Chart correction N10/23 — chart 53166

53166 3Ed. 06/23/18 LAST NM N29/21 N10/23 Delete Marine farm area and buoys (3) in vicinity 40°46′14.9″N 14°22′28.0″E Substitute Beacon Y, "X" topmark, Fl Y 4s 3m 4M for buoy 40°46′51.0″N 14°21′02.4″E Shellfish beds symbol [K47] for marine farm symbol 40°47′04.6″N 14°21′08.2″E Change Buoy to Y, pillar, "X" topmark, Fl Y 3s 40°47′14.7″N 14°20′45.7″E Buoy to Y, spar, "X" topmark, Fl Y 3s 40°47′17.6″N 14°20′41.0″E Buoy to Y, spar, "X" topmark, Fl(2) Y 6s 40°47′11.8″N 14°20′52.4″E Add Marine farm area [K48.1] bound by dashed line joining 40°46′04.6″N 14°22′32.5″E 40°45′59.1″N 14°22′39.8″E 40°45′54.4″N 14°22′32.9″E 40°45′59.8″N 14°22′25.0″E Buoy Y, can, "X" topmark [Q130.6] 40°45′59.2″N 14°22′39.8″E Obstruction area with blue tint [K40] bound by dotted line (limiting danger line) joining 40°46′30.7″N 14°22′14.1″E 40°46′04.0″N 14°22′47.1″E 40°46′00.3″N 14°22′41.8″E 40°46′12.2″N 14°22′26.6″E 40°46′11.3″N 14°22′25.0″E 40°46′25.3″N 14°22′07.4″E 40°46′26.3″N 14°22′09.0″E 40°46′27.6″N 14°22′07.3″E and delete all hydrography within above area Marine farm area [K48.1] bound by dashed line joining 40°46′28.0″N 14°22′03.7″E 40°46′12.4″N 14°22′23.2″E 40°46′07.5″N 14°22′16.6″E 40°46′24.5″N 14°21′58.3″E Buoy Y, can, "X" topmark [Q130.6] 40°46′28.1″N 14°22′03.8″E Buoy Y, spar, “X” topmark, Fl Y 4s [Q130.6] 40°46′24.4″N 14°21′58.2″E (2(4)23 Genova)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 06/23/18

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