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, 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 Civil Aviation Safety Authority or its predecessors issued AD/AA-5/14 affecting Gulfstream AA-5 model aircraft. CASA has assessed this AD and as a result has cancelled AD/AA-5/14. The cancellation will become effective on 4 June 2009. No replacement AD is required, as the unsafe condition no longer exists.
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, Airframes 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 was enacted to provide for the regulation of civil aviation safety in Australia, with a primary focus on ensuring the safety of air navigation. Under this Act, the Governor-General has the authority to make regulations that serve the interests of air navigation safety. One such regulation, 39.001 of the Civil Aviation Safety Regulations 1998, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are legislative instruments that aim to maintain the continuing airworthiness of aircraft, a responsibility shared between the State of Design and the State of Registry, in line with international obligations under the Convention on International Civil Aviation. The Civil Aviation Safety Authority, acting as Australia’s national airworthiness authority, assesses and issues ADs to ensure compliance with these international standards.
Scope and Application
The Civil Aviation Act 1988, as supplemented by the Civil Aviation Safety Regulations 1998, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for types of aircraft and aeronautical products. This legislation applies to all aircraft registered in Australia, their operators, and maintenance providers, ensuring compliance with safety standards and continuing airworthiness. The geographic reach of this regulation is national, affecting all entities within Australia’s jurisdiction. An AD is considered a legislative instrument under the Legislative Instruments Act 2003 and is subject to disallowance provisions in the Acts Interpretation Act 1901. Under international obligations pursuant to Annex 8 of the Convention on International Civil Aviation, the State of Design is responsible for the continuing airworthiness of an aircraft type, while the State of Registry must ensure the airworthiness of individual aircraft. The Act extends its application through subordinate instruments such as ADs, which may be issued by CASA to address specific safety concerns. The issuance and cancellation of ADs, such as AD/AA-5/14 for Gulfstream AA-5 model aircraft, are carried out in accordance with the Act, without the necessity for public consultation or a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation.
Key Provisions
The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 provide the legal framework for the issuance and enforcement of airworthiness directives (ADs) in Australia. Section 98 of the Act allows the Governor-General to make regulations for the safety of air navigation, while regulation 39.001 of the Regulations empowers the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products (sections 98 and 39.001). These ADs are considered legislative instruments and can be disallowed under section 46A of the Acts Interpretation Act 1901 (subregulation 39.001(5)).
The obligations placed on CASA and other entities governed by these provisions include the assessment and potential issuance of Australian ADs when a State of Design issues a directive for aircraft on the Australian Register. CASA must ensure that these ADs mandate the requirements necessary to maintain the continuing airworthiness of the aircraft. For example, CASA cancelled AD/AA-5/14 for Gulfstream AA-5 model aircraft, recognising that the unsafe condition no longer existed, thereby rendering the AD obsolete (Civil Aviation Safety Regulations 1998, subregulation 39.001(5)).
Failure to comply with the ADs can lead to significant legal consequences. The Act and Regulations do not explicitly detail specific offences or penalties for non-compliance with ADs, but non-compliance can result in severe consequences under other provisions of the Act, including fines and imprisonment. The exact penalties would depend on the specific breach and the discretion of the court. Furthermore, non-compliance can lead to the grounding of aircraft, affecting safety and operational continuity.
In the context of ADs, CASA's role is crucial in upholding international standards as outlined in Annex 8 to the Convention on International Civil Aviation. This includes ensuring that the State of Registry, in this case, Australia, maintains the continuing airworthiness of aircraft on its register. CASA must act promptly and decisively in response to ADs issued by States of Design, balancing the need for safety with the operational realities of the aviation industry.