Chart correction N46/23 — chart 51168
51168 3Ed. 11/19/16 LAST NM N40/23 N46/23 Change Buoy "Juan Sebastian Elcanto" to "No 1" RW, spar, ball topmark, L Fl W 10s Racon (M) AIS 36°45′45″N 6°27′02″W (42(392)23 Cadiz; ESP LL) ★51265 1Ed. 3/21/15 CHART CANCELED N46/23 (NGA) ★51344 3Ed. 5/21/16 CHART CANCELED N46/23 (NGA)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 11/19/16
Reference information — always verify against official Notices to Mariners before navigation.