Chart correction 03/23 — chart 93690

93690 3Ed. 04/21/07 LAST NM 53/22 03/23 Delete Precautionary area "No 2" in vicinity 20°11.0′N 110°15.8′E Add Precautionary area "No 4" [M24] bound by purple dashed-line greater arc of a circle, radius 3674 meters, centered 20°08.7′N 110°02.5′E arc between 20°10.4′N 110°03.7′E 20°07.4′N 110°04.1′E (27(991-993, 996), 28(1036)22 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 04/21/07

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