Chart correction 05/22 — chart 54403

54403 4Ed. 06/14/86 LAST NM 04/22 05/22 Add Buoy Y, pillar, "X" topmark, Fl Y 3s [Q130.6] 37°14′29″N 27°26′22″E (44(143)21 Istanbul; UKHO LL)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 06/14/86

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