Chart correction 4771 — chart 3993

Chart 3993 [ previous update 3825/25 ] CGCS 2000 DATUM Insert legend, Under construction (2025), centred on: 21° 43´·16N., 108° 38´·45E. Wk44/25 II 2.33

Source: UKHO Admiralty Notices to Mariners

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