Chart correction N12/21 — chart 24156
24156 4Ed. 7/2/16 LAST NM N11/21 N12/21 Delete Buoy 22°56′48.0″S 43°50′38.4″W Buoy “No 2” 22°56′39.0″S 43°50′39.0″W Buoy “No 4” 22°56′39.0″S 43°50′34.8″W Buoy “No 3” 22°56′22.8″S 43°50′35.4″W Relocate Buoy “No 20” from 22°56′53.4″S 43°50′46.2″W to 22°56′52.0″S 43°50′43.6″W Buoy “No 25” from 22°56′28.4″S 43°49′42.8″W to 22°56′32.0″S 43°49′45.0″W Buoy “No 27” from 22°56′16.3″S 43°49′36.1″W to 22°56′23.5″S 43°49′31.6″W Substitute Buoy BRB, can, double ball topmark [Q130.4] for beacon 22°56′45.0″S 43°54′34.0″W Depth 7.5 meters R [K14.2] for 7.3 meters R 22°58′26.4″S 43°53′49.2″W Change Shape of buoy “No 8” to spar 22°56′51.6″S 43°52′19.7″W Add Buoy “No 20A” G, pillar, can topmark, Fl G 3s 22°56′31.7″S 43°50′10.8″W Buoy “No 24” G, pillar, can topmark, Fl G 3s 22°56′22.2″S 43°50′26.4″W (Inset) Delete Depth 16.6 meters 22°57′13.1″S 43°48′02.4″W Relocate Buoy “No 25” from 22°56′28.4″S 43°49′42.7″W to 22°56′32.0″S 43°49′45.0″W Buoy “No 27” from 22°56′16.3″S 43°49′36.2″W to 22°56′23.5″S 43°49′31.6″W Add Danger circle “Obstn” [K40] 22°57′42.6″S 43°47′29.4″W Depth 15.2 meters 22°57′12.0″S 43°47′56.4″W (17(125)17, 13(93), 14(105), 18(126)18, 13(146), 7(66), 17(187)19, 10(60)20 Rio de Janeiro; BRA CH 1623)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 7/2/16
Reference information — always verify against official Notices to Mariners before navigation.