COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piaggio P166 Series Aeroplanes AD/P166/1 Teleflex Rods for Engine Controls - Protection 6/61 Applicability: S/Nos. prior to 359. Document: Piaggio Change Order No. 66-1. Compliance: Forthwith.