Chart correction 1775 — chart 54

Chart 54 [ previous update 595/24 ] CGCS 2000 DATUM Insert legend, Works in progress (2023), centred on: 19° 48´·22N., 109° 10´·32E.

Source: UKHO Admiralty Notices to Mariners

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