Chart correction 1770 — chart 4494

Chart 4494 [ previous update 1194/25 ] WGS84 DATUM Insert depth, 146, enclosed by 200m contour 6° 57´·76N., 125° 34´·60E. depth, 227 6° 47´·19N., 125° 49´·83E. depth, 56, and extend 200m approximate contour E to enclose (a) 6° 42´·93N., 125° 25´·81E. Delete depth, 236, close NW of: (a) above

Source: UKHO Admiralty Notices to Mariners

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