Chart correction N21/21 — chart 37380
37380 3Ed. 8/17/13 LAST NM N8/21 N21/21 Delete AIS from beacon “Birvideaux” 47°29.1′N 3°17.5′W Change Obscured sector of light to 225°-320°, 004°-155° 47°18.6′N 3°03.6′W Buoy to “Les Galeres BYB, pillar, double cone topmark bases together, VQ(3) W 5s 47°18.8′N 3°02.8′W Range of light to 2M 47°22.4′N 3°13.1′W Light to Fl(2) WR 6s 10m 10/7M 47°29.3′N 3°05.9′W Add “Weather Anchorage (See Note)” area [N12.9] bound by purple dashed line joining 47°22.0′N 3°08.4′W 47°22.0′N 3°04.6′W 47°19.5′N 3°04.6′W 47°19.5′N 3°05.0′W 47°21.0′N 3°08.4′W Note to center right margin of chart “WEATHER ANCHORAGE This anchorage is reserved for weather reasons. For further information contact the local authorities.” Light Fl(2) W 10s to buoy 47°27.8′N 3°07.1′W (18(59)16, 28(55)18, 7(50)19, 12(46), 35(58)20, 1(53)21 Brest; FRA CH 7032)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 8/17/13
Reference information — always verify against official Notices to Mariners before navigation.