Chart correction 4452 — chart 4129
Chart 4129 [ previous update 3401/26 ] WGS84 DATUM Insert symbol, Virtual aid to navigation, isolated danger topmark, V- AIS 22° 19´·47N., 113° 50´·45E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.