Chart correction N6/21 — chart 44048
44048 13Ed. 1/12/13 LAST NM N4/21 N6/21 Add Restricted area [N2.1] bound by shore and purple composite line joining 56°08′46″N 12°34′03″E 56°08′46″N 12°33′57″E 56°09′09″N 12°33′56″E 56°09′11″N 12°34′01″E (840(15456)21 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 13Ed. 1/12/13
Reference information — always verify against official Notices to Mariners before navigation.