The Australian Charting Area (ACA) covers waters where Australia has specific obligations under the International Convention for the Safety Of Life At Sea (SOLAS) convention, United Nations Convention on the Law Of the Sea (UNCLOS) and the Navigation Act 2012 (Cth). The ACA also covers areas where Australia provides hydrographic services, including the publication of nautical information and International Series (INT) Charts as agreed by members of the International Hydrographic Organisation. The AHO has supporting arrangements in place to provide hydrographic services to other countries namely, Papua New Guinea and Solomon Islands.
