Commonwealth legislation

AD/PA-30/19 - Airflow Modification Kit - Installation

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

2/10 complexity

What this is: An Airworthiness Directive (AD) — a mandatory safety order issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations.

What it requires: Owners and operators must install an Airflow Modification Kit on specific Piper Twin Comanche aircraft.

Who it affects: This applies to Piper PA-30 model aeroplanes with serial numbers prior to 30-2000, except those already modified according to Piper Service Letter No. 558, paragraph 3.

Why it matters: The directive corrects a safety issue related to airflow (likely affecting engine cooling or aerodynamic performance) that could compromise flight safety if left unaddressed.

Compliance deadline: The modification had to be completed before 1 July 1972.

Technical details: The specific installation instructions are contained in Piper Service Letter (SL) No. 558.

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Direct links to the current provisions in AD/PA-30/19 - Airflow Modification Kit - Installation.

AD/PA-30/19 - Airflow Modification Kit - Installation

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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-30 & 39 (Twin Comanche) Series Aeroplanes

AD/PA-30/19 Airflow Modification Kit - Installation 7/72

Applicability: Model PA-30 with S/Nos. prior to 30-2000 which are not modified as detailed in SL No. 558 instructions para. 3.

Document: Piper SL No. 558. Compliance: Before 1 July 1972.

Source text

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