Chart correction 3091 — chart 4411
Chart 4411 [ previous update 2890/25 ] WGS84 DATUM Insert depth, 12, enclosed by 20m contour 15° 07´·5N., 117° 52´·4E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.