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 90/34 Amdt 1 Strobe Light Bonding Straps - Modification 1/75 Applicability: All models C90, S/No. LJ-502 thru LJ-643, E90 S/No. LW-1 thru LW-117. Fitted with Grimes P.N 30-0467-1 or Grimes P/N 30-0467-3 Strobe Light Assemblies. Document: Beechcraft SI No. 0655-362, Rev. 1. Compliance: Within 100 hours' time in service after 31 January 1975.