Chart correction 3317 — chart 1720

Chart 1720 [ previous update 3175/24 ] CGCS 2000 DATUM Insert ¶ Fl.4s4m4M 23° 57´·76N., 117° 47´·27E. Wk28/24 II 2.40

Source: UKHO Admiralty Notices to Mariners

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