AD/A320/177 - Left and Right Wing Fuel Tank Bonding

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Legislation au F2005L01334 Not in force Legislative Instrument

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CIVIL AVIATION ACT 1988

CIVIL AVIATION 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, 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.  When a State of Design issues an AD against a type of aircraft on the Australian Register, CASA, as Australia’s national airworthiness authority, must assess that information and, if appropriate, issue an Australian AD to mandate the requirements of the State of Design.

The French DGAC has issued AD F-2005-056 affecting A320 series aircraft.  France is the State of Design for these types.  CASA has assessed this AD and has issued Australian AD/A320/177, which will become effective on 7 July 2005.

As this AD is issued because of Australia’s obligations under Convention on International Civil Aviation, and because it is issued in response to an AD raised by the relevant State of Design, no consultation of the Australian public has taken place on this AD.  The Office of Regulatory Review has determined that ADs do not require a Regulatory Impact Statement.

The AD has been made by the Section Head - Systems, Airworthiness Standards Branch, Standards Division, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988 was enacted to establish a legislative framework for the regulation of civil aviation in Australia, ensuring the safety, efficiency, and orderly development of civil aviation. The Act empowers the Governor-General to make regulations for the purposes of the Act, and under section 98, the Civil Aviation Safety Regulations 1998 were subsequently enacted to further detail the regulatory requirements. This legislation addresses the need for a comprehensive legal structure to govern civil aviation safety, certification, and operational standards, aligning Australia’s practices with international conventions such as the Convention on International Civil Aviation. The policy objective of the Act is to ensure the safety and efficiency of civil aviation by providing a robust regulatory framework. The Civil Aviation Safety Regulations 1998, including the issuance of airworthiness directives, are made by the Civil Aviation Safety Authority (CASA) in accordance with these provisions, reflecting Australia's commitment to maintaining high safety standards in line with international obligations.

Scope and Application

The Civil Aviation Act 1988 and the Civil Aviation Regulations 1998, particularly as they pertain to the issuance of airworthiness directives (ADs), apply to all entities and individuals involved in civil aviation within Australia, including aircraft operators, manufacturers, and maintenance providers. The Act provides the framework under which the Civil Aviation Safety Authority (CASA) can issue ADs to ensure the safety and continuing airworthiness of aircraft. These regulations are applicable nationally, reflecting Australia’s commitment to international civil aviation standards as outlined in the Convention on International Civil Aviation. The ADs are issued in response to directives from the State of Design, which is responsible for the airworthiness of a particular aircraft type, and are mandated by the State of Registry, in this case, CASA. While the ADs are legislative instruments, they do not require public consultation or a Regulatory Impact Statement as they are responses to international obligations and directives from the relevant State of Design.

Key Provisions

The key operative sections of the Civil Aviation Act 1988 and the Civil Aviation Regulations 1998 are pivotal in establishing the framework for issuing airworthiness directives (ADs). Section 98 of the Civil Aviation Act 1988 empowers the Governor-General to make regulations in the interest of air navigation safety. Regulation 39.001 of the Civil Aviation Regulations 1998 grants the Civil Aviation Safety Authority (CASA) the authority to issue ADs for specific types of aircraft or aeronautical products. Subregulation 39.001(5) further clarifies that an AD is a disallowable instrument, thus it is considered a legislative instrument under section 6 of the Legislative Instruments Act 2003. These provisions collectively ensure that CASA can mandate necessary safety measures for aircraft and aeronautical products within Australia. The obligations imposed by these regulations are primarily centred around the continuous airworthiness of aircraft. The State of Design, which in this case is France for the A320 series aircraft, has the overarching responsibility for the continuing airworthiness of an aircraft type as per Annex 8 of the Convention on International Civil Aviation. France, as the State of Design, must provide all necessary information to ensure the airworthiness of its aircraft types. The State of Registry, which is Australia in this context, must then develop or adopt requirements to ensure the continuing airworthiness of the aircraft registered within its territory. CASA, as the national airworthiness authority in Australia, is obligated to assess any AD issued by the State of Design and, if necessary, issue an Australian AD to enforce the requirements. This ensures that all aircraft registered in Australia comply with international safety standards. The Act also outlines the consequences of non-compliance with the ADs. While specific offences and penalties are not detailed in the provided text, the issuance of ADs and their enforcement by CASA imply that failure to comply with an AD could lead to serious legal repercussions. Typically, non-compliance with ADs can result in civil penalties, including fines, and criminal charges, particularly if the non-compliance leads to accidents or incidents that endanger public safety. The exact penalties would depend on the severity of the breach and the specific circumstances surrounding it, but they can be substantial given the critical nature of airworthiness requirements. Under the Legislative Instruments Act 2003, the process for issuing an AD involves specific administrative protocols. For instance, the AD issued in response to the French DGAC's AD F-2005-056 was made by the Section Head - Systems, Airworthiness Standards Branch, Standards Division, on behalf of CASA, in accordance with subsection 84A(2) of the Act. This highlights the structured approach CASA takes in ensuring that ADs are issued in a methodical and legally sound manner, reflecting the high stakes involved in maintaining air navigation safety.

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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.