Chart correction 4057* — chart 5603_14
Chart 5603_14 [ previous update 949/23 ] ETRS89 DATUM Amend fog signal to, Horn(1)30s, at light vessel 50° 03´·64N., 6° 04´·33W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.