Chart correction N14/20 — chart 37166
37166 4Ed. 1/11/14 LAST NM N7/20 N14/20 Delete Buoy “HKWB” 52°34.2′N 3°44.3′E (See N30/19) Change Designation of buoy “HKWA” to “WS187” 52°34.2′N 3°42.9′E Designation of buoy “HKWC” to “WS188” 52°33.9′N 3°44.1′E (See N36/19) (8(76)20 Den Haag)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 1/11/14
Reference information — always verify against official Notices to Mariners before navigation.