Chart correction 27/21 — chart 37221
37221 14Ed. 6/21/08 LAST NM 22/21 27/21 Substitute Swept depth 13.3 meters Wk [K27] for foul ground 53°37.6′N 6°22.3′E Add Foul ground symbol [K31.1] 53°37.3′N 6°22.0′E Foul ground symbol [K31.1] 53°40.0′N 6°21.2′E Foul ground symbol [K31.1] 53°36.7′N 6°20.8′E Foul ground symbol [K31.1] 53°34.9′N 6°16.4′E (22(183)21 Den Haag; NLD CH 1460)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 6/21/08
Reference information — always verify against official Notices to Mariners before navigation.