Chart correction 42/21 — chart 54423
54423 5Ed. 8/10/02 LAST NM 7/21 42/21 Change Range of light to 10M 36°50′45″N 30°45′30″E and add AIS [S17.1] (Plan) Change Range of light to 10M 36°50′45.0″N 30°45′30.0″E and add AIS [S17.1] (29-30(112)21 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 8/10/02
Reference information — always verify against official Notices to Mariners before navigation.