COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beagle B206 Series Aeroplanes AD/BEA 206/10 Amdt 1 Applicability: All models. Wing Structural Life Limitation 1/76 Requirement: Action in accordance with Scottish Aviation SB No. B206/54. Compliance: As detailed in the Requirement Document.