Chart correction 4509 — chart 1186
Chart 1186 (INT 1426) (Panel B, Coalhouse Point to Tilbury) [ previous update 5647/25 ] ETRS89 DATUM Delete ·{ 51° 26´·756N., 0° 21´·859E. 51° 26´·683N., 0° 23´·606E. 51° 26´·678N., 0° 23´·727E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.