Chart correction 4244 — chart 91

Chart 91 (INT 1812) [ previous update 409/23 ] WGS84 DATUM Insert the accompanying note, UNCHARTED DRILLING RIGS AND WELLHEADS, centred on: 36° 34´·8N., 5° 43´·3W. legend, Uncharted Drilling Rigs and Wellheads (see Note), centred on: 35° 11´·8N., 6° 33´·1W.

Source: UKHO Admiralty Notices to Mariners

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