Chart correction N52/22 — chart 93710

93710 4Ed. 04/27/13 LAST NM N43/22 N52/22 Add Obstruction area with blue tint [K40] bound by dotted line (limiting danger line) joining 20°14.4′N 110°15.3′E 20°13.8′N 110°15.3′E 20°13.8′N 110°15.9′E 20°14.4′N 110°15.9′E and delete all hydrography within above area (49(1739)21 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 04/27/13

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