Chart correction N40/21 — chart 53160
53160 15Ed. 12/5/15 LAST NM N37/21 N40/21 Substitute Buoy Y, spherical, “X” topmark, Fl(5) Y 20s AIS with legend “ODAS” [Q58] for buoy 40°52.0′N 12°57.0′E (15(4)21 Genova)
Source: NGA U.S. Notice to Mariners · edition: 15Ed. 12/5/15
Reference information — always verify against official Notices to Mariners before navigation.