Chart correction N21/23 — chart 74402
74402 2Ed. 03/10/17 LAST NM N04/23 N21/23 Delete Depth 13.6 meters 12°20.79′S 130°43.23′E Depth 14.7 meters 12°20.93′S 130°43.38′E Depth 13.8 meters 12°20.92′S 130°43.15′E Add Depth 13.3 meters 12°20.86′S 130°43.23′E (9(347)23 Wollongong)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 03/10/17
Reference information — always verify against official Notices to Mariners before navigation.