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/BEECH 95/4 affecting Beechcraft D95A model aircraft. CASA has assessed this AD and as a result has cancelled Australian AD/BEECH 95/4. The cancellation will become effective on 31 July 2008. 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, Systems and New Technologies, in the Airworthiness Engineering Branch, on behalf of CASA, in accordance with subsection 84A (2) of the Act.
Overview
The Civil Aviation Act 1988, enacted by the Commonwealth Parliament, serves to ensure the safety and efficiency of civil aviation in Australia. This Act provides the framework for the regulation of civil aviation, including the safety of air navigation, which is overseen by the Civil Aviation Safety Authority (CASA). The Act empowers CASA to issue airworthiness directives (ADs) as part of its mandate to maintain and ensure the continuing airworthiness of aircraft registered in Australia. These directives are critical in addressing specific safety concerns identified with aircraft types or aeronautical products, ensuring that the aircraft remain safe and airworthy throughout their operational life. The policy objective of the Act is to uphold the highest standards of safety in civil aviation, consistent with Australia’s obligations under international conventions such as the Convention on International Civil Aviation.
Scope and Application
The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products to ensure the safety of air navigation. This legislative framework applies to all aircraft registered in Australia and their respective operators, as well as to any entities or individuals who might be involved in the manufacture, maintenance, or operation of such aircraft. Geographically, the application of these regulations spans the entire Australian jurisdiction, in alignment with the obligations under the Convention on International Civil Aviation, particularly Annex 8, which mandates the State of Design to provide necessary information for continuing airworthiness. Subordinate instruments such as ADs are legislative instruments under the Legislative Instruments Act 2003, subject to disallowance under the Acts Interpretation Act 1901. Notably, the ADs do not require a Regulatory Impact Statement, and no public consultation is mandated for their cancellation, as seen in the case of AD/BEECH 95/4 affecting Beechcraft D95A model aircraft, which was cancelled on 31 July 2008 due to the resolution of the unsafe condition identified.
Key Provisions
The Civil Aviation Act 1988, in particular section 98, empowers the Governor-General to establish regulations that align with the Act's objectives, particularly concerning the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 provides the Civil Aviation Safety Authority (CASA) with the authority to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. This regulatory mechanism ensures that safety standards are consistently applied and maintained across the aviation industry. Importantly, under subregulation 39.001(5), ADs are classified as disallowable instruments under section 46A of the Acts Interpretation Act 1901, and thus, they are considered legislative instruments as per section 6 of the Legislative Instruments Act 2003.
The obligations imposed by the Act and the Regulations are multifaceted. The State of Design, which is the country where the aircraft is designed, has a primary responsibility for ensuring the continuing airworthiness of an aircraft type, as stipulated in Annex 8 to the Convention on International Civil Aviation. This includes providing necessary information to States of Registry to maintain airworthiness. Conversely, the State of Registry, which is the country where the aircraft is registered, must develop or adopt requirements to ensure the continuing airworthiness of aircraft under its registry. CASA, as Australia's national airworthiness authority, must assess any international ADs issued by States of Design and, if necessary, issue corresponding Australian ADs to enforce the same safety requirements domestically.
Failure to comply with ADs can lead to significant consequences. Civil aviation regulations are designed to maintain the highest safety standards, and non-compliance can result in serious risks to aviation safety. While the specific penalties for breaching ADs are not detailed in the provided text, it is understood that breaches can lead to enforcement actions by CASA, which may include fines, operational restrictions, or even grounding of the aircraft until compliance is achieved. The regulatory framework is stringent to ensure that all stakeholders, including aircraft manufacturers, operators, and maintenance providers, adhere to the prescribed safety standards.
In summary, the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 establish a robust framework for the issuance and enforcement of airworthiness directives. The roles of the State of Design and the State of Registry are clearly defined, with CASA playing a pivotal role in ensuring compliance with international safety standards. The legislative instruments and their enforceability underscore the importance of maintaining high safety standards in the aviation industry, with significant repercussions for non-compliance.