Chart correction N16/20 — chart 44430

44430 4Ed. 5/30/15 LAST NM N51/19 N16/20 Delete Depth 18.3 meters 56°30.1′N 20°45.5′E Add Depth 17.8 meters 56°30.1′N 20°45.9′E Danger circle “Obstn” [K40] 54°39.0′N 19°48.5′E Foul ground symbol [K31.1] 54°26.2′N 18°49.2′E (21(2563)19 St. Petersburg; 12(179)20 Gdynia; LVA CH 2259)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 5/30/15

Reference information — always verify against official Notices to Mariners before navigation.