Chart correction N52/21 — chart 95103
95103 10Ed. 05/27/17 LAST NM N50/21 N52/21 Add Superbuoy Y, Fl(5) Y 20s with legend "ODAS" [Q58] 33°58.4′N 126°03.3′E Superbuoy Y, Fl(5) Y 20s with legend "ODAS" [Q58] 33°57.9′N 126°08.6′E Superbuoy Y, Fl(5) Y 20s with legend "ODAS" [Q58] 33°53.5′N 126°03.3′E Buoy Y, spar, "X" topmark, Fl(5) Y 20s with legend "ODAS" [Q58] 34°11.4′N 126°08.0′E (46(953), 47(985)21 Busan)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 05/27/17
Reference information — always verify against official Notices to Mariners before navigation.