Chart correction 24/20 — chart 71430
71430 3Ed. 1/18/03 LAST NM 21/20 24/20 Add Depth 19.2 meters, blue tint and enclosing depth contour (20-meter) centered 1°17.9′N 104°25.2′E (SGP CH 503)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 1/18/03
Reference information — always verify against official Notices to Mariners before navigation.