Chart correction N9/21 — chart 37003
37003 3Ed. 1/18/18 LAST NM N8/21 N9/21 Substitute Depth 19.2 meters for 20.5 meters 50°20.30′N 4°18.38′W and extend depth contour (20-meter) and blue tint S to enclose Add Depth 30.5 meters 50°16.62′N 4°36.95′W Depth 14.7 meters 50°17.98′N 4°39.30′W (4(323)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.