Chart correction 663 — chart 4768

Chart 4768 [ previous update 4132/23 ] NAD83 DATUM Amend light to, Fl 6s73ft9M 47° 49´·33N., 64° 54´·25W. light to, Iso 6s 79ft 48° 03´·72N., 66° 21´·26W.

Source: UKHO Admiralty Notices to Mariners

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