COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SD3-30 Series Aeroplanes AD/SD3-30/13 Amdt 1 Right and Left Drag Links - Inspection and Modification 4/83 Applicability: All model SD3-30 with S/Nos. SH3002 to SH3088. Document: Shorts SB No. SD3-53-48, Rev. 1. Compliance: Unless already accomplished, within 600 hours time in service after 30 November, 1982. Background: Amendment 1 introduces repeat inspection intervals for certain repair limits and adds a radiographic technique.