Chart correction 40/20 — chart 52160
52160 7Ed. 9/27/86 LAST NM 19/20 40/20 Delete Buoy “5” 34°42.2′N 11°38.8′E Change Shape of buoy to pillar 34°37.1′N 11°23.4′E and add designation “No 6” Shape of buoy to pillar 34°32.6′N 11°08.6′E and add designation “No 7” Add Buoy “No 5” BYB, pillar, double cone topmark bases together, Q(3) 10s [Q130.3] 34°42.1′N 11°38.5′E Designation “No 8” to buoy 34°27.2′N 10°55.7′E (18(144)20 Brest; FRA CH 4315)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 9/27/86
Reference information — always verify against official Notices to Mariners before navigation.