Chart correction 2651 — chart 2492
Chart 2492 [ previous update 943/26 ] NAD83 DATUM Insert GfFl.Y.20s 'SP2' 41° 00´·5N., 71° 13´·3W. GfFl.Y.20s 'SP1' 40° 59´·0N., 71° 13´·3W. GfFl.Y.20s 'SP5' 40° 59´·3N., 71° 02´·4W. GfFl.Y.20s 'SP3' 41° 01´·4N., 70° 53´·8W. GfFl.Y.20s 'SP4' 40° 58´·9N., 70° 54´·3W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.