Information about Audit of medical certificates Learn what you need to know and do when your medical certificate states 'CASA surveillance required'. Aviation medicine fact sheets and case studies Our fact sheets and case studies help patients understand the aeromedical impacts of some health conditions. Classes of medical certificate Find out more about the different classes of medical certificates and what you can do with that medical certificate. Endorsements on a medical certificate Find out about what an endorsement or restriction on your certificate means, and what you can do. Find a medical or eye examiner Search for a designated aviation medical examiner (DAME) or designated aviation ophthalmologist (DAO). Medical certificate fees, payments and processing Learn about medical certificate fees, payments and processing. Renew a medical certificate Learn how to renew your medical certificate, including organising your next medical. The medical certification process Read about the medical certification process, and how to get the right medical certificate. Show more Show less Also see Medical professionals Information for designated aviation medical examiners (DAMEs) and designated aviation ophthalmologists (DAOs).