Chart correction 3791 — chart 2640
Chart 2640 (Panel D, Teluk Mekongga) [ previous update 3409/24 ] UNDETERMINED DATUM Insert B\dFl.R.5s 4° 06´·55S., 121° 33´·56E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.