COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piaggio P166 Series Aeroplanes AD/P166/31 Main Landing Gear Retraction Jack Pivot - Modification Applicability: All models P166 and P166B. Document: Piaggio SB No. 166-49. Compliance: Forthwith. 1/66