Chart correction 4737 — chart 540
Chart 540 [ previous update 4067/24 ] WGS84 DATUM Insert depth, 181, and extend 20m contour S to enclose 12° 45´·27S., 38° 38´·63W. depth, 18, enclosed by 2m contour (a) 12° 45´·72S., 38° 39´·92W. Delete depth, 42, close W of: (a) above Insert depth, 22, and extend 5m contour NW to enclose (b) 12° 46´·19S., 38° 39´·88W. Delete depth, 186, close W of: (b) above Insert depth, 09 (c) 12° 46´·68S., 38° 40´·38W. Delete depth, 15, close NW of: (c) above Insert depth, 93, and extend 10m contour E to enclose 12° 49´·05S., 38° 43´·42W. Replace depth, 14, with depth, 09 12° 46´·04S., 38° 39´·91W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.