Chart correction N28/22 — chart 93721
93721 7Ed. 03/30/19 LAST NM N22/22 N28/22 Delete Buoy "F2" 22°32′47″N 113°47′37″E Buoy "F3" 22°33′30″N 113°47′08″E Buoy "F4" 22°33′26″N 113°47′00″E Buoy "F5" 22°34′05″N 113°46′46″E Buoy "F6" 22°34′00″N 113°46′39″E Buoy "F7" 22°34′51″N 113°46′17″E Buoy "F8" 22°34′47″N 113°46′09″E Buoy "F9" 22°35′17″N 113°46′01″E Bouy "F10" 22°35′16″N 113°45′51″E Buoy "F11" 22°36′09″N 113°45′28″E Buoy "F12" 22°36′05″N 113°45′20″E Buoy "F13" 22°36′50″N 113°45′03″E Buoy "F14" 22°36′46″N 113°44′55″E (See N35, N36, N39/21) Add Buoy "F2" R, pillar, Fl R 4s 22°32′43″N 113°47′45″E Buoy "F3" G, pillar, Fl G 4s 22°33′38″N 113°47′22″E Buoy "F4" R, pillar, Fl R 4s 22°33′33″N 113°47′13″E Buoy "F5" G, pillar, Fl G 4s 22°34′21″N 113°46′55″E Buoy "F6" R, pillar, Fl R 4s 22°34′11″N 113°46′50″E Buoy "F7" G, pillar, Fl G 4s 22°34′59″N 113°46′31″E Buoy "F8" R, pillar, Fl R 4s 22°34′53″N 113°46′23″E Buoy "F9" G, pillar, Fl G 4s 22°35′37″N 113°46′07″E Buoy "F10" R, pillar, Fl R 4s 22°35′14″N 113°46′10″E Buoy "F11" G, pillar, Fl G 4s 22°36′08″N 113°45′48″E Buoy "F12" R, pillar, Fl R 4s 22°36′04″N 113°45′39″E Buoy "F13" G, pillar, Fl G 4s 22°36′58″N 113°45′17″E Buoy "F14" R, pillar, Fl R 4s 22°36′53″N 113°45′08″E Designation "B6" to light 22°06′33″N 113°32′49″E (16(569), 18(667)22 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 03/30/19
Reference information — always verify against official Notices to Mariners before navigation.