AD/BELL 47/59 - Main Rotor Blades
1AD/BELL 47/59 - Main Rotor Blades
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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 Bell Helicopter Textron 47 (All Variants) Series Helicopters
AD/BELL 47/59 Main Rotor Blades 10/65
Applicability: All model 47 series with metal main rotor blades.
Requirement: Carry out a visual inspection for cracking of the upper and lower surfaces of the main rotor blades adjacent to the outboard extremity of the root reinforcement doublers at the trailing edge.
Compliance: Before 1500 hours blade time in service and thereafter at intervals not exceeding 100 hours time in service.