PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT: The Papahanaumokuakea Marine National Monument and 
the Nihoa Island,Necker Island and French frigate Shoals Special Preservation Areas, are protected
areas. See 50 CFR 404 or Chapter 2, U.S. Coast Pilot 7. 

PARTICULARLY SENSITIVE SEA AREA (PSSA): A Particularly Sensitive Sea Area (PSSA)is an environmentally 
sensitive area in which and around which mariners should exercise extereme caution. See U.S. Coast Pilot 
voulumes for information regarding this area.

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