Chart correction N24/21 — chart 37420
37420 2Ed. 10/5/13 LAST NM N15/20 N24/21 Delete Buoy “Att Maumusson” 45°46.1′N 1°18.0′W Add Buoy “Att Maumusson” RW, pillar, ball topmark, L Fl W 10s [Q130.5] 45°43.9′N 1°17.0′W (19(60)21 Brest)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 10/5/13
Reference information — always verify against official Notices to Mariners before navigation.