Chart correction N40/20 — chart 37222

37222 15Ed. 5/12/18 LAST NM N39/20 N40/20 Delete Depth 13.4 meters 53°33.11′N 6°39.81′E Depth 1.7 meters 53°33.09′N 6°38.48′E (See N37/20) Add Foul ground symbol [K31.1] 53°33.25′N 6°43.88′E Foul ground symbol [K31.1] 53°32.70′N 6°41.40′E Depth 12.2 meters 53°33.14′N 6°39.74′E Depth 1.3 meters 53°33.18′N 6°38.43′E and extend depth contour (5-meter) N to enclose (36(90, 1110)20 Hamburg; DEU CH 90)

Source: NGA U.S. Notice to Mariners · edition: 15Ed. 5/12/18

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