Chart correction 50/23 — chart 51220
51220 8Ed. 09/26/98 LAST NM 22/23 50/23 Add AIS [S17.2] to buoy 33°39.1′N 7°34.9′W Buoy Y, spherical, "X" topmark, Fl(5) Y 20s with legend "ODAS" [Q58] 33°38.4′N 7°35.3′W (46(154)23 Brest)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 09/26/98
Reference information — always verify against official Notices to Mariners before navigation.