> Usually a Full Court of three or more Judges sitting together will hear an appeal. However, appeals from a judgment of a Judge of the Federal Circuit and Family Court of Australia or from a Court of summary jurisdiction will be heard by a single judge unless a judge considers that it is appropriate for the appeal to be heard by a Full Court.
https://www.fedcourt.gov.au/law-and-practice/appeals/from-co...
> * Who hears appeals? *
> Usually a Full Court of three or more Judges sitting together will hear an appeal. However, appeals from a judgment of a Judge of the Federal Circuit and Family Court of Australia or from a Court of summary jurisdiction will be heard by a single judge unless a judge considers that it is appropriate for the appeal to be heard by a Full Court.