Chart correction N15/20 — chart 74180
74180 3Ed. 7/26/13 LAST NM N11/20 N15/20 Substitute Depth 4.6 meters for 5 meters 27°23.507′S 153°09.380′E (4(236)16 Wollongong)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 7/26/13
Reference information — always verify against official Notices to Mariners before navigation.