The difference between paper charts and electronic charts

Paper is a non-powered fail-safe; Electronic (ENC) offers real-time GPS overlay, depth alarms, and easier updating but requires power.

What's the difference between paper and ENCs?

Paper (AUS) is static; ENCs (AU) are vector-based digital files ECDIS units

Do I need paper nautical charts for marine navigation?

Yes. AMSA and state authorities require or strongly recommend paper backups in case of electronic failure.

What is the best marine navigation chart for boating in Australia?

Official AHO "AUS" charts are the only legal standard; laminated versions are preferred for small-boat durability.

Nautical paper charts Australia updated editions

Official AHO paper charts (prefix "AUS") are updated fortnightly. You can find the latest edition numbers on the Australian Chart Index (ACI).

Are Australian nautical charts available online as PDFs?

No. Official charts are sold as paper or encrypted ENCs.

Are nautical charts available online in Australia?

Yes, but official navigation-grade data (AusENC) requires a paid license; free versions are for planning only.