Chart correction 1664 — chart 3656
Chart 3656 [ previous update 4595/22 ] WGS84 DATUM Delete fog signal, Horn(2)40s, at light 48° 49´·89N., 1° 35´·89W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.