Commonwealth legislation

AD/PA-22/21 - Landing Gear Fairing - Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

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Commonwealth

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legislative instrument

Plain English Summary

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What this is: This is an Airworthiness Directive (a mandatory safety order) issued by the Civil Aviation Safety Authority for owners and operators of Piper PA-22 "Tri-Pacer" and "Colt" aeroplanes.

What it requires: Owners must modify the fabric covering (fairing) around the main landing gear by removing the bottom 3 inches (approximately 7.6 cm). After this modification, they must:

Reseal the shortened fabric covering
Ensure adequate drainage to prevent water buildup
Inspect the lower welded areas of the landing gear for corrosion and cracking

Why it matters: This prevents moisture and debris from becoming trapped inside the landing gear fairing, which could cause rust or structural cracks in the welded joints — a potential safety hazard.

Who it affects: All models of the PA-22 series. The directive specified compliance before 5 July 1963.

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AD/PA-22/21 - Landing Gear Fairing - Modification

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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-22 (Tri-Pacer and Colt) Series Aeroplanes

AD/PA-22/21 Landing Gear Fairing - Modification 5/63

Applicability: All models.

Requirement: Modify the fabric fairing of the main landing gear by removing the lower 3 inches.

Reseal the shortened fairing and provide adequate drainage. Inspect the lower welded area for corrosion and cracking.

Compliance: Before 5 July 1963.

Source text

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