Chart correction N20/23 — chart 62404
62404 5Ed. 03/31/18 LAST NM N19/23 N20/23 Delete Depth 11.3 meters 24°17′06″N 52°46′06″E Add Depth 9.9 meters, blue tint, and enclosing depth contour (10-meter) centered 24°17′08″N 52°46′09″E Depth 8.2 meters, blue tint, and enclosing depth contour (10-meter) centered 24°17′50″N 52°45′37″E (UKHO ARCS 3779-0)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 03/31/18
Reference information — always verify against official Notices to Mariners before navigation.