Chart correction 18/23 — chart 51440
51440 4Ed. 12/07/96 LAST NM 09/23 18/23 Add Submarine cable [L30.1] joining 20°58.4′N 17°00.5′W 20°58.3′N 16°59.8′W 20°55.0′N 16°57.4′W 20°49.1′N 16°58.1′W 20°41.9′N 16°59.8′W 20°38.2′N 17°05.2′W 20°33.0′N 17°27.4′W (11(168)23 Brest)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 12/07/96
Reference information — always verify against official Notices to Mariners before navigation.