Chart correction 2018 — chart 1741
Chart 1741 (INT 9122) (Panel A, Discovery Bay) [ previous update 5931/20 ] UNDETERMINED DATUM Delete legend, (4), centred on: 62° 26´·93S., 59° 42´·43W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.