Chart correction N18/24 — chart 93710
93710 4Ed. 04/27/13 LAST NM N10/24 N18/24 Delete Dangerous wreck 20°57.8′N 110°38.6′E Substitute Depth 9.9 meters Wk [K26] for depth 5.8 meters Wk 21°01.8′N 110°41.8′E Depth 0.5 meter Wk [K26] for depth 1.1 meters Wk 21°01.6′N 110°36.5′E Change Characteristic of front range light to Iso W 4s 21°03.5′N 110°33.0′E Add Rear range light Iso W 4s 78m 15M 21°03.6′N 110°31.7′E Range line extending in 096.8° direction from above light dashed for 3.8 miles 21°03.6′N 110°31.7′E Legend "Lts in line 276.8°" along above range line 21°03.3′N 110°35.0′E (10(360), 14(532)24 Tianjin) SECTION I NM 18/24 I - 1.5
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 04/27/13
Reference information — always verify against official Notices to Mariners before navigation.