Information about How the exam system works Find out how to book an exam and how much it costs. Pre-qualifications for pilot exams Find out what exams need pre-qualifications before you start. Also see Pilot and flight crew exams Learn more about pilot and flight crew exams, what to study and how to sit an exam. Individual aviation reference numbers Learn more about an aviation reference number and how you can apply. Practice using PEXO Find out more about the Pilot Examination Office (PEXO) system. Pilot licences Find out about recreational, private, commercial and air transport pilot licences. Find a flight training organisation How to find a flight training organisation to obtain or maintain a licence, rating or endorsement.