COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerospatiale Rallye Series Aeroplanes AD/MSR/16 Firewall Engine Mount Attachment Fittings - Inspection 8/71 Applicability: All models. Document: Rallye SB No. 86. Compliance: Within 100 hours time in service after 30 September 1971 and there after at intervals not exceeding 100 hours time in service.