Chart correction N08/23 — chart 44327
44327 1Ed. 03/09/13 LAST NM N49/21 N08/23 Change Shape of buoy to spar 60°26′36.4″N 22°06′12.7″E Shape of buoy to spar 60°26′58.9″N 22°06′42.1″E Shape of buoy to spar 60°27′12.5″N 22°06′57.1″E Shape of buoy to spar 60°27′05.6″N 22°06′46.2″E (3(17)23 Helsinki)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 03/09/13
Reference information — always verify against official Notices to Mariners before navigation.