Chart correction 18/23 — chart 54423

54423   5Ed.  08/10/02  LAST  NM  53/22  18/23 (Plan) Substitute Buoy Y, can, "X" topmark, Fl Y 3s [Q130.6] for mooring buoy   36°49′39.5″N  30°37′02.3″E (7(34)23 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 5Ed. 08/10/02

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