Chart correction N06/23 — chart 94427
94427 2Ed. 06/23/90 LAST NM N11/22 N06/23 (Panel A) Add Mooring buoy "4", spherical [Q40] 38°50′30.0″N 121°33′18.0″E (51(1693)22 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 06/23/90
Reference information — always verify against official Notices to Mariners before navigation.