Chart correction 473 — chart 3971
Chart 3971 [ previous update 5632/24 ] WGS84 DATUM Insert the accompanying block A, centred on: 23° 00´·2S., 42° 06´·7W. the accompanying block B, centred on: 22° 32´·0S., 43° 07´·8W. Wk05/25 II 2.42
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.