Chart correction N12/23 — chart 44367
44367 3Ed. 09/28/13 LAST NM N51/22 N12/23 Add Buoy, spherical, "X" topmark, with legend "ODAS (occas)" [Q58] 60°16′18″N 27°06′36″E (5(31)23 Helsinki)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 09/28/13
Reference information — always verify against official Notices to Mariners before navigation.