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A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, it may show depths of water (bathymetry) and heights of land (topography), natural features of the seabed, details of the coastline, navigational hazards, locations of natural and ...
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. This chart is available on the OpenSeaMap website, and can also be downloaded for use as an electronic chart for offline applications. [1] The project is part of OpenStreetMap.
Raster Navigational Charts ( RNC's) are created by the National Oceanic and Atmospheric Administration (NOAA) of the United States Government. Each original chart is scanned at high resolution with color separate overlays. The raster file also contains data that is Geo-referencing; enabling computer based navigation attached to a GPS to locate ...
Publisher. National Ocean Service. United States Coast Pilot is a ten-volume American navigation publication distributed yearly by the Office of Coast Survey, a part of the National Oceanic and Atmospheric Administration 's National Ocean Service. The purpose of the publication is to supplement nautical charts of the waters of the United States.
The inland and intracoastal waterways of the eastern United States. The inland waterways of the United States include more than 25,000 mi (40,000 km) of navigable waters. Much of the commercially important waterways of the United States consist of the Mississippi River System —the Mississippi River and connecting waterways.
The U.S. Navy's Bureau of Navigation was established in 1862 as part of the reorganization of the Navy Department. Principal responsibilities were to provide nautical charts and instruments and to oversee several activities involved navigation research, including the Naval Observatory. In 1889, the Bureau gained responsibilities for personnel ...
The United States Hydrographic Office ( USHO) prepared and published maps, charts, and nautical books required in navigation . The office was established by an act of 21 June 1866 as part of the Bureau of Navigation, Department of the Navy . It was transferred to the Department of Defense on 10 August 1949. The office was abolished on 10 July ...
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