Chart correction N17/21 — chart 43030
43030 25Ed. 1/5/13 LAST NM N16/21 N17/21 Delete Sunken mine and purple composite-line circle in vicinity 54°22.9′N 12°05.5′E Sunken mine and purple composite-line circle in vicinity 54°22.8′N 12°07.7′E (See N47/20) Add Depth 78 meters Wk [K26] 55°35.1′N 14°56.4′E Depth 71 meters Wk [K26] 55°38.2′N 15°00.8′E Depth 55 meters Wk [K26] 55°40.8′N 15°03.7′E Foul ground symbol [K31.1] 54°12.9′N 12°03.6′E (29(388)18 Norresundby; 51(1671)20, 10(163)21 Hamburg)
Source: NGA U.S. Notice to Mariners · edition: 25Ed. 1/5/13
Reference information — always verify against official Notices to Mariners before navigation.