Chart correction N51/20 — chart 44069
44069 17Ed. 10/30/10 LAST NM N50/20 N51/20 Delete Buoys (2) in vicinity 55°12′29″N 11°05′20″E Add Buoy Y, spar, “X” topmark, Fl(5) Y 20s [Q130.6] with legend “Recording Station” 54°43′52″N 11°06′33″E Depth 9.2 meters 55°00′14″N 11°03′00″E Note: Blue tint and depth contour (10-meter) remain “Spoil Ground” area [N62.1] bound by dashed line joining 55°11′28″N 11°07′32″E 55°11′28″N 11°07′56″E 55°11′10″N 11°07′32″E (9(263)13, 45(744)19, 40(590, 595)20 Norresundby; DNK CH 143)
Source: NGA U.S. Notice to Mariners · edition: 17Ed. 10/30/10
Reference information — always verify against official Notices to Mariners before navigation.