Chart correction 1675 — chart 4721
Chart 4721 (INT 721) [ previous update 1376/24 ] WGS84 DATUM Insert depth, 34 (a) 6° 41´·7S., 133° 16´·6E. Delete depth, 53, close NE of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.