Chart correction N16/21 — chart 37003
37003 3Ed. 1/18/18 LAST NM N9/21 N16/21 Substitute Depth 33 meters for 35 meters 50°11.91′N 4°16.85′W Depth 21.5 meters for 25.5 meters 50°11.29′N 4°15.04′W Depth 38 meters Wk [K26] for 44 meters Wk 50°15.16′N 4°14.25′W (13(1347)21 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 1/18/18
Reference information — always verify against official Notices to Mariners before navigation.