COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace (Scottish Aviation) Twin Pioneer Series Aeroplanes AD/SA-TP/16 Control Column Inspection Hole NK Applicability: All models. Document: Scottish Aviation Mod. No. C860. Compliance: Forthwith. Federal Register of Legislative Instruments F2006B06764