Chart correction N4/21 — chart 37129

37129 7Ed. 10/2/10 LAST NM N2/21 N4/21 Substitute Depth 15.2 meters Wk [K26] for depth 17.5 meters and enclosing depth contour (20-meter) 51°04′58″N 2°15′32″E Depth 18.3 meters Wk [K26] for 17.6 meters Wk 51°03′30″N 2°06′20″E Add Depth 14.6 meters enclosed by depth contour (20-meter) centered 51°03′47″N 2°08′16″E AIS [S17.2] to buoy “Haut-fond de Gravelines” 51°04′03″N 2°05′02″E (Plan) Add Buoy “aKust6” Y, spherical, Fl(5) Y 20s [Q130.6] 51°14′25.8″N 2°55′14.4″E (40(46)17 Brest; 8(155)20 Oostende; FRA CH 7057)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 10/2/10

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