Chart correction N31/21 — chart 22173

★22173 37Ed. 10/13/12 LAST NM N18/21 N31/21 Add Dangerous wreck [K28] 12°03′30″S 77°09′16″W (See N24/19) (NTM0001/2021)

Source: NGA U.S. Notice to Mariners · edition: 37Ed. 10/13/12

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