Chart correction N9/20 — chart 71251
71251 14Ed. 4/20/19 LAST NM N29/19 N9/20 Delete Buoy (mooring) “TK-MB-3” 1°22′00.4″N 104°02′40.0″E Buoy (mooring) “TK-MB-4” 1°22′07.7″N 104°02′31.2″E (9(93)19 Singapore)
Source: NGA U.S. Notice to Mariners · edition: 14Ed. 4/20/19
Reference information — always verify against official Notices to Mariners before navigation.