Chart correction 181 — chart 3947

Chart 3947 [ previous update 5984/24 ] WGS84 DATUM Insert åObstn 2° 08´·92N., 102° 18´·93E. Wk02/25 II 2.20 91 VIETNAM - Notes. Submarine cables. Source: UKHO

Source: UKHO Admiralty Notices to Mariners

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