COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Hiller UH-12 Series Helicopters
AD/HILLER 12/2 Main Rotor Blade Spar - Inspection 2/61 Applicability: All models UH-12D and UH-12E prior to S/Nos. 2086 except S/Nos. 1074 and 2084. Document: Hiller SB No. 2016.
Compliance: Before 7 February 1961.