Before continuing, read this  disclaimer. Problems? Contact NGA.	Home FAQ Contact Info Related Links Menu Options Select... American Practical Navigator Atlas of Pilot Charts Chart No. 1 Distances Between Ports International Code of Signals NGA List of Lights Radar Navigation and Maneuvering Board Manual Radio Navigational Aids Sailing Directions Enroute Sailing Directions Planning Guides Sight Reduction Tables for Air Navigation Sight Reduction Tables for Marine Navigation USCG Light List World Port Index Chart No. 1 Chart No. 1 contains a description of the symbols, abbreviations and terms that appear on nautical charts produced by the National Geospatial-Intelligence Agency, the National Ocean Service and the International Hydrographic Organization. This publication is available in its entirety on the website.   Download Publication Complete Chart No. 1 (36 MB) Chapters Covers (2 MB) Title Pages (364 KB) Table of Contents (232 KB) Introduction (1 MB) Schematic Layout (255 KB) Section A - Chart Number, Title, Marginal Notes (1 MB) Section B - Positions, Distances, Directions, Compass (1 MB) Section C - Natural Features (3 MB) Section D - Cultural Features (2 MB) Section E - Landmarks (3 MB) Section F - Ports (2 MB) Section G - Topographic Terms (391 KB) Section H - Tides, Currents (861 KB) Section I - Depths (982 KB) Section J - Nature of the Seabed (795 KB) Section K - Rocks, Wrecks, Obstructions (1 MB) Section L - Offshore Installations (815 KB) Section M - Tracks, Routes (1 MB) Section N - Areas, Limits (1 MB) Section O - Hydrographic Terms (306 KB) Section P - Lights (1 MB) Section Q - Buoys, Beacons (2 MB) Section R - Fog Signals (277 KB) Section S - Radar, Radio, Electronic Position-Fixing Systems (832 KB) Section T - Services (1 MB) Section U - Small Craft Facilities (416 KB) Section V - Index of Abbreviations (1 MB) Section W - International Abbreviations (399 KB) Section X - List of Descriptors (744 KB) IALA Section (807 KB)
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