Acceptable Means of Compliance and Guidance Material Learn more about acceptable means of complying with CASR requirements. All flight operations transition resources View all resources relating to the flight operations regulation transition. Flight operations newsletters Flight operations transition newsletters. Explanation of ICAO Taxonomy This letter is designed for AOC holders to explain how Australia is implementing taxonomy designators for aircraft. Forms Find forms related to the flight operations regulations transition. Sample operations manual templates Template documents and guides that air operators can use to meet regulations. Show more Show more Show less