Chart correction 1858 — chart 3484
Chart 3484 (INT 554) [ previous update New Edition 19/03/2026 ] WGS84 DATUM Insert depth, 515, and extend 1000m contour NE to enclose 1° 02´·5N., 120° 12´·0E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.