Chart correction 20/21 — chart 55160
55160 2Ed. 6/1/96 LAST NM 19/21 20/21 Add Buoy Y, pillar, “X” topmark, Fl Y 5s with legend “(buoys)” [Q130.6] 41°44.8′N 35°19.7′E (45(150)20 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 6/1/96
Reference information — always verify against official Notices to Mariners before navigation.