Chart correction N18/20 — chart 44341
44341 9Ed. 12/8/18 LAST NM N17/20 N18/20 Delete Purple heavy dashed line joining 60°08′56″N 24°54′25″E 60°08′59″N 24°54′31″E 60°09′01″N 24°54′47″E Add Purple heavy dashed line (fairway limit) [M15] joining 60°08′56″N 24°54′25″E 60°08′55″N 24°54′28″E 60°09′02″N 24°54′41″E 60°09′01″N 24°54′47″E (9(48)20 Helsinki)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 12/8/18
Reference information — always verify against official Notices to Mariners before navigation.