San Francisco Bay Region Regulated Navigational Area (RNA) All vessels loaded with cargo of liquefied hazardous gas (LHG) within this Regulated Navigation Area must proceed directly to their intended cargo reception facility to discharge their LHG cargo unless: (1) The vessel is otherwise directed or permitted by the Captain of the Port. The Captain of the Port can be reached as telephone number (415) 399-3547 or on VHF-FM channel 16 (156.8 MHz). If permission is granted, all persons and vessels must comply with the instruction of the Captain of the Port or his or her designated representative. (2) The vessel is in an emergency situation and unable to proceed as directed in paragraph (a) of this section without endangering the safety of persons, property, or the environment. NOTE A Navigation regulations are published in Chapter 2, U.S. Coast Pilot 7. Additions or revisions to Chapter 2 are pub- lished in the Notice to Mariners. Information concerning the regulations may be obtained at the Office of the Commander, 11th Coast Guard District in Alameda, California or at the Office of the District Engineer, Corps of Engineers in San Francisco, California. Refer to charted regulation section numbers.