Chart correction N18/23 — chart 71256

71256   3Ed.  01/16/21  LAST  NM  N06/23  N18/23 Add Buoy "NEA-CHG" Y, pillar, "X" topmark, Fl Y 4s [Q130.6]   1°19′02″N  104°03′35″E (4(15)23 Singapore) ★74304   3Ed.  12/9/22  NEW  EDITION  N18/23 (NGA)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 01/16/21

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