Chart correction N40/21 — chart 53141

53141 6Ed. 7/2/11 LAST NM N31/21 N40/21 Substitute Buoy Y, spherical, “X” topmark, Fl(5) Y 20s AIS with legend “ODAS” [Q58] for buoy 40°52′00″N 12°57′00″E (15(4)21 Genova)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 7/2/11

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