Chart correction 4023 — chart 3985
Chart 3985 [ previous update 3506/26 ] WGS84 DATUM Insert symbol, Virtual aid to navigation, special topmark, V-AIS 8° 23´·5N., 104° 49´·6E. 8° 18´·7N., 104° 54´·1E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.