Chart correction 2800 — chart 1631
Chart 1631 (INT 1418) [ previous update 2683/24 ] WGS84 DATUM Insert ¼{ HKW-B (a) 52° 36´·82N., 3° 44´·22E. Automatic Identification System, AIS, at platform (a) above circular limit of restricted area, radius 500m, Ç, centred on: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.