Chart correction 15/21 — chart 55040

55040 4Ed. 7/31/99 LAST NM 9/21 15/21 Change Light to Fl R 5s 5M AIS 40°48.8′N 29°17.6′E Add Submarine pipeline [L40.1] with legend “Water” between 40°52.5′N 28°58.4′E 40°52.1′N 28°59.7′E Submarine pipeline [L40.1] with legend “Water” between 40°52.1′N 28°59.7′E 40°53.0′N 29°03.3′E (8(30), 9(34)21 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 7/31/99

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