Chart correction N50/23 — chart 51222

51222   7Ed.  07/16/16  LAST  NM  N37/23  N50/23 Relocate Buoy from 33°38′50.6″N  7°34′54.2″W to   33°39′01.2″N  7°34′57.0″W and add AIS [S17.2] Add Buoy Y, spherical, "X" topmark, Fl(5) Y 20s with legend "ODAS" [Q58]   33°38′24.0″N  7°35′18.0″W (46(154)23 Brest)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 07/16/16

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