Chart correction 3181 — chart 1603

Chart 1603 [ previous update 2961/24 ] CGCS 2000 DATUM Insert depth , 51 31° 24´·73N., 121° 33´·80E. depth, 10, enclosed by 10m contour 31° 16´·18N., 121° 45´·41E. depth, 4, enclosed by 5m contour (a) 31° 21´·16N., 121° 37´·76E. Delete depth, 66 , close NW of: (a) above depth, 49, and associated 5m contour, close SE of: (a) above

Source: UKHO Admiralty Notices to Mariners

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