Chart correction N31/22 — chart 55042

55042 2Ed. 07/28/12 LAST NM N13/22 N31/22 Add Buoy Y, pillar, "X" topmark, Fl(2) Y 6s [Q130.6] 40°27′22″N 28°03′34″E Buoy Y, pillar, "X" topmark, Fl(2) Y 6s [Q130.6] 40°27′08″N 28°04′02″E Buoy Y, pillar, "X" topmark, Fl(2) Y 6s [Q130.6] 40°27′01″N 28°04′32″E (21(79)22 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 07/28/12

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