Chart correction 07/23 — chart 521

★521 11Ed. 7/18/81 LAST NM 14/21 07/23 Add Depth 6 fathoms, blue tint, and enclosing dotted line circle centered 7°04′N 172°46′E (NTM0002/2023)

Source: NGA U.S. Notice to Mariners · edition: 11Ed. 7/18/81

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