Chart correction N47/21 — chart 44140
44140 10Ed. 02/15/14 LAST NM N40/21 N47/21 Substitute Depth 13.2 meters Obstn [K41] for depth 14.2 meters 54°50.1′N 18°27.1′E Add Depth 13.2 meters Obstn [K41] 54°50.7′N 18°27.6′E (POL CH 251)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 02/15/14
Reference information — always verify against official Notices to Mariners before navigation.