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 47/84 Frame Stiffening Assembly 660-2001-1 - Inspection
Applicability: All models 47G equipped with Soloy turbine conversion. Document: Soloy Conversions Limited SB 12-660.
Compliance: Within 100 hours time in service after 31 March 1981.
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Background: There is a possibility that the tubes comprising the stiffener assembly may not have received interior treatment.