Chart correction 17/22 — chart 54403

54403 4Ed. 06/14/86 LAST NM 14/22 17/22 Add Buoy Y, pillar, “X” topmark, Fl(2) Y 5s [Q130.6] 37°16′46″N 27°19′40″E (44(143)21 Istanbul)

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

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