Chart correction 30/21 — chart 74290

74290 12Ed. 3/14/09 LAST NM 28/20 30/21 Add Buoy Y, can, Fl(5) Y 20s AIS [Q130.6] 10°36.4′S 142°30.7′E Buoy Y, can, Fl(5) Y 20s AIS [Q130.6] 10°33.4′S 141°59.5′E (11(468)21 Wollongong)

Source: NGA U.S. Notice to Mariners · edition: 12Ed. 3/14/09

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