Chart correction N42/21 — chart 51155
51155 2Ed. 7/20/13 LAST NM N32/21 N42/21 Delete Seaplane operating area symbol and legend “CAUTION NO 3” in vicinity 37°06′00″N 8°39′00″W Caution No. 3 from CAUTIONS note 37°17′04″N 8°10′22″W (8(264)21 Lisboa)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 7/20/13
Reference information — always verify against official Notices to Mariners before navigation.