Chart correction N50/23 — chart 55047
55047 9Ed. 11/08/14 LAST NM N19/23 N50/23 Delete Buoy 41°01′52.1″N 28°59′35.6″E Add Submarine cable [L30.1] between 41°01′23.1″N 29°00′24.4″E 41°01′16.5″N 29°00′15.4″E (32(158), 33(163)23 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 11/08/14
Reference information — always verify against official Notices to Mariners before navigation.