Chart correction N7/21 — chart 55023

55023 1Ed. 7/27/19 LAST NM N47/20 N7/21 Add Buoy Y, pillar, “X” topmark, Fl(2) Y 6s [Q130.6] 40°17′06.7″N 26°30′58.9″E (48(160)20 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 7/27/19

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