COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Aircraft Parts and Development (CALL AIR) A-9 Series Aeroplanes
AD/AC-CLA/1 Fore and Aft Canopy Tubes 9/64
Applicability: All A-9 Series.
Requirement: Modify the fore and aft tubes of the cockpit canopy, in the line of the pilot’s head, by the provision of an attachment to increase the effective radius of curvature to not less than 50 mm. Cover this attachment with suitable energy absorbing material of at least 25 mm thickness.
Compliance: Before 1 September 1971.