Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) A certified designer must provide and maintain adequate facilities for carrying on design work on terminal instrument flight procedures under the designer's procedure design certificate, including:
(a) providing premises and equipment appropriate for the certified designer's employees to carry on the design work; and
(b) ensuring that those employees have access to all necessary data for designing the procedures including:
(i) accurate and current databases or charts detailing terrain and obstacle information; and
(ii) accurate and current navigation aid coordinate data; and
(iii) accurate and current aerodrome reference point and threshold data.
(2) A certified designer must, if an aeronautical database and aeronautical data is required for designing a terminal instrument flight procedure under the designer's procedure design certificate, have, and put into effect, procedures to ensure the integrity of the database and the data.