Chart correction N21/21 — chart 93710

93710 4Ed. 4/27/13 LAST NM N7/21 N21/21 Substitute Depth 4 meters, St [J5] for 10.9 meters 20°54.4′N 110°38.4′E and extend depth contour (10-meter) and blue tint SE to enclose (13(411)21 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 4/27/13

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