Chart correction N18/21 — chart 37228

37228 15Ed. 2/16/13 LAST NM N16/21 N18/21 Delete Mooring buoy “Sperrgebiet” 53°52′55.1″N 9°04′18.8″E Mooring buoy “Sperrgebiet” 53°51′55.0″N 9°00′26.6″E Buoy 53°51′32.4″N 9°00′45.8″E Buoy 53°52′08.4″N 9°03′00.5″E Buoy 53°51′48.6″N 9°01′45.6″E (See N11/21) (Plan) Delete Buoy 53°53′14.5″N 9°08′09.3″E (See N42/20) Relocate Buoy from 53°53′14.5″N 9°08′03.5″E to 53°53′15.8″N 9°08′06.7″E (See N15/21) (11(1610, 1620, 1711)21 Hamburg)

Source: NGA U.S. Notice to Mariners · edition: 15Ed. 2/16/13

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