Chart correction N42/23 — chart 93721

93721   7Ed.  03/30/19  LAST  NM  N41/23  N42/23 Substitute Depth 6 meters for depth 6.8 meters   22°18′05″N  113°51′50″E Add Depth 5 meters   22°19′14″N  113°51′54″E Depth 4.4 meters   22°19′05″N  113°51′51″E and extend depth contour (5-meter) and blue tint SE to enclose above depths (2) Depth 6.2 meters   22°17′30″N  113°51′39″E Depth 16.7 meters   22°27′04″N  113°52′46″E (16(25), 20(35)23 Hong Kong)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 03/30/19

Reference information — always verify against official Notices to Mariners before navigation.