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/7 Throttle and CSU Controls NK Applicability: S/Nos. 501 to 505. Document: Scottish Aviation Mod. No. C344. Compliance: Forthwith.