Chart correction N51/22 — chart 93036
93036 12Ed. 02/09/13 LAST NM N50/22 N51/22 Delete Danger circle "Obstn" 18°28.5′N 108°42.2′E Dangerous wreck 20°09.9′N 110°04.6′E Dangerous wreck (PA) 20°05.9′N 110°08.6′E Substitute Dangerous wreck [K28] for depth 18.2 meters Obstn (ED), blue tint, and enclosing dotted-line circle 17°51.0′N 106°45.0′E Add Dangerous wreck [K28] (PA) 19°11.0′N 108°24.0′E Dangerous wreck [K28] (PA) 20°00.9′N 107°11.8′E Dangerous wreck [K28] 19°32.3′N 107°42.4′E Danger circle "Obstn" [K40] 19°59.9′N 109°10.5′E (13(424)15, 23(830)20, 15(505)21, 11(346), 32(1186)22 Tianjin; 24(3006)19, 50(5916)20 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 02/09/13
Reference information — always verify against official Notices to Mariners before navigation.