The research aims to find the substantive responsibilities of ad hoc judges in deciding cases of gross human rights violations based on the principle of distributive justice according to Aristotle. Finding the regulation of procedural responsibility of ad hoc judges personally according to the provisions of the legislation in Indonesia. Evaluate the administrative responsibility through the supervision mechanism carried out on ad hoc human rights judges. The normative juridical method was used in the research. The result of the research is that ad hoc judges deciding cases of gross human rights violations do not consider the legal elements of gross human rights violations. Also, evidentiary procedures are weak due to the fact that ad hoc judges are institutionally independent and personally not because the influence of the head of the court still exists. BAWASMARI's internal supervision is inadequate, such as disciplinary checks on judges that are not transparent.