Chart correction N21/21 — chart 93778
93778 9Ed. 5/18/13 LAST NM N7/21 N21/21 (Panel B) Substitute Depth 4 meters, St [J5] for 4.8 meters 20°54′24″N 110°38′26″E (13(411)21 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 5/18/13
Reference information — always verify against official Notices to Mariners before navigation.