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 90/43 Seat Locking Pins - Replacement 5/76 Applicability: Model C90 with S/Nos. LJ-654, LJ-674 to LJ-676; Model E90 with S/Nos. LW-134, LW-157 to LW-163. Document: 1. Beechcraft SI No. 0789-314; or 2. FAA AD 76-04-02. Compliance: Within 100 hours' time in service after 31 May 1976.