COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters AD/BELL 206/21 Cyclic Stick Lever Assembly P/N 206-00-339-1 - Inspection 9/69 Applicability: All model 206A and AB-206A equipped with dual controls which were delivered prior to 15 July 1969 and any model in which dual control kit P/N 206-706-006-1, -3, or -5 was installed prior to that date. Document: Bell SB No. 206A-13. Compliance: Within 10 hours time in service after 21 August 1969. Background: AD/Agusta 206/12 equivalent.