Chart correction N41/20 — chart 22173

22173 37Ed. 10/13/12 LAST NM N38/20 N41/20 Add Buoy BRB, pillar, double ball topmark, Fl W 3s [Q130.4] 12°02′36″S 77°09′53″W AIS [S17.2] to buoy 12°02′36″S 77°10′32″W AIS [S17.2] to buoy 12°02′44″S 77°10′33″W (See N24/19) (5(23), 7(38)20 Callao)

Source: NGA U.S. Notice to Mariners · edition: 37Ed. 10/13/12

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