Chart correction 4729 — chart 3939
Chart 3939 [ previous update 3259/23 ] CGCS 2000 DATUM Insert legend, Works in progress (2023), centred on: 21° 25´·08N., 109° 07´·20E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.