Chart correction N12/23 — chart 53161
53161 9Ed. 07/07/18 LAST NM N10/23 N12/23 Delete Submarine cable joining 40°44′30″N 13°57′18″E 40°44′14″N 13°57′36″E 40°44′10″N 13°58′20″E Substitute Danger circle "Obstns" [K40] for marine farm symbol 40°49′11″N 14°05′49″E (2(3), 4(17)23 Genova)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 07/07/18
Reference information — always verify against official Notices to Mariners before navigation.