Chart correction 1230 — chart 3990
Chart 3990 [ previous update 5056/23 ] WGS84 DATUM Insert ´ 20° 34´·1N., 109° 11´·0E. 20° 16´·8N., 109° 01´·4E. Wk12/24 II 2.34
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.