AD/HILLER 12/9 Amdt 1 - Horizontal Stabiliser Spar - Inspection
1AD/HILLER 12/9 Amdt 1 - Horizontal Stabiliser Spar - Inspection
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Hiller UH-12 Series Helicopters
AD/HILLER 12/9
Amdt 1
Horizontal Stabiliser Spar - Inspection 3/78
Applicability: All models UH-12, UH-12A, UH-12B and UH-12C.
Requirement: Remove the horizontal stabiliser, and with the aid of a lens of not less than 8X power, inspect the spar tube for cracking in the vicinity of the stabiliser attachment bolt holes.
Compliance: At intervals not exceeding 300 hours’ time in service.