Chart correction 51 41 — chart 6990
X 19 51 41. FRANCE (Côte Ouest). Large de l'Île de Sein. — Obstruction. (Shom). — Cartes 6990 (4) Porter ± Obstn 47 45,0 N 005 45,0 W 7066 (3) Porter ± Obstn 47 44,97 N 005 45,02 W INT 1800 7076 (6) Porter ± Obstn 47 45,0 N 005 45,0 W
Source: Service Hydrographique et Océanographique de la Marine · edition: 4
Reference information — always verify against official Notices to Mariners before navigation.