Chart correction 4483 — chart 4122
Chart 4122 [ previous update 2660/23 ] WGS84 DATUM Insert Gf;Fl(5)Y.20s EPD-1 (a) 22° 21´·942N., 114° 06´·646E. 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.