Chart correction N7/21 — chart 74180
74180 3Ed. 7/26/13 LAST NM N27/20 N7/21 Add Chartlet from Subsection I-2 27°22.900′S 153°09.300′E (See N47/19) (18(690)20 Wollongong)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 7/26/13
Reference information — always verify against official Notices to Mariners before navigation.