Chart correction N23/20 — chart 93721
93721 7Ed. 3/30/19 LAST NM N22/20 N23/20 Delete Depth 5.1 meters 22°18′45″N 113°51′22″E Depth 5.6 meters 22°19′02″N 113°50′07″E Depth 3.9 meters 22°20′52″N 113°49′39″E Depth 2.4 meters 22°23′00″N 113°50′44″E Depth 2.2 meters 22°23′48″N 113°49′37″E Depth 2.2 meters 22°23′09″N 113°49′23″E Depth 3 meters 22°22′40″N 113°50′20″E Depth 3.6 meters 22°21′12″N 113°50′11″E Depth 14.1 meters 22°20′29″N 113°48′56″E Depth 14.6 meters 22°19′46″N 113°47′41″E Depth 4.9 meters, blue tint and enclosing depth contour (5-meter) in vicinity 22°19′15″N 113°50′40″E Depth 1.8 meters and enclosing depth contour (2-meter) in vicinity 22°23′28″N 113°49′47″E Depth 1.3 meters and enclosing depth contour (2-meter) in vicinity 22°22′39″N 113°49′33″E Relocate Buoy from 22°30′55″N 113°50′14″E to 22°30′43″N 113°50′24″E Add Depth 4.8 meters 22°18′51″N 113°51′25″E and extend depth contour (5-meter) and blue tint S to enclose Depth 5 meters 22°19′07″N 113°50′05″E and extend depth contour (5-meter) and blue tint E to enclose Depth 1 meter enclosed by depth contour (2-meter) centered 22°20′49″N 113°49′48″E Depth 1.8 meters 22°22′59″N 113°50′40″E Depth 1.8 meters 22°23′19″N 113°50′46″E and enclose above depths (2) with depth contour (2-meter) Depth contour (2-meter) joining 22°24′03″N 113°49′29″E 22°24′06″N 113°49′51″E 22°23′33″N 113°49′49″E 22°23′14″N 113°49′41″E 22°22′43″N 113°49′36″E 22°22′43″N 113°49′17″E and delete depth contour (2-meter) W of above depth contour Depth 1 meter 22°23′09″N 113°49′34″E Depth 1.5 meters 22°21′21″N 113°50′14″E Depth 17 meters 22°19′50″N 113°47′37″E Depth 17.6 meters 22°20′26″N 113°48′58″E Depth 1.6 meters enclosed by depth contour (2-meter) centered 22°22′40″N 113°50′23″E Depth 1.4 meters enclosed by depth contour (2-meter) centered 22°22′11″N 113°50′21″E Depth 1.8 meters enclosed by depth contour (2-meter) centered 22°19′59″N 113°48′16″E Depth 5 meters, blue tint and enclosing depth contour (5-meter) centered 22°19′33″N 113°50′29″E Depth 1.2 meters enclosed by depth contour (2-meter) centered 22°21′51″N 113°50′13″E Depth 33 meters Obstn [K41] 22°20′48″N 114°01′12″E Depth contour (2-meter) area joining 22°21′14″N 113°50′01″E 22°21′26″N 113°49′56″E 22°21′35″N 113°50′03″E 22°21′19″N 113°50′17″E Legend “Buoyed Channel” between 22°34′39″N 113°45′02″E 22°33′41″N 113°45′38″E Legend “Discontinuity between surveys” between 22°31′06″N 113°45′44″E 22°31′06″N 113°47′42″E Drying tint to area enclosed by depth contour (0-meter) radius 0.05 mile, centered 22°23′39″N 113°49′47″E (7(21)18 Hong Kong; 24(780)19, 14(454)20 Tianjin; HKG CH 1502; CHN CH 15431; UKHO ARCS 343-0)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 3/30/19
Reference information — always verify against official Notices to Mariners before navigation.