AD/TSA-600/6 - Aileron Outboard Hinge Bolt - Inspection - CANCELLED

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Legislation au F2009L01684 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/TSA-600/6 affecting Aerostar aircraft.  CASA has reviewed this AD and as a result has cancelled it.  The cancellation will become effective on 4 June 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, Airframe and Structures in the Airworthiness Engineering Group, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988, enacted by the Australian Parliament, was introduced to provide a legislative framework ensuring the safety and efficiency of civil aviation within Australia. This Act empowers the Governor-General to make regulations that facilitate the safety of air navigation, thereby addressing the need for a comprehensive and enforceable legal structure governing civil aviation. The Civil Aviation Safety Regulations 1998, which were made under the authority of this Act, further delineate specific safety requirements, including the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA). These ADs are essential legislative instruments aimed at maintaining the continuing airworthiness of aircraft, in accordance with international standards set by the International Civil Aviation Organization (ICAO). The cancellation of a particular AD, such as AD/TSA-600/6 concerning Aerostar aircraft, exemplifies CASA’s commitment to upholding both national and international safety obligations, reflecting the Act's policy objective of ensuring the highest standards of aviation safety.

Scope and Application

The Civil Aviation Act 1988 and its associated Civil Aviation Safety Regulations 1998 provide the framework for the regulation of airworthiness directives (ADs) in Australia, applying to all aircraft and aeronautical products operating within the Australian jurisdiction. The Act empowers the Governor-General to make regulations for the safety of air navigation, with specific emphasis on ensuring that aircraft and products meet safety standards. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 allows the Civil Aviation Safety Authority (CASA) to issue ADs, which are legislative instruments disallowable under section 46A of the Acts Interpretation Act 1901. The ADs are integral to fulfilling Australia's obligations under Annex 8 to the Convention on International Civil Aviation, where the State of Design and State of Registry are responsible for the continuing airworthiness of aircraft. The cancellation of AD/TSA-600/6 for Aerostar aircraft by CASA is an example of the application of these regulations, demonstrating the authority's role in ensuring compliance with international standards without the need for public consultation or a Regulatory Impact Statement.

Key Provisions

The Civil Aviation Act 1988 provides the legislative framework for the regulation of aviation safety in Australia, with section 98 allowing the Governor-General to make regulations in the interests of air navigation safety. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 authorises the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for certain aircraft types and aeronautical products, which are considered legislative instruments under the Legislative Instruments Act 2003. Annex 8 of the Convention on International Civil Aviation places the responsibility of continuing airworthiness of aircraft types on the State of Design, while the State of Registry holds the responsibility for individual aircraft. In light of these international obligations, CASA issued and subsequently cancelled AD/TSA-600/6, which affected Aerostar aircraft, effective from 4 June 2009, without a replacement AD. Entities governed by the Civil Aviation Safety Regulations 1998, such as CASA and aircraft operators, have specific obligations under these regulations. CASA, as the regulator, must issue airworthiness directives to ensure the safety of aircraft types and aeronautical products within its jurisdiction. Aircraft operators must comply with these directives, ensuring that their aircraft meet the specified airworthiness standards. The State of Registry is responsible for developing or adopting requirements to ensure the continuing airworthiness of aircraft within its jurisdiction. Furthermore, the State of Design, typically the manufacturer of the aircraft, must provide necessary information to support the airworthiness of aircraft types to the States of Registry. Failure to comply with airworthiness directives can lead to serious consequences. Under the Civil Aviation Act 1988, non-compliance with an airworthiness directive can be considered an offence, potentially resulting in civil or criminal penalties. Specifically, section 27 of the Act provides for penalties, including fines and imprisonment, for breaches of regulations. The maximum penalties can vary depending on the severity and intent of the breach, with potential fines reaching up to $126,000 for individuals and $630,000 for corporations, along with possible imprisonment terms. Additionally, CASA can take enforcement actions, including grounding of non-compliant aircraft, which can have significant operational and financial repercussions for the operators. In conclusion, the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 establish a robust framework for ensuring the safety and airworthiness of aircraft in Australia. CASA has the authority to issue airworthiness directives, which are binding legislative instruments. Entities such as CASA, aircraft operators, and States of Registry have specific obligations to comply with these directives to maintain safety standards. Non-compliance can result in severe civil and criminal penalties, reinforcing the importance of adherence to airworthiness 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.