Chart correction N22/20 — chart 37166
37166 4Ed. 1/11/14 LAST NM N21/20 N22/20 Add Foul ground symbol [K31.1] 52°06.1′N 2°48.8′E Foul ground symbol [K31.1] 52°05.1′N 2°47.5′E Foul ground symbol [K31.1] 52°06.9′N 2°44.0′E Foul ground symbol [K31.1] 52°07.0′N 2°47.3′E Foul ground symbol [K31.1] 52°07.0′N 2°48.4′E Foul ground symbol [K31.1] 52°07.5′N 2°49.4′E Foul ground symbol [K31.1] 52°04.3′N 2°44.6′E Foul ground symbol [K31.1] 51°56.9′N 3°48.0′E Buoy YB, pillar, double cone topmark points downward, Q(6) + L Fl W 15s [Q130.3] 52°08.6′N 2°31.7′E Buoy “SN” BYB, pillar, double cone topmark bases together, VQ(3) W 5s Racon (O) [Q130.3] 51°48.6′N 3°15.4′E (31(269)18, 45(392)19 Den Haag; NLD CH 110, 1630)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 1/11/14
Reference information — always verify against official Notices to Mariners before navigation.