Chart correction N11/21 — chart 24159
24159 2Ed. 5/14/16 LAST NM N41/16 N11/21 Substitute Depth 12.6 meters for 13.5 meters 22°59′22″S 43°58′26″W Depth 15.1 meters for 16.2 meters 22°59′12″S 43°58′03″W Depth 21 meters R [K14.1] for 22.5 meters R 22°57′49″S 43°54′50″W Depth 15.1 meters R [K14.1] for depth 15.1 meters 22°57′57″S 43°53′55″W (7(66)19 Rio de Janeiro; BRA CH 1623)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 5/14/16
Reference information — always verify against official Notices to Mariners before navigation.