Chart correction N18/20 — chart 55021

55021 1Ed. 7/27/19 LAST NM N46/19 N18/20 Delete Anchorage area “No 1” in vicinity 40°00′42.0″N 26°15′12.0″E Add Superbuoy ODAS [Q58] Y with light flare symbol 40°02′44.0″N 26°12′29.2″E Anchorage area “No 1” [N12.1] bound by purple dashed line joining 40°00′16.5″N 26°15′18.0″E 40°00′14.4″N 26°15′10.2″E 40°00′50.4″N 26°15′04.2″E 40°00′55.1″N 26°15′18.0″E Note: Area extends beyond chart border Legend “SEE NOTE” 40°00′36.0″N 26°15′13.0″E Note “ANCHORAGE AREA (40° 00’ 36"N, 26° 15’ 13"E) Emergency anchorage area for all vessels passing the Strait and anchorage area for military vessels. Pilotage is compulsory when anchoring and departing excluding military vessels.” 39°55′06.0″N 26°14′21.0″E (46(218)19, 5(16)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.