Chart correction N28/23 — chart 44120
44120 9Ed. 12/14/13 LAST NM N27/23 N28/23 Change Legend to "S-6 Zone periodically closed to navigation and fishing" 54°40.1′N 16°30.0′E Legend to "S-6b Zone periodically closed to navigation and fishing" 54°35.7′N 16°19.5′E Legend "No 6C" to "S-6c" 54°34.5′N 16°34.2′E Add Foul ground symbol [K31.1] 56°07.0′N 16°26.5′E Foul ground symbol [K31.1] 56°07.0′N 16°21.5′E Foul ground symbol [K31.1] 55°21.6′N 14°23.9′E (25(300)21 Gdynia; 25(300)21 Brest; 803(14855)20, 917(16753)22 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 12/14/13
Reference information — always verify against official Notices to Mariners before navigation.