Chart correction 4244 — chart 2717

Chart 2717 [ previous update 4570/22 ] WGS84 DATUM Insert the accompanying note, UNCHARTED DRILLING RIGS AND WELLHEADS, centred on: 39° 03´·6N., 5° 16´·6W. legend, Uncharted Drilling Rigs and Wellheads (see Note), centred on: 35° 10´·7N., 6° 33´·1W. åWell 35° 20´·5N., 4° 16´·2W.

Source: UKHO Admiralty Notices to Mariners

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