COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Bell Helicopter Textron 47 (All Variants) Series Helicopters AD/BELL 47/85 Engine Mount Strut Rod Ends - Replacement 3/81 Applicability: All models 47 equipped with Soloy turbine conversion. Document: Soloy Conversions Ltd. SB 03-660. Compliance: Within 100 hours time in service after 31 March 1981. Background: Replacement of stainless steel rod ends is necessary to assure the continued airworthiness of engine mount struts.