Chart correction N18/21 — chart 44180

44180 7Ed. 3/8/14 LAST NM N17/21 N18/21 Add Submarine cable [L30.1] joining 58°55.2′N 20°26.4′E 58°44.5′N 20°14.2′E 58°42.9′N 20°14.7′E 58°40.8′N 20°20.0′E 58°39.4′N 20°20.6′E 58°33.0′N 20°17.3′E (See N8/21) (2(66)21 Riga; 3(31)21 Helsinki)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 3/8/14

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