On 4 September 2012, the Civil Aviation Safety Authority (CASA) announced amendments to the Civil Aviation Regulations 1988 to introduce safety improvements in avionics equipment termed Airborne Collision Avoidance Systems which are carried on turbine powered commercial transport aircraft to detect and resolve potential conflict situations between two equipped aircraft. CASA consider that the current technology of the air traffic management system used for navigation and surveillance is based on outdated radar and ground-based navigation aids. The proposed mandatory systems require all the affected aircraft to have the necessary equipment installed to provide for inter-operation with the air traffic management system. A Regulation Impact Statement was prepared by CASA and has been assessed as adequate by the Office of Best Practice Regulation.
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