COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 60 (Duke) Series Aeroplanes AD/BEECH 60/30 Amdt 3 Wing Panel to Centre Section Front Spar Lower Attachment, Bolt and Nut 3/80 Applicability: All models 60, A60 and B60 with S/Nos. P-4 to P-522, P-486 to P-519, P-521 and P- 522. Requirement: Action in accordance with Beechcraft SI No. 1100. Compliance: In accordance with Requirement document.