Chart correction N4/21 — chart 51500
51500 8Ed. 9/2/17 LAST NM N25/18 N4/21 Substitute Depth 106 meters for 254 meters 16°58.8′N 25°01.7′W and extend depth contour (200-meter) N to enclose (16(1930)20 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 8Ed. 9/2/17
Reference information — always verify against official Notices to Mariners before navigation.