Chart correction 840* — chart 1413
Chart 1413 [ previous update 1187/25 ] ETRS89 DATUM Amend The Skerries light to, Fl(2)15s36m18M Iso.R.4s26m10M (a) 53° 25´·27N., 4° 36´·50W. fog signal to, Horn(1)30s, at light (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.