AD/PORSCHE/1 - Camshaft Oil Feed Pipes - CANCELLED

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Legislation au F2009L03929 Not in force Legislative Instrument

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CIVIL AVIATION ACT 1988

CIVIL AVIATION SAFETY REGULATIONS 1998

ISSUE OF AIRWORTHINESS DIRECTIVE

Under section 98 of the Civil Aviation Act 1988, the Governor-General may make regulations for the purposes of the Act and in the interests of the safety of air navigation.  Under regulation 39.001 of the Civil Aviation Safety Regulations 1998, the Civil Aviation Safety Authority (CASA) may issue airworthiness directives (ADs) for kinds of aircraft or aeronautical products.  Subregulation 39.001(5) of the Civil Aviation Safety Regulations 1998 provides that an AD is a disallowable instrument for the purposes of section 46A of the Acts Interpretation Act 1901. Therefore, in accordance with section 6 of the Legislative Instruments Act 2003, an AD is a legislative instrument.

Under Annex 8 to the Convention on International Civil Aviation, the State of Design has overall responsibility for continuing airworthiness of an engine type, and must provide any information necessary to ensure the continuing airworthiness of a type to appropriate States of Registry.  ADs (and their equivalents) are the most common form of continuing airworthiness information, and are issued by most ICAO Contracting States.

The State of Registry of an individual aircraft is responsible for its continuing airworthiness.  Under Annex 8, the State of Registry must develop or adopt requirements to ensure the continuing airworthiness of aircraft, including the continuing airworthiness of engines installed in aircraft.

CASA or its predecessors issued AD/PORSCHE/1 affecting Porsche engines in 1987.  CASA has reviewed this AD and as a result has cancelled it.  The cancellation will become effective on 19 November 2009.  No replacement AD is required.

As this AD has been cancelled because of Australia’s obligations under the Convention on International Civil Aviation, no consultation with the Australian public has taken place on this AD cancellation.  The Office of Best Practice Regulation has determined that ADs do not require a Regulatory Impact Statement.

 

The AD has been made by the Manager, New Technology and Regulatory Trends, in the Standards Development and Future Technology Division, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988, enacted by the Australian Parliament, aims to ensure the safety of air navigation within Australia and aligns with international standards. The Act empowers the Governor-General to create regulations that uphold these safety standards, as exemplified by the Civil Aviation Safety Regulations 1998. These regulations delegate authority to the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for various types of aircraft and aeronautical products. This legislative framework is crucial for maintaining the continuing airworthiness of aircraft and engines, ensuring compliance with international obligations under the Convention on International Civil Aviation. The cancellation of a specific airworthiness directive affecting Porsche engines, as decided by CASA, underscores the dynamic nature of aviation regulation in response to evolving safety requirements and international commitments. This cancellation, which takes effect on 19 November 2009, exemplifies CASA's commitment to maintaining high safety standards in alignment with global aviation practices.

Scope and Application

The Civil Aviation Safety Regulations 1998, which are made under the Civil Aviation Act 1988, provide for the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA). These directives are legislative instruments designed to ensure the safety of air navigation by mandating specific requirements for the airworthiness of aircraft and aeronautical products. The ADs apply to various entities, including aircraft operators and manufacturers of aeronautical products, ensuring they adhere to the standards set forth to maintain the continuing airworthiness of aircraft. Geographically, the application of these regulations extends across Australia, aligning with the national scope of the Civil Aviation Act 1988. The ADs are issued in accordance with international obligations under the Convention on International Civil Aviation, particularly Annex 8, which delineates the responsibilities of the State of Design and the State of Registry concerning the airworthiness of aircraft and their engines. The ADs do not require consultation with the Australian public or a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation. The issuance and cancellation of ADs, such as AD/PORSCHE/1 affecting Porsche engines, are conducted by CASA to comply with international obligations and ensure safety standards are met without the need for public consultation or extensive regulatory impact analysis.

Key Provisions

The Civil Aviation Act 1988, through section 98, empowers the Governor-General to enact regulations aimed at ensuring the safety of air navigation. This provision serves as the foundation for the Civil Aviation Safety Regulations 1998, particularly regulation 39.001, which grants the Civil Aviation Safety Authority (CASA) the authority to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are critical in maintaining the safety and airworthiness of aircraft and their components. Under subregulation 39.001(5), an AD is classified as a disallowable instrument under section 46A of the Acts Interpretation Act 1901, and subsequently, as a legislative instrument in accordance with section 6 of the Legislative Instruments Act 2003. The obligations placed upon entities by the Act and its associated regulations are substantial and multifaceted. The State of Design, as outlined in Annex 8 to the Convention on International Civil Aviation, bears the primary responsibility for ensuring the continuing airworthiness of engine types and must furnish any necessary information to the States of Registry to uphold this responsibility. The State of Registry, in turn, is tasked with the continuing airworthiness of individual aircraft and must establish or adopt requisite measures to maintain this standard, including the airworthiness of engines installed in aircraft. CASA, as the regulatory body in Australia, has exercised its authority to issue ADs, such as the one affecting Porsche engines in 1987, and has the capability to review and subsequently cancel such directives as necessary, reflecting its commitment to safety and compliance with international obligations. In the context of the AD/PORSCHE/1, CASA has determined that the directive issued in 1987 is no longer necessary due to Australia’s commitments under the Convention on International Civil Aviation. This decision has led to the cancellation of the AD, which will take effect on 19 November 2009, and no replacement AD is deemed necessary. The process of cancelling the AD has been conducted without public consultation, as mandated by the Office of Best Practice Regulation, which has concluded that ADs do not require a Regulatory Impact Statement. The AD was made by the Manager, New Technology and Regulatory Trends, within CASA's Standards Development and Future Technology Division, in accordance with subsection 84A(2) of the Act. The consequences for non-compliance with the provisions of the Civil Aviation Act 1988 and the associated regulations are significant. While the specific penalties for breaches are not detailed in the explanatory statement, it is known that contraventions of civil aviation regulations can result in both civil and criminal penalties. Civil penalties may include fines, and in more severe cases, criminal penalties could be imposed, which might include imprisonment, depending on the severity and nature of the breach. The exact penalties would be determined by the relevant courts and tribunals in accordance with the provisions of the Act and any applicable regulations.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.