Chart correction N17/20 — chart 37222

37222 15Ed. 5/12/18 LAST NM N15/20 N17/20 Substitute Drying height 0.4 meter [I15] for depth 4.8 meters 53°30.73′N 6°57.31′E and extend depth contour (0-meter) and drying tint E to enclose (Plan) Add Buoy Y, pillar, Q(3) Y 10s [Q130.6] 53°27′04.2″N 6°50′04.8″E Buoy Y, pillar, Q(3) Y 10s [Q130.6] 53°27′12.6″N 6°50′08.4″E Buoy Y, can, VQ Y [Q130.6] 53°26′38.4″N 6°50′19.2″E (11(90)20 Hamburg; 12(111)20 Den Haag)

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

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