Chart correction N23/20 — chart 53122
53122 4Ed. 3/17/12 LAST NM N9/20 N23/20 Delete Light 44°18′42.1″N 9°19′02.2″E Change Light to FY 4m 3M 44°21′07.2″N 9°09′01.2″E Add Light Fl G 3s 8m 5M 44°18′45.7″N 9°18′54.7″E Double solid line with land tint (breakwater extension) [F4.1] between 44°18′42.7″N 9°19′00.3″E 44°18′45.9″N 9°18′54.6″E (6(11)14, 5(2)20 Genova; ITA CH 57)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 3/17/12
Reference information — always verify against official Notices to Mariners before navigation.