Chart correction N7/21 — chart 93710
93710 4Ed. 4/27/13 LAST NM N4/21 N7/21 Change Light to Fl W 5s 11m 7M 21°08.3′N 110°35.3′E Light to QW 13m 7M 20°51.9′N 110°35.1′E Light at beacon to Fl(2) W 5s 8m 7M 20°50.1′N 110°37.1′E Add AIS [S17.2] to buoy “No 0” 21°01.2′N 110°53.9′E (35(1441)17, 46(1635, 1636)20 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 4/27/13
Reference information — always verify against official Notices to Mariners before navigation.