Audit of medical certificates Learn what you need to know and do when your medical certificate states 'CASA surveillance required'. Report condition changes Find out when and how to report a change in your medical condition. Renew a medical certificate Learn how to renew your medical certificate, including organising your next medical. Clinical case conference panel Find how you can meet with an informal panel of aviation medicine representatives to discuss your medical certificate. Complaints and objection to medical decision Read the options and processes to complain or object to a medical decision. Show more Show more Show less Also see Medical tests Find out about additional medical tests that may be required for some pilots and air traffic controllers. Show more Show less