Chart correction 4012 — chart 3989

Chart 3989 [ previous update 3728/25 ] WGS84 DATUM Insert 5&+ Wk 17° 43´·5N., 106° 31´·1E. depth, 165, and extend 18·2m contour NE to enclose (a) 17° 41´·2N., 106° 34´·0E. Delete depth, 198, close SE of: (a) above Insert depth, 50 17° 26´·2N., 107° 08´·2E. depth, 139, enclosed by 18·2m contour 17° 12´·2N., 107° 00´·0E. depth, 275, enclosed by 36m contour (b) 17° 00´·6N., 107° 15´·3E. Delete depth, 43, close SW of: (b) above Insert depth, 235, enclosed by 36m contour (c) 17° 00´·1N., 107° 18´·0E. Delete depth, 43, close SW of: (c) above Replace HZp with HZpMo(A)6s 17° 42´·9N., 106° 30´·8E. depth, 71, with seabed type, M, with depth, 58 17° 26´·9N., 107° 19´·7E.

Source: UKHO Admiralty Notices to Mariners

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