NOAA ENC

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

US3AK72M - NEAR ISLANDS, INGENSTREM ROCKS TO ATTU ISLAND


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


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


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


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


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.


AUTHORITIES
Hydrography (from surveys of 1943-48) and topography by the National Ocean Service, Coast Survey, with additional data from the Corps of Engineers, Geological Survey, and U.S. Coast Guard.


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.


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).


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


CAUTION - LIMITATIONS
Limitations on the use of radio signals as aids to marine navigation can be found in the U.S. Coast Guard Light Lists and National Geospatial-Intelligence Agency Publication 117.Radio direction-finder bearings to commercial broadcasting stations are subject to error and should be used with caution.



TIDAL INFORMATION
For tidal information see the NOS Tide Table publication or go to http://co-ops.nos.noaa.gov


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


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