Chart correction 1773 — chart 1631

Chart 1631 (INT 1418) [ previous update 1583/26 ] WGS84 DATUM Amend NAM 13 light-buoy to, Fl.Y.5s 53° 14´·43N., 3° 56´·76E. NAM 23 light-buoy to, Fl.Y.5s 53° 03´·50N., 3° 32´·75E.

Source: UKHO Admiralty Notices to Mariners

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