Chart correction N2/20 — chart 55045

55045 3Ed. 7/28/12 LAST NM N12/19 N2/20 Substitute Buoy Y, spherical, “X” topmark, Fl Y 6s [Q130.6] with legend “(2 buoys)” for depth 20 meters 40°57′40″N 27°56′36″E (43(202)19 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 7/28/12

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