Chart correction N32/21 — chart 55021

55021 1Ed. 7/27/19 LAST NM N23/21 N32/21 Change Superbuoy to Y, “X” topmark, Fl(5) Y 20s Racon (U) with legend “ODAS (3 buoys)” 40°02′44.0″N 26°12′29.2″E (See N9/21) (21(84)21 Istanbul)

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

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