Chart correction 3777* — chart 1239

Chart 1239 [ previous update 3639/23 ] ETRS89 DATUM Insert JfFl(5)Y.20s Wave Recorder (a) 60° 59´·2N., 1° 54´·1W. Automatic Identification System, AIS, at light-buoy (a) above

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.