Information about Certified instrument flight procedure designers Find people authorised to design, review or amend instrument flight procedures for use by Australian aircraft. Navigation approvals Find out how to apply for navigation approval and the steps in the application process. North Atlantic high level airspace operations Learn about the approvals required for flying across the North Atlantic and what equipment you need to have. Performance-based communications and surveillance Learn about common regional virtual network, performance-based communications and surveillance. Performance-based navigation Find out about navigation specifications, authorisations, certificates, databases and installations. Rules and regulations See the rules for communications, navigation, surveillance and air traffic management (CNS/ATM). SATCOM voice Find out about using SATCOM voice (SATVOICE) for long range communications. Surveillance equipment Find out about surveillance equipment in our CNS and air traffic management (ATM) network. Show more Show more Show less Also see Part 91 of CASR Part 91 applies to all aviation operations except drones. Part 143 of CASR Part 143 sets out certification, requirements and operating rules for air traffic services training providers. Part 171 of CASR Part 171 sets out the rules and standards for aeronautical telecommunications. Part 172 of CASR Part 172 of CASR sets out requirements for the approval of air traffic services providers. Part 173 of CASR Part 173 sets the standards for the design of instrument flight procedures. Show more Show more Show less