Chart correction N4/21 — chart 74342
74342 2Ed. 3/10/17 LAST NM N47/20 N4/21 Relocate Buoy (mooring) from 12°27.828′S 130°49.696′E to 12°27.920′S 130°49.790′E (See N47/20) (24(988)20 Wollongong)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 3/10/17
Reference information — always verify against official Notices to Mariners before navigation.