Chart correction 8/21 — chart 51300

51300 4Ed. 11/21/98 LAST NM 52/20 8/21 Add Submarine pipeline [L40.1] between 30°26′52″N 9°39′48″W 30°26′19″N 9°41′05″W Buoy Y, pillar, “X” topmark with light flare symbol [Q130.6] 30°26′16″N 9°41′08″W (1(150)21 Brest)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 11/21/98

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