Section 165.1401 - Apra Harbor, Guam-safety zones(a)Location.(1) The following is designated Safety Zone A: The waters of Apra Outer Harbor encompassed within an arc of 1,000 yards radius centered at the center of Naval Wharf Kilo, located at 13 degrees 26'44.5" N and 144 degrees 37'50.7" E. (Based on World Geodetic System 1984 Datum).(2) The following is designated Safety Zone B: The waters of Apra Outer Harbor encompassed within an arc of 1,400 yards radius centered at the center of Naval Wharf Kilo, located at 13 degrees 26'44.5" N and 144 degrees 37'50.7" E. (Based on World Geodetic System 1984 Datum).(b)Special regulations.(1) Safety Zone A, described in paragraph (a) of this section, will only be enforced when Naval Wharf Kilo, or a vessel berthed at Naval Wharf Kilo, is displaying a red (BRAVO) flag by day or a red light by night, accompanied by a "SAFETY ZONE A" sign.(2) Safety Zone B, described in paragraph (a) of this section, will only be enforced when Naval Wharf Kilo, or a vessel berthed at Naval Wharf Kilo, is displaying a red (BRAVO) flag by day or a red light by night, accompanied by a "SAFETY ZONE B" sign.(3) Under general regulations in § 165.23 , entry into the zones described in paragraph (a) of this section is prohibited unless authorized by the Captain of the Port, U.S. Coast Guard Forces Micronesia/Sector Guam.USCG-2013-0935, 80 FR 1338, Jan. 9, 2015, as amended by USCG-2022-0429, 87 FR 48446, Aug. 9, 2022 As amended by USCG-2022-0429, 87 FR 48446, 8/9/2022