Chart correction N49/21 — chart 44178
44178 3Ed. 07/18/15 LAST NM N24/21 N49/21 (Panel A) Delete Depth 6.3 meters 58°50′51″N 18°01′20″E Add Depth 3.8 meters 58°51′38″N 18°02′09″E (Panel B) Delete Depth 6.3 meters 58°50′51″N 18°01′20″E Add Depth 3.8 meters 58°51′38″N 18°02′09″E (880(16293)21 Norrkoping)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 07/18/15
Reference information — always verify against official Notices to Mariners before navigation.