AD/BELL 47/78 - Main Rotor Gimbal Rings - Retirement Life (Cth)
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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 47/78 Main Rotor Gimbal Rings - Retirement Life 5/76
Applicability: All models. Document: Bell SB 47-76-4. Effective: 1 September 1976.