Chart correction N26/21 — chart 55042

55042 2Ed. 7/28/12 LAST NM N23/21 N26/21 Add Quarantine and explosives anchorage area [N12.1] bound by purple dashed line joining 41°01′09″N 28°00′51″E 41°01′09″N 28°01′57″E 40°59′57″N 28°01′57″E 40°59′57″N 28°00′51″E (12(53)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 7/28/12

Reference information — always verify against official Notices to Mariners before navigation.