COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 90 and 65-90 (King Air) Series Aeroplanes AD/BEECH 90/52 Amdt 1 Flight Controls - Inspection 3/79 Applicability: All models : B90 & C90 with S/Nos. LJ-500 to LJ-706; E90 with S/Nos. LW-1 to LW-209 and all 65-90 and 90 series fitted with a rudder shipped from Beech during period 1 May 1973 to 1 July 1976. Document: Beechcraft SI No. 0629-150, Rev. II. Compliance: Unless already accomplished, within 100 hours' time in service after 31 January 1979.