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 60/15 Wing Lift Detector With Heated Vane 2/72 Applicability: Model 60 with S/Nos. P-3 to P-122 and P-124 to P-126, and Model A60 with S/Nos. P-123, P-127 to P-151, P-153, P-154, P-157 and P-159 to P-162, used for flight into known icing conditions. Requirement: Action in accordance with Beechcraft SI No. 0431-355 and Beechcraft SI No. 0430- 355, Rev. 2. Compliance: Before 31 October 1972.