Chart correction N20/21 — chart 53106
53106 8Ed. 9/12/15 LAST NM N35/20 N20/21 Delete Entry prohibited area and spherical buoy in vicinity 43°55′47.9″N 9°49′36.0″E Add Buoy Y, can, Fl(5) Y 20s with legend “ODAS” [Q58] enclosed by purple composite-line circle, radius 250 meters, centered 43°55′45.0″N 9°49′40.2″E (7(2)21 Genova)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 9/12/15
Reference information — always verify against official Notices to Mariners before navigation.