Chart correction N40/23 — chart 44326
44326 1Ed. 03/29/14 LAST NM N51/22 N40/23 Add Light flare symbol to buoy 60°14.50′N 21°47.34′E Light flare symbol to buoy 60°16.54′N 21°47.07′E (25(178)23 Helsinki)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 03/29/14
Reference information — always verify against official Notices to Mariners before navigation.