Chart correction 646 — chart 1186

Chart 1186 (INT 1426) (Panel A, Canvey Island to Coalhouse Point) [ previous update 5050/23 ] ETRS89 DATUM Insert depth, 49, and extend 5m contour W to enclose (a) 51° 27´·906N., 0° 27´·284E. Delete depth, 72, close SW of: (a) above

Source: UKHO Admiralty Notices to Mariners

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