Information about Air transport air operator's certificate Find out about applying for, changing or renewing an air transport Air Operator's Certificate (AOC). Aerial application air operator's certificate Find out about and apply for an aerial application AOC. Balloon transport air operator's certificate Find out about and apply for a balloon transport AOC. Replace lost or damaged air operator's certificate Find out how to apply for a replacement AOC. Find an air operator Search our list of air transport and aerial application AOC holders. Foreign operators Find out what you need to operate a foreign registered aircraft in Australian territory. Apply for an aerial work certificate (Part 138) Find out about and apply for an aerial work certificate. Application guidance for Part 91 approvals Find out about and apply for approvals required for particular activities under Part 91. Explanation of ICAO Taxonomy This letter is designed for AOC holders to explain how Australia is implementing taxonomy designators for aircraft. Show more Show less Also see Application guidance for flight training organisations Find out about certification for flight training organisations and how to apply for a Part 141 or Part 142 certificate.
