Chart correction 2398 — chart 2639

Chart 2639 (Panel A, Balikpapan) [ previous update 1925/23 ] WGS84 DATUM Insert the accompanying block, centred on: 1° 14´·7S., 116° 47´·8E.

Source: UKHO Admiralty Notices to Mariners

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