Chart correction 3794 — chart 3989

Chart 3989 [ previous update 3456/26 ] WGS84 DATUM Insert symbol, Virtual aid to navigation, special topmark, 4 V-AIS 17° 42´·9N., 106° 34´·1E.

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.