Chart correction N44/21 — chart 94216
94216 9Ed. 8/4/12 LAST NM N41/21 N44/21 Substitute Depth 5.9 meters for depth 5.4 meters Obstn 31°02′47″N 122°07′33″E Depth 6.1 meters for depth 6.1 meters Obstn 31°08′16″N 121°54′50″E Depth 6.3 meters for depth 5.6 meters Obstn 31°07′45″N 121°55′22″E Depth 5.3 meters for depth 4.9 meters Obstn 31°06′28″N 121°57′56″E (See N18/21) (32(1129)21 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 9Ed. 8/4/12
Reference information — always verify against official Notices to Mariners before navigation.