NAUTICAL CHART SYMBOLS GUIDE

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NAUTICAL CHART SYMBOLS & ABBREVIATIONS

SYMBOLS USED ON NAUTICAL CHARTS SPECIFIED BY THE INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO), PLUS INTERNATIONAL ABBREVIATIONS AND SUPPLEMENTARY NATIONAL SYMBOLS USED BY THE U.S. AND U.K. HYDROGRAPHIC OFFICES.

>>> FULL APP — AD FREE | NO IN-APP PURCHASES | NO SUBSCRIPTION

************ FEATURES and BENEFITS ************
- Perfect for reference, learning & revision
- Hi-res graphics
- Tap & Enlarge feature for greater detail
- Fully searchable index to all the symbols
- Always with you on your Phone or Tablet
- No internet connection needed

************ LATEST UPDATE INCLUDES ************
* Updated for current Android versions
* Save frequently used chart symbols to My Chart Symbols for quicker reference
* Jump back to recently viewed pages, with older pages neatly grouped in one menu
* Improved favourite and Home controls for clearer, more consistent navigation
* Refined layout and spacing throughout the app

************ Plus FREE Bonus Content from "Safe Skipper" ************  

"CHART SYMBOLS & ABBREVIATIONS" provides quick reference to the "INT 1" symbols specified by the International Hydrographic Organization (IHO) for use on International marine charts. 

There are five main sections in this app, each with lettered sub-sections organized into categories to guide users through the hundreds of symbols. The main sections are: 

GENERAL - chart layouts, positions, distances, directions and compass. 

TOPOGRAPHY - landmarks, ports and coastal land features. 

HYDROGRAPHY - tides, currents, depths, nature of the seabed, underwater obstructions, tracks, areas, limits and hydrographic terms. 

NAVIGATION AIDS & SERVICES - lights, buoys, fog signals, radar, radio, services and small craft facilities. 

INDEX & ABBREVIATIONS - international abbreviations and index to symbols and abbreviations. 

SUPPLEMENTARY NATIONAL SYMBOLS Supplementary National Symbols for nautical charts used by the United States and United Kingdom are included at the end of each section. 

************* FREE Bonus Content from "Safe Skipper" *****************************
A bonus section has tips on how to deal with emergencies including: Abandon ship; Dismasting; Distress Signals; Engine Failure; Fire Fighting; Flares; Getting a tow; Helicopter rescue; Holed hull; Man overboard; Medical emergency; Mayday; Panpan; Securité.

INDEX The index is an A-Z of symbols and abbreviations and enables the user to quickly look up the symbols and see them in context with others in the same categories. 

This app is based on the United Kingdom Hydrographic Office's print publication "Chart 5011 (INT 1) EDITION 2" Admiralty Charts Publication and "Chart No.1 United States of America Nautical Chart Symbols, Abbreviations and Terms". 

NOTE: ECDIS symbols used to display Electronic Navigational Chart (ENC) data on Electronic Chart Display and Information Systems (ECDIS) as specified by the IHO are not included on this app. 

We have an on-going program of marine navigation and boating safety apps, so please contact us with any ideas or features that you would like to see included. 

Safe boating!