Chart correction 4116 — chart 1227
Chart 1227 [ previous update 2430/26 ] NAD83 DATUM Insert ¶ Fl.R.2·5s25ft3M 42° 53´·69N., 70° 48´·48W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.