Chart correction 4854 — chart 3990
Chart 3990 [ previous update 4516/26 ] WGS84 DATUM Insert ¶ Fl(5)15s30m15M 19° 33´·9N., 105° 48´·8E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.