Chart correction N36/21 — chart 55021
55021 1Ed. 7/27/19 LAST NM N32/21 N36/21 Add Submarine cable [L30.1] joining 39°56′25.7″N 26°09′46.1″E 39°55′32.9″N 26°07′54.4″E 39°55′24.9″N 26°07′50.6″E 39°55′24.2″N 26°07′36.8″E 39°54′11.3″N 26°06′03.2″E 39°53′59.0″N 26°05′54.3″E 39°52′41.6″N 26°05′53.2″E 39°52′30.0″N 26°06′00.8″E (26(102)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.