Chart correction N39/23 — chart 55045

55045   3Ed.  07/28/12  LAST  NM  N25/23  N39/23 Add Buoy Y, pillar, "X" topmark, Fl Y 3s with legend "Buoys (2)" [Q130.6]   40°27′41″N  27°42′17″E Buoy Y, pillar, "X" topmark, Fl(3) Y 10s [Q130.6]   40°20′48″N  27°48′57″E (20(102)23 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 07/28/12

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