Chart correction N18/23 — chart 71248

71248   4Ed.  03/23/19  LAST  NM  N53/22  N18/23 Delete Mooring buoy "TK-MB-12"   1°23′07.8″N  104°01′20.4″E Mooring buoy "TK-MB-11"   1°23′15.6″N  104°01′12.6″E Relocate Buoy "NEA-CHG" from 1°20′01.2″N  104°02′31.2″E to   1°19′01.8″N  104°03′35.4″E Add Mooring buoy "TK-MB-11", Fl Y 3s [Q41.1]   1°23′42.0″N  104°00′57.0″E Mooring buoy "TK-MB-12", Fl Y 3s [Q41.1]   1°23′30.0″N  104°01′03.0″E (4(15, 16, 23)23 Singapore)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 03/23/19

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