COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters AD/HU 369/47 Amdt 2 Over-Running Clutch - Sprag Assembly 1/86 Applicability: All models of 369D, E, F and H series aircraft equipped with any cargo hook. Requirement: Hughes Service Information Notice DN 81-1 EN-3, HN 164-1 and FN-3. Compliance: Inspection - Within 600 hours total time in service, unless already accomplished, and then at periods not exceeding 300 hours time in service. Retirement: Prior to the assembly exceeding 1800 hours time in service. Background: This Directive is amended to include the E series aircraft and its Requirement Documents.