COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 200 (Super King Air) Series Aeroplanes AD/BEECH 200/15 Aileron Control System 6/77 Applicability: All model with S/Nos BB-2 to BB-250. All model 200T with S/Nos BT-1 and BT-2. Requirement: Action in accordance with Beechcraft SI No 0906. Compliance: Within 100 hours time in service after 30 June 1977.