Commonwealth legislation

AD/BELL 47/81 Amdt 2 - Tail Rotor Pitch Links

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive requires operators of Bell 47 helicopters fitted with P/N 47-641-170 series tail rotor assemblies to carry out the actions in the referenced Bell/Kawasaki service bulletin within 100 flight hours after 31 July 1980. It updates the compliance instruction to introduce a replacement bolt and safety washer and adds Kawasaki‑Bell helicopters to the affected group. Operators pay for inspections, parts and any replacements required to prevent restricted blade flapping.

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Current sections

Direct links to the current provisions in AD/BELL 47/81 Amdt 2 - Tail Rotor Pitch Links.

AD/BELL 47/81 Amdt 2 - Tail Rotor Pitch Links

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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 47/81

Amdt 2

Tail Rotor Pitch Links 10/86

Applicability: All models fitted with P/N 47-641-170 series (206 type) tail rotor assembly. Document: Bell Alert Service Bulletin 47-80-5, Revision A. Kawasaki-Bell S.B. KSB-Bell 351. Compliance: Within 100 hours time in service after 31 July 1980.

Background: Excessive rod end bearing wear could allow displacement of the pitch link and restrict blade flapping. This Directive is revised to reflect a change in the compliance document, which introduces a replacement bolt and safety washer. 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.