NOAA ENC®

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

US4SP08M - PLANS IN THE MARIANA ISLANDS

INDEX:
SYMBOLS AND ABBREVIATIONS
AUTHORITIES
AIDS TO NAVIGATION
NOTE A
WARNING – PRUDENT MARINER
POLLUTION REPORTS
SUPPLEMENTAL INFORMATION
CAUTION
NOTE
RADAR REFLECTORS
NOAA WEATHER RADIO BROADCASTS
ADDITIONAL INFORMATION
TIDAL INFORMATION
ADMINISTRATION AREA


SYMBOLS AND ABBREVIATIONS: For Symbols and Abbreviations see Chart no. 1.

AUTHORITIES: Hydrography and topography by the National Ocean Service, Coast Survey, with additional data from 
the U.S. Navy and Japanese surveys.

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

NOTE A: Navigation regulations are published in Chapter 2, U.S. Coast Pilot 7.  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, 14th Coast Guard District in Honolulu, Hawaii or at the Office of the District 
Engineer, Corps of Engineers in Honolulu, Hawaii.
Refer to Code of Federal Regulations section numbers. 

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.

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).

SUPPLEMENTAL INFORMATION: Consult U.S. Coast Pilot 7 for important supplemental information.

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

NOTE: Profile of island reported changed by violent volcanic eruption (1943).

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

NOAA WEATHER RADIO BROADCASTS: The NOAA Weather Radio station listed below provides continuous weather 
broadcasts.  The reception range is typically 20 to 40 nautical miles from the antenna site, but can be as much 
as 100 nautical miles for stations at high elevations.

Saipan		WXM-86		162.550 MHz

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 http://co-ops.nos.noaa.gov

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



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