Chart correction N1/21 — chart 44310

44310 6Ed. 12/14/13 LAST NM N51/20 N1/21 Substitute Depth 4.9 meters for 8.5 meters 62°41.9′N 20°42.6′E Add Depth 6.4 meters 62°41.3′N 20°43.4′E and extend depth contour (10-meter) SE to enclose Depth 46 meters 62°34.2′N 19°58.3′E (26(207)20 Helsinki; FIN CH 956)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 12/14/13

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