Chart correction 4970 — chart 774
Chart 774 [ previous update 4848/25 ] WGS84 DATUM Delete fog signal, Siren Mo(G)40s, at light 36° 43´·4N., 2° 11´·5W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.