Chart correction N39/21 — chart 44040
44040 26Ed. 10/7/17 LAST NM N35/21 N39/21 Delete Topmark from buoy 57°38.2′N 11°34.0′E (872(16011)21 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 26Ed. 10/7/17
Reference information — always verify against official Notices to Mariners before navigation.