Chart correction 30/21 — chart 54422
54422 4Ed. 1/26/02 LAST NM 40/19 30/21 Relocate Buoy from 36°46′20.4″N 28°23′45.0″E to 36°46′28.2″N 28°23′43.8″E and add AIS [S17.2] (18(74)21 Istanbul)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 1/26/02
Reference information — always verify against official Notices to Mariners before navigation.