Federal Register of Legislation
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 12/19 Main Rotor Blades - Inspection 11/71
Applicability: All models.
Requirement: 1. Carry out a visual inspection for cracks in the main rotor blades P/No. 53100.
Note: This inspection may be performed and certified by the pilot.
2. Inspect blades P/N 53100 for cracks using an approved dye penetrant method.
Note: Any blades found defective shall be removed from service before further flight.
Compliance: For Para. 1 - Before further flight.
For Para. 2 - Within 10 hours' time in service after 16 Nov. 1971.
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