Chart correction 44/21 — chart 94220
94220 5Ed. 1/8/11 LAST NM 41/21 44/21 Substitute Depth 5.9 meters for depth 5.4 meters Obstn 31°02.8′N 122°07.5′E Depth 6.1 meters for depth 6.1 meters Obstn 31°08.3′N 121°54.8′E Depth 6.3 meters for depth 5.6 meters Obstn 31°07.8′N 121°55.4′E Depth 5.3 meters for depth 4.9 meters Obstn 31°06.5′N 121°57.9′E (See 6, 12/21) (32(1129)21 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 1/8/11
Reference information — always verify against official Notices to Mariners before navigation.