Chart correction N51/23 — chart 37162

37162  14Ed.  09/28/13  LAST  NM  N46/23  N51/23 Add Depth 16.4 meters, blue tint, and enclosing depth contour (20-meter) centered   51°54.3′N  3°45.6′E Swept depth 25.5 meters Wk [K27]   52°53.3′N  4°08.1′E (45(348), 48(363)23 Den Haag)

Source: NGA U.S. Notice to Mariners · edition: 14Ed. 09/28/13

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