Chart correction N20/23 — chart 44184
44184 10Ed. 12/25/10 LAST NM N12/23 N20/23 Add Beacon Fl Y 4s (occas) 59°26′06.1″N 18°55′51.2″E (958(17525)23 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 12/25/10
Reference information — always verify against official Notices to Mariners before navigation.