Chart correction N6/21 — chart 54161

54161 13Ed. 7/17/10 LAST NM N44/20 N6/21 Delete Purple composite-line circle in vicinity 45°20′30″N 12°31′00″E Purple composite-line circle in vicinity 45°20′02″N 12°30′59″E Purple composite-line circle in vicinity 45°20′59″N 12°32′25″E Purple composite-line circle in vicinity 45°19′33″N 12°32′15″E Note: Obstn remains Racon from light 45°25′22″N 12°26′13″E (See N25, N42, N44/20) Add Danger circle “Obstn” [K40] 45°20′58″N 12°32′24″E (18(9), 24(11), 25(19)20 Genova)

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

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