NOAA ENCŪ

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

US5AK7TM - ATKA ISLAND, WESTERN PART 

INDEX:
AUTHORITIES
SUPPLEMENTAL INFORMATION
POLLUTION REPORTS
CAUTION - TEMPORARY CHANGES
RADAR REFLECTORS
NOTE A
COLREGS, 80.1705 (see note A)
WARNING - PRUDENT MARINER
ADMINISTRATION AREA
TIDAL INFORMATION
ADDITIONAL INFORMATION


NOTES:
AUTHORITIES
Hydrography and topography by the National Ocean 
Service and Coast Survey with additional data from the 
Geological Survey.


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


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 com-
munication is impossible (33 CFR 153).


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


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.


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.


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.


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.


ADMINISTRATION AREA
The entire extent of this ENC cell falls within the limits of an Administration Area. This area
covers land, internal waters, and territorial sea.  The territorial sea is a maritime zone which
the United States exercises sovereignty extending to the airspace as well as to its bed and subsoil.
For more information, please refer to the Coast Pilot.


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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