Chart correction 3176 — chart 4237

Chart 4237 [ previous update 4123/23 ] SIRGAS DATUM Insert pier, single firm line, joining: 29° 56´·673S., 71° 20´·101W. 29° 56´·642S., 71° 19´·929W. 29° 56´·635S., 71° 19´·925W. 29° 56´·552S., 71° 19´·807W. 29° 56´·567S., 71° 19´·793W. 29° 56´·650S., 71° 19´·911W. 29° 56´·645S., 71° 19´·916W. 29° 56´·679S., 71° 20´·099W. ÿ Dn 29° 56´·651S., 71° 19´·926W. 29° 56´·536S., 71° 19´·770W. Delete depth, 3 29° 56´·667S., 71° 20´·045W. depth, 158 29° 56´·620S., 71° 19´·875W.

Source: UKHO Admiralty Notices to Mariners

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