Commonwealth legislation

AD/PA-25/30 - Primary Control Cable Turnbuckles - Inspection

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

1/10 complexity

What this is: A mandatory safety instruction (an Airworthiness Directive) issued by the aviation regulator for specific agricultural aircraft.

The requirement: Owners and operators of Piper PA-25 Pawnee aeroplanes (those with serial numbers 25-1 through 25-5293) must inspect the turnbuckles on their primary flight control cables. Turnbuckles are adjustable metal fittings that keep control cables taut; if they fail or come loose, the pilot can lose control of the aircraft.

What must be done:

Inspect these turnbuckles following the procedures in Piper Service Bulletin No. 328 (the manufacturer's technical instructions)
Complete the inspection within 100 hours of flight time after 31 March 1971

Who this affects: Anyone operating these specific Pawnee aircraft in Australia—typically used for crop dusting and agricultural work.

Why it matters: This prevents potentially catastrophic loss of control caused by mechanical failure of these critical hardware components.

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Current sections

Direct links to the current provisions in AD/PA-25/30 - Primary Control Cable Turnbuckles - Inspection.

AD/PA-25/30 - Primary Control Cable Turnbuckles - Inspection

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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 Piper PA-25 (Pawnee) Series Aeroplanes

AD/PA-25/30 Primary Control Cable Turnbuckles - Inspection 3/71

Applicability: All models with S/Nos. 25-1 to 25-5293. Document: Piper SB No. 328.

Compliance: Within 100 hours time in service after 31 March 1971.

Source text

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