Chart correction 4553 — chart Aus 57

Chart Aus 57 [ previous update 4351/25 ] WGS84 DATUM Insert depth, 25, and extend 5m approximate contour E to enclose 20° 25´·40S., 116° 59´·07E.

Source: UKHO Admiralty Notices to Mariners

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