Chart correction N42/20 — chart 54161

54161 13Ed. 7/17/10 LAST NM N25/20 N42/20 Delete Buoy (Wavemeter) 45°20′02″N 12°30′59″E Note: Purple composite-line circle remains Buoy 45°20′30″N 12°31′00″E Note: Purple composite-line circle remains Buoy 45°20′59″N 12°32′25″E Note: Purple composite-line circle remains (See N2/20) Change Characteristic of buoy to Fl Y 4s 45°20′49″N 12°22′59″E Add Obstruction area with blue tint [K40] bound by dotted line (limiting danger line) joining 45°12′36″N 12°23′50″E 45°12′30″N 12°23′49″E 45°12′22″N 12°23′42″E 45°12′21″N 12°23′28″E 45°12′31″N 12°23′28″E Obstruction area with blue tint [K40] bound by dotted line (limiting danger line) joining 45°12′54″N 12°23′18″E 45°12′48″N 12°23′18″E 45°12′42″N 12°23′10″E 45°12′34″N 12°23′11″E 45°12′39″N 12°22′48″E 45°12′46″N 12°22′28″E 45°12′51″N 12°22′30″E 45°12′50″N 12°22′46″E 45°12′54″N 12°23′06″E Obstruction area with blue tint [K40] bound by dotted line (limiting danger line) joining 45°13′18″N 12°23′09″E 45°13′14″N 12°23′09″E 45°13′12″N 12°22′39″E 45°13′17″N 12°22′36″E 45°13′21″N 12°22′39″E 45°13′18″N 12°22′53″E (6(23), 14(5)20 Genova; 35(4120)20 Taunton)

Source: NGA U.S. Notice to Mariners · edition: 13Ed. 7/17/10

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