Chart correction 3639* — chart 1239
Chart 1239 [ previous update 2815/23 ] ETRS89 DATUM Delete EfFl(5)Y.20s ODAS, and associated Automatic Identification System, AIS 58° 39´·2N., 3° 52´·3W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.