Chart correction 4633 — chart 2917
Chart 2917 (Panel B, Approaches to Sibolga) [ previous update 3163/24 ] WGS84 DATUM Insert HZpFl.3s 1° 42´·63N., 98° 44´·68E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.