Chart correction N37/20 — chart 44430
44430 4Ed. 5/30/15 LAST NM N32/20 N37/20 Add Note “HISTORIC WRECK The site of a historic wreck is protected from unauthorized interference.” 54°26.0′N 20°07.0′E Legend “Historic Wk (see Note)” to depth 55 meters Wk 55°03.6′N 18°25.1′E Foul ground symbol [K31.1] 54°47.1′N 18°31.9′E (29-30(431), 31-32(443)20 Gdynia)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 5/30/15
Reference information — always verify against official Notices to Mariners before navigation.