Chart correction N4/21 — chart 37120

37120 4Ed. 9/19/15 LAST NM N2/21 N4/21 Delete Depth 6.4 meters 51°35.7′N 3°21.7′E Add AIS [S17.2] to buoy “H F Grav” 51°04.0′N 2°05.0′E Depth 18.3 meters Wk [K26] 51°03.5′N 2°06.3′E Depth 6.2 meters 51°35.6′N 3°21.9′E (40(46)17 Brest; 46-47(348)20 Den Haag; FRA CH 7057)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 9/19/15

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