Commonwealth legislation

AD/BELL 47/80 Amdt 3 - Main Rotor Head Counterweight Rod

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This directive mandates recurring inspections of main rotor head counterweight rods on specified Bell 47 series (now including Kawasaki‑Bell variants), requiring an initial check within 100 hours TIS after 31 Oct 1982 and repeats at intervals not exceeding 300 hours.

It affects owners, operators and maintenance providers, who must follow the referenced Bell/Kawasaki service bulletins; it creates ongoing inspection costs, scheduled downtime, and a binding procedural requirement for compliance.

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AD/BELL 47/80 Amdt 3 - Main Rotor Head Counterweight Rod

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Bell Helicopter Textron 47 (All Variants) Series Helicopters

AD/BELL 47/80

Amdt 3

Main Rotor Head Counterweight Rod 10/86

Applicability: All models 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G- 3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47J, 47J-2, and 47J-2A.

Document: Bell ASB No. 47-78-2, Rev. B. Kawasaki-Bell KSB-Bell 348A.

Compliance: Within 100 hours time in service after 31 October 1982, and thereafter at periods not exceeding 300 hours time in service.

Background: Service experience indicates the need to reduce the inspection periods for counterweight rods. This Directive has been amended to include Kawasaki-Bell helicopters.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.