Chart correction N52/23 — chart 71253

71253  13Ed.  04/13/19  LAST  NM  N40/23  N52/23 Add Foul ground symbol [K31.1]   1°13′19.8″N  103°41′32.4″E (12(69)23 Singapore)

Source: NGA U.S. Notice to Mariners · edition: 13Ed. 04/13/19

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