Chart correction 15/21 — chart 44015
44015 10Ed. 4/11/15 LAST NM 11/21 15/21 Add Submarine cable [L30.1] joining 59°46.9′N 21°21.9′E 59°46.7′N 21°18.6′E 59°43.4′N 21°10.6′E 59°45.0′N 21°02.3′E 59°43.2′N 20°47.0′E 59°44.3′N 20°30.0′E 59°45.3′N 20°20.3′E (5(50)21 Helsinki)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 4/11/15
Reference information — always verify against official Notices to Mariners before navigation.