Chart correction 1667 — chart 3938
Chart 3938 [ previous update 89/26 ] CGCS 2000 DATUM Insert ¶ Iso.R.4s6m5M 21° 37´·22N., 108° 20´·13E. Wk15/26 II 2.23
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.