COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Sikorsky S-76 Series Helicopters AD/S-76/1 Amdt 2 Fuselage Tail Cone Inspections 6/80 Applicability: All models S76A. Document: FAA Emergency Telephone AD No. T80NE/24. Compliance: As detailed in the requirement document. Background: The inspection and requirement times applicable to the stabiliser support fitting clamps have been revised.