Chart correction 3874 — chart 3992
Chart 3992 [ previous update New Edition 25/06/2026 ] CGCS 2000 DATUM Insert the accompanying block, centred on: 21° 21´·0N., 108° 40´·8E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.