Chart correction N52/21 — chart 37234
37234 14Ed. 02/26/11 LAST NM N44/21 N52/21 Delete Buoy "W 9" 53°39′36.0″N 8°25′44.3″E Buoy "W10" 53°40′16.8″N 8°24′53.4″E Buoy "W 11" 53°39′09.1″N 8°26′33.1″E Buoy "W 12" 53°39′39.5″N 8°25′49.8″E Buoy "W 13" 53°38′13.1″N 8°27′46.8″E Change Designation of buoy "W 14" to "W 46" 53°39′13.1″N 8°26′38.0″E Designation of buoy "W 16" to "W 50" 53°38′10.9″N 8°28′00.2″E Designation of buoy "Bu W7" to "Bu W9" 53°38′11.4″N 8°27′38.5″E Designation of buoy "48/W 18" to "48/W 52" 53°37′34.5″N 8°28′09.5″E (46(1530)21 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 02/26/11
Reference information — always verify against official Notices to Mariners before navigation.