Chart correction N50/23 — chart 51223

51223   3Ed.  10/20/12  LAST  NM  N11/23  N50/23 Relocate Buoy from 33°38′51″N  7°34′55″W to   33°39′01″N  7°34′57″W and add AIS [S17.2] Add Buoy Y, spherical, "X" topmark, Fl(5) Y 20s with legend "ODAS" [Q58]   33°38′24″N  7°35′18″W (46(154)23 Brest)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 10/20/12

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