Chart correction N39/21 — chart 44081
44081 10Ed. 12/18/10 LAST NM N37/21 N39/21 Substitute Position circle “Subm pile” [K43.1] for depth 12.5 meters 54°57.03′N 12°26.28′E Add Position circle “Subm pile” [K43.1] 54°56.87′N 12°25.38′E Position circle “Subm pile” [K43.1] 54°56.54′N 12°28.69′E Position circle “Subm pile” [K43.1] 54°56.45′N 12°29.37′E Position circle “Subm pile” [K43.1] 54°56.95′N 12°26.93′E (21(162)18 Hamburg; 10(140)19 Norresundby; UKHO ARCS 2944-0)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 12/18/10
Reference information — always verify against official Notices to Mariners before navigation.