Chart correction 3777* — chart 1233

Chart 1233 (INT 1500) [ previous update 5167/21 ] ETRS89 DATUM Insert 129-Obstn 60° 59´·20N., 1° 53´·70W. JfFl(5)Y.20s Wave Recorder (a) 60° 59´·19N., 1° 54´·34W. 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.