Chart correction 1877 — chart 4721

Chart 4721 (INT 721) [ previous update 1849/24 ] WGS84 DATUM Insert depth, 40 (a) 11° 51´·0S., 129° 45´·5E. Delete depth, 48, close E of: (a) above Replace depth, 206 , with depth, 193 11° 46´·4S., 129° 33´·8E.

Source: UKHO Admiralty Notices to Mariners

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