Chart correction N24/23 — chart 37120
37120 4Ed. 09/19/15 LAST NM N20/23 N24/23 Delete Depth 14.5 meters 51°27.3′N 2°56.8′E Substitute Depth 12.3 meters for depth 13.6 meters 51°27.1′N 2°50.3′E Add Depth 14.9 meters 51°27.5′N 2°53.0′E Depth 11.8 meters 51°26.7′N 2°49.5′E Depth 19.8 meters, blue tint, and enclosing depth contour (20-meter) centered 51°26.7′N 2°46.5′E Depth 12.5 meters 51°26.6′N 2°57.0′E Depth 13.5 meters 51°27.1′N 2°56.8′E (9(128, 129)23 Oostende)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 09/19/15
Reference information — always verify against official Notices to Mariners before navigation.