Chart correction N28/20 — chart 37242
37242 13Ed. 8/4/18 LAST NM N7/20 N28/20 Delete Buoy “M 8” 51°56′11.7″N 4°03′38.4″E Buoy “M 6” 51°56′16.2″N 4°03′57.7″E Relocate Buoy “M 4” from 51°56′20.5″N 4°04′18.0″E to 51°56′22.2″N 4°04′29.4″E (22-23(168)20 Den Haag)
Source: NGA U.S. Notice to Mariners · edition: 13Ed. 8/4/18
Reference information — always verify against official Notices to Mariners before navigation.