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U.S. Chart No. 1 Symbols, Abbreviations And Terms Used On Paper And Electronic Navigational Charts 12th Edition, April 15, 2013
New in Edition 12: ECDIS Symbols and Other ECDIS Information
Symbology for displaying Electronic Navigational Charts (ENCs) on an Electronic Chart Display and Information System (ECDIS) has been added to U.S. Chart No. 1. See the
Preface and Introduction sections for more details.
PREFACE
Presentation of Two Symbology Sets
This edition of U.S. Chart No. 1 has a new name and a new look. Its title is now Symbols,
Abbreviations and Terms used on Paper and Electronic Navigational Charts. For
the first time, U.S. Chart No. 1 presents both of the major symbology sets used for
marine navigation.
As in previous editions, the symbols used on paper nautical charts produced by the
National Oceanic and Atmospheric Administration (NOAA) and the National Geospatial-
Intelligence Agency (NGA) and digital raster representations of those charts, such
as NOAA Raster Nautical Charts (NOAA RNCs®), are presented in lettered sections
organized in categories, such as Landmarks, Depths, and Lights. New in this edition
is the inclusion of the corresponding symbols used to portray Electronic Navigational
Chart (ENC) data on Electronic Chart Display and Information Systems (ECDIS) as
specifi ed by the International Hydrographic Organization (IHO).
Other Non-ECDIS Digital Displays May Portray Data Differently
Navigation systems certifi ed to meet the exacting performance standards established
by the International Maritime Organization (IMO) are said to be ECDIS “type approved.”
The symbology used to display ENCs or other non-ENC nautical navigational data on
non-ECDIS systems, such as geographic information systems, recreational GPS and
other chart display systems can differ signifi cantly from the symbology specifi ed for
ECDIS type approved systems. U.S. Chart No. 1 only shows the symbology used on
ECDIS.
Symbology for displaying Electronic Navigational Charts (ENCs) on an Electronic Chart Display and Information System (ECDIS) has been added to U.S. Chart No. 1. See the
Preface and Introduction sections for more details.
PREFACE
Presentation of Two Symbology Sets
This edition of U.S. Chart No. 1 has a new name and a new look. Its title is now Symbols,
Abbreviations and Terms used on Paper and Electronic Navigational Charts. For
the first time, U.S. Chart No. 1 presents both of the major symbology sets used for
marine navigation.
As in previous editions, the symbols used on paper nautical charts produced by the
National Oceanic and Atmospheric Administration (NOAA) and the National Geospatial-
Intelligence Agency (NGA) and digital raster representations of those charts, such
as NOAA Raster Nautical Charts (NOAA RNCs®), are presented in lettered sections
organized in categories, such as Landmarks, Depths, and Lights. New in this edition
is the inclusion of the corresponding symbols used to portray Electronic Navigational
Chart (ENC) data on Electronic Chart Display and Information Systems (ECDIS) as
specifi ed by the International Hydrographic Organization (IHO).
Other Non-ECDIS Digital Displays May Portray Data Differently
Navigation systems certifi ed to meet the exacting performance standards established
by the International Maritime Organization (IMO) are said to be ECDIS “type approved.”
The symbology used to display ENCs or other non-ENC nautical navigational data on
non-ECDIS systems, such as geographic information systems, recreational GPS and
other chart display systems can differ signifi cantly from the symbology specifi ed for
ECDIS type approved systems. U.S. Chart No. 1 only shows the symbology used on
ECDIS.
Kindle Edition
First published October 30, 2013
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