Information about List of data service providers View our list of data service providers who are approved to publish aeronautical data, information and charts. Role of aeronautical data originators Aeronautical data originators provide data and information for publication. Obstacle data providers Learn who can request information about objects or structures that may affect aviation safety. Also see CASR Part 175 Aeronautical information management CASR Part 175 establishes a regulatory framework for the management of aeronautical information. Part 139 of CASR Aerodromes Part 139 of CASR prescribes the requirements for aerodromes used in air transport operations.
