Chart correction 1817 — chart 4127

Chart 4127 [ previous update 1590/25 ] WGS84 DATUM Insert depth, 20, enclosed by 20m contour (a) 22° 09´·64N., 114° 07´·99E. Delete depth, 215 , close NE of: (a) above Wk18/25 II 2.18

Source: UKHO Admiralty Notices to Mariners

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