Chart correction N36/21 — chart 54369
54369 5Ed. 1/16/16 LAST NM N20/21 N36/21 Add Submarine cable [L30.1] joining 39°56′26″N 26°09′46″E 39°55′33″N 26°07′54″E 39°55′25″N 26°07′51″E 39°55′24″N 26°07′37″E 39°54′11″N 26°06′03″E 39°53′59″N 26°05′54″E 39°52′42″N 26°05′53″E 39°51′32″N 26°06′38″E 39°51′08″N 26°06′41″E 39°50′34″N 26°06′20″E 39°50′22″N 26°05′59″E 39°50′16″N 26°05′28″E 39°50′17″N 26°04′38″E 39°50′12″N 26°04′14″E (26(102)21 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 1/16/16
Reference information — always verify against official Notices to Mariners before navigation.