Chart correction 4042 — chart 2817
Chart 2817 [ previous update 3571/25 ] WGS84 DATUM Insert the accompanying note, DEEP WATER ROUTE Within TSS South Aland Sea, centred on: 57° 11´·3N., 25° 57´·4E. Amend legend to, DW 17.7m (see Note), centred on: 59° 35´·4N., 20° 04´·4E. Wk38/25 II 2.13
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.