AD/CESSNA 320/24 - Exhaust Tailpipe Support Kit - Installation - CANCELLED

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Legislation au F2009L03447 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 aircraft 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.

CASA or its predecessors issued AD/CESSNA 320/24 affecting Cessna 320 aeroplanes in 1975.  CASA has reviewed this AD and as a result has cancelled it.  The cancellation will become effective on 24 September 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, Future 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 was enacted to provide for the regulation of civil aviation in Australia, including ensuring the safety of air navigation. The Act allows the Governor-General to make regulations for the purposes of the Act and in the interests of the safety of air navigation. The Civil Aviation Safety Regulations 1998, made under the authority of the Act, provide that the Civil Aviation Safety Authority (CASA) may issue airworthiness directives (ADs) for kinds of aircraft or aeronautical products. The ADs are a legislative instrument under the Legislative Instruments Act 2003 and are intended to ensure the continuing airworthiness of aircraft. In 2009, CASA cancelled AD/CESSNA 320/24, which affected Cessna 320 aeroplanes, due to Australia's obligations under the Convention on International Civil Aviation. This cancellation was made without public consultation as it did not require a Regulatory Impact Statement. The AD cancellation was made by the Manager, Future Technology and Regulatory Trends, on behalf of CASA, in accordance with the Civil Aviation Act 1988.

Scope and Application

The Civil Aviation Safety Regulations 1998, under section 39.001, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) concerning types of aircraft or aeronautical products. This regulation is enacted in the interests of ensuring the safety of air navigation as per the Civil Aviation Act 1988. The ADs, as legislative instruments, are subject to disallowance under section 46A of the Acts Interpretation Act 1901 and are regulated under the Legislative Instruments Act 2003. These directives, integral to the continuing airworthiness of aircraft as per Annex 8 of the Convention on International Civil Aviation, are issued by the State of Registry and the State of Design. In Australia, CASA is responsible for ensuring the continuing airworthiness of aircraft, a role that includes the issuance and subsequent cancellation of ADs, such as the AD/CESSNA 320/24 affecting Cessna 320 aeroplanes, which CASA reviewed and subsequently cancelled effective from 24 September 2009. The cancellation aligns with Australia's international obligations, and the Office of Best Practice Regulation has confirmed that such ADs do not necessitate a Regulatory Impact Statement or public consultation.

Key Provisions

Under section 98 of the Civil Aviation Act 1988, the Governor-General has the authority to make regulations aimed at ensuring the safety of air navigation. This overarching power is exercised through regulation 39.001 of the Civil Aviation Safety Regulations 1998, which allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. It is crucial to note that these ADs are considered disallowable instruments under section 46A of the Acts Interpretation Act 1901, thereby classifying them as legislative instruments in accordance with section 6 of the Legislative Instruments Act 2003. Such directives are pivotal in maintaining the safety and airworthiness of aircraft, ensuring they meet the required standards set by the State of Design and the State of Registry. The obligations imposed by these regulations are multifaceted and vital for maintaining aviation safety standards. The State of Design, as outlined in Annex 8 to the Convention on International Civil Aviation, holds the primary responsibility for the continuing airworthiness of an aircraft type. This responsibility includes providing all necessary information to the States of Registry to ensure that the aircraft types remain airworthy. Conversely, the State of Registry is mandated to develop or adopt specific requirements to ensure the ongoing airworthiness of individual aircraft registered within its jurisdiction. In Australia, CASA acts as the State of Registry and exercises its authority under the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 to issue these ADs, ensuring compliance with both domestic and international safety standards. Non-compliance with the provisions of the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 can lead to severe consequences. While the specific offences and penalties are not detailed in the provided text, it is understood that breaches of these regulations can result in both civil and criminal liabilities. Typically, such breaches could lead to fines, imprisonment, or both, depending on the severity of the violation and the specific provisions of the Act. The maximum penalties are often stipulated in the relevant sections of the legislation, but it is essential for operators and stakeholders to adhere strictly to the issued ADs to avoid such repercussions. In summary, the key provisions of the Civil Aviation Act 1988, as enforced by the Civil Aviation Safety Regulations 1998, mandate the issuance of airworthiness directives to maintain the safety and airworthiness of aircraft. The obligations placed on CASA and the States of Registry are critical to ensuring that aircraft meet the necessary safety standards. Failure to comply with these regulations can result in significant legal consequences, highlighting the importance of adherence to these directives for all involved parties.

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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.