Chart correction N18/20 — chart 71247

71247 21Ed. 4/13/19 LAST NM N28/19 N18/20 Add Buoy “NEA-WRM-MP” Y, pillar, “X” topmark, Oc(2) Y 6s [Q130.6] 1°17′40.2″N 103°55′13.8″E (9(94)19 Singapore)

Source: NGA U.S. Notice to Mariners · edition: 21Ed. 4/13/19

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