Chart correction N5/20 — chart 51168
51168 3Ed. 11/19/16 LAST NM N45/19 N5/20 Delete AIS from buoy 36°35′13″N 6°19′57″W AIS from buoy 36°36′01″N 6°23′46″W (49(393)19 Cadiz)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 11/19/16
Reference information — always verify against official Notices to Mariners before navigation.