NOAA ENC

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

US4AK7CD - ALASKA 


INDEX:
NOTE A
POLLUTION REPORTS
CAUTION - TEMPORARY CHANGES
AIDS TO NAVIGATION
SUPPLEMENTAL INFORMATION
AUTHORITIES
RADAR REFLECTORS
WARNING - PRUDENT MARINER
WARNING - BATHYMETRY FROM SMALLER SCALES
COLREGS, 80.1705 (see note A)
ADDITIONAL INFORMATION
TIDAL INFORMATION


NOTES:
NOTE A
Navigation regulations are published in Chapter 2, U.S. Coast Pilot 9.  Additions or revisions to Chapter 2 are published in the Notice to Mariners.  Information concerning the regulations may be obtained at the Office of the Commander, 17th Coast Guard District in Juneau, Alaska, or at the Office of the District Engineer, Corps of Engineers in Anchorage, Alaska. Refer to charted regulation section numbers.


POLLUTION REPORTS
Report all spills of oil and hazardous substances to the National Response Center via 1-800-424-8802 (toll free), or to the nearest U.S. Coast Guard facility if telephone communication is impossible (33 CFR 153).


CAUTION - TEMPORARY CHANGES
Temporary changes or defects in aids to navigation are not indicated. See Local Notice to Mariners.


AIDS TO NAVIGATION
Consult U.S. Coast Guard Light List for supplemental information concerning aids to navigation.


SUPPLEMENTAL INFORMATION
Consult U.S. Coast Pilot 9 for important supplemental information.


AUTHORITIES
Hydrography and topography by the National Ocean Service, Coast Survey, with additional data from the Corps of Engineers, Geological Survey, and National Geospatial-Intelligence Agency.


RADAR REFLECTORS
Radar reflectors have been placed on many floating aids to navigation. Individual radar reflector identification on these aids has been omitted from this chart.


WARNING - PRUDENT MARINER
The prudent mariner will not rely solely on any single aid to navigation, particularly on floating aids. See U.S. Coast Guard Light List and U.S. Coast Pilot for details.


WARNING - BATHYMETRY FROM SMALLER SCALES
Hydrography is from smaller scale sources. Positions of all depths are approximate. Depths between soundings can only be inferred. Uncharted shoals, features, and large depth anomalies may exist in these areas, especially in areas of irregular relief.


COLREGS, 80.1705 (see note A)
International Regulations for Preventing Collisions at Sea, 1972. The entire area of this chart fall seaward of the COLREGS Demarcation Line.


ADDITIONAL INFORMATION
Additional information can be obtained at www.nauticalcharts.noaa.gov


TIDAL INFORMATION
For tidal information see the NOS Tide Table publication or go to https://tidesandcurrents.noaa.gov/.


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