Aircraft certification Aircraft flight testing Find out why new aircraft or changes to an existing aircraft results in flight testing. Australian manufactured aircraft View a list of aircraft manufactured in Australia and their type certificate. Experimental flight test planning Find out how flight tests specialists plan and conduct experimental flight tests to support certification compliance. Experimental flight test reporting Find out about the final phase of the experimental flight test and the process of reporting. Foreign manufactured aircraft Search a list of foreign manufactured aircraft. Part 21 of CASR Part 21 of CASR sets out the certification and airworthiness requirements for aircraft and parts. Register of supplemental type certificates View our register of Australian supplemental type certificates. Supplemental type certificate If you're changing the design of a type-certified aircraft you need a supplemental type certificate. Type acceptance certificate Find out how to apply for a a type acceptance certificate (TAC) for imported aircraft. Type certificate Learn how aircraft type certificates confirm that aircraft type designs meet required design standards. Show more Show less Aircraft design and manufacturing Approved design organisations View our list of approved design organisations. Approved production services Search our list of production approval holders. Authorised design approvers Search our list of people authorised to provide design approvals. Change an approved design organisation Apply to be an approved design organisations (ADOs) to make certain changes to the business or their scope. Instrument of Appointment Apply to be an authorised person to carry out design or alteration activities. Design organisation approval Learn how to apply to carry out design activities. Production authorisation Find out how to apply for a production approval. Show more Show less