Chart correction N30/20 — chart 52036
52036 1Ed. 9/22/18 LAST NM N27/20 N30/20 Delete Buoy “PM2” 35°50′42.0″N 5°34′03.2″W Add Buoy “PM4” R, can, can topmark, Fl(3) R 6s 35°50′43.8″N 5°34′01.8″W (19(153)20 Brest)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 9/22/18
Reference information — always verify against official Notices to Mariners before navigation.