Chart correction N49/23 — chart 51168
51168 3Ed. 11/19/16 LAST NM N46/23 N49/23 Add Buoy Y, pillar, "X" topmark, Fl(5) Y 20s with legend "ODAS" [Q58] 36°23′17″N 6°18′03″W (45(422)23 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 11/19/16
Reference information — always verify against official Notices to Mariners before navigation.