Chart correction 1819 — chart 4473
Chart 4473 [ previous update 1339/23 ] WGS84 DATUM Insert depth, 459 (a) 9° 11´·26N., 123° 44´·08E. Delete depth, 585, close NW of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.