Chart correction 3640 — chart 2580

Chart 2580 [ previous update 2971/25 ] NAD83 DATUM Insert GfFl.Y.2s 40° 59´·05N., 73° 30´·62W. GfFl.Y.4s 40° 59´·09N., 73° 30´·42W. Wk35/25 II 2.30

Source: UKHO Admiralty Notices to Mariners

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