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, 11th Coast Guard District in Alameda, California or at the Office of the District Engineer, Corps of Engineers in Los Angeles, California. Refer to charted regulatio section numbers. NOTE C SECURITY ZONES, charted in magenta, are designated by the U.S. Coast Guard Captain of the Port, San Diego, California, to safeguard vessels or waterfront facilities from destruction, loss or injury from sabotage or other subversive acts, accidents or other causes of a similar nature. Under 33 CFR 165.33, no person or vessel may enter or remain in a Security Zone without the permission of the Captain of the Port. RESTRICTED AREAS, charted by T-dashed boundaries are designated by the U.S. Army Corps of Engineers in 33 CFR 334. Vessels transiting Restricted Areas may not moor, anchor, fish, loiter, swim, or water ski in those areas. If an emergency requires departure from this prohibition, the Captain of the Port must be notified immediately. The Captain of the Port may be reached on channel 16, marine VHF radio.