Chart correction 3396 — chart 1227
Chart 1227 [ previous update 2212/24 ] NAD83 DATUM Delete HpZMo(A) 'NC' Whis and associated Automatic Identification System, AIS (a) 42° 22´·57N., 70° 54´·30W. radar beacon, Racon(N)(3cm), at light-buoy (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.