Chart correction N15/21 — chart 25017
25017 6Ed. 3/3/07 LAST NM N12/21 N15/21 Substitute Depth 3.3 meters for 4.5 meters 18°04.2′N 63°06.6′W Change Light to Q WRG 20m 10-7M 18°04.2′N 63°05.1′W (12(260), 43(264)20 Brest)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 3/3/07
Reference information — always verify against official Notices to Mariners before navigation.