Chart correction N15/20 — chart 54387

54387 8Ed. 4/30/16 LAST NM N12/20 N15/20 Relocate Buoy (mooring) from 38°39′13″N 26°30′41″E to 38°39′11″N 26°30′52″E (See N16/19) (5(17)20 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 4/30/16

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