Chart correction N23/20 — chart 74237

74237 4Ed. 9/22/17 LAST NM N21/20 N23/20 Delete Legend “SS (Traffic)” from tower 19°15.142′S 146°49.916′E Change Legend to “198.9°” 19°14.687′S 146°50.073′E Add Note “DREDGED AREAS Depths in dredged areas, although generally maintained, may be less than charted. For the latest information, consult the Harbor Master.” 19°16.950′S 146°50.330′E (4(146), 7(273), 14(557)18 Wollongong)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 9/22/17

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