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/ROCK-114/6 affecting Gulfstream (Rockwell) 114 model aeroplanes. CASA has assessed this AD and as a result has cancelled Australian AD/ROCK-114/6. The cancellation will become effective on 25 September 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 Group, on behalf of CASA, in accordance with subsection 84A (2) of the Act.
Overview
The Civil Aviation Act 1988 was enacted to provide a comprehensive legal framework for the regulation of civil aviation in Australia. One of its key provisions allows the Governor-General to make regulations for the safety of air navigation, as seen in the issuance of airworthiness directives (ADs) under regulation 39.001 of the Civil Aviation Safety Regulations 1998. These directives are legislative instruments subject to disallowance under the Acts Interpretation Act 1901. The Civil Aviation Safety Authority (CASA), as Australia's national airworthiness authority, issues ADs to ensure the continuing airworthiness of aircraft registered in Australia, aligning with international obligations under the Convention on International Civil Aviation. This process ensures that any unsafe conditions identified by the State of Design are communicated and addressed appropriately, as demonstrated by the cancellation of Australian AD/ROCK-114/6 for Gulfstream (Rockwell) 114 model aeroplanes, which became effective on 25 September 2008.
Scope and Application
The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 provide the legal framework for the issuance of airworthiness directives (ADs) in Australia. Under section 98 of the Civil Aviation Act 1988, the Governor-General has the authority to make regulations in the interest of air navigation safety, and regulation 39.001 of the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue ADs for types of aircraft or aeronautical products. These ADs serve as legislative instruments and are subject to disallowance under the Acts Interpretation Act 1901. The State of Design of an aircraft has the responsibility under Annex 8 of the Convention on International Civil Aviation to ensure the continuing airworthiness of an aircraft type and must provide necessary information to States of Registry, which in turn are responsible for the ongoing airworthiness of individual aircraft. In the case of ADs issued by States of Design affecting aircraft registered in Australia, CASA is required to assess this information and, if necessary, issue corresponding Australian ADs to enforce the requirements of the State of Design. This process ensures that Australian aviation safety standards are maintained in accordance with international obligations.
Key Provisions
The Civil Aviation Safety Regulations 1998 (section 39.001) empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are a form of regulation made under section 98 of the Civil Aviation Act 1988, and they serve to ensure the ongoing safety and airworthiness of aircraft in accordance with international standards. Subregulation 39.001(5) specifies that ADs are disallowable instruments, meaning they can be disallowed by Parliament, and they are also legislative instruments as per section 6 of the Legislative Instruments Act 2003. This regulatory framework is aligned with Annex 8 to the Convention on International Civil Aviation, which places the responsibility for the continuing airworthiness of an aircraft type on the State of Design, who must provide necessary information to States of Registry. The State of Registry, in turn, must ensure the continuing airworthiness of individual aircraft by adopting or developing appropriate requirements.
Under these regulations, CASA must assess any ADs issued by the State of Design and, if necessary, issue corresponding Australian ADs to mandate the required safety measures. For example, CASA issued and subsequently cancelled Australian AD/ROCK-114/6 for Gulfstream (Rockwell) 114 model aeroplanes. This cancellation, effective from 25 September 2008, was due to the unsafe condition no longer existing, and no replacement AD was required. The process of cancelling this AD was governed by Australia’s obligations under the Convention on International Civil Aviation, and no public consultation was necessary. Furthermore, the Office of Best Practice Regulation has determined that ADs do not require a Regulatory Impact Statement. The AD was made by the Manager, Systems and New Technologies, in the Airworthiness Engineering Group, on behalf of CASA, in accordance with subsection 84A(2) of the Civil Aviation Act 1988.
In terms of compliance, entities such as aircraft operators, maintenance providers, and manufacturers must adhere to any ADs that apply to their aircraft or aeronautical products. Failure to comply with an AD can result in significant safety risks, including potential grounding of aircraft, and may lead to enforcement actions by CASA. The Act and Regulations impose clear obligations on these entities to ensure that their operations and maintenance practices meet the safety standards prescribed in the ADs. The enforcement of these obligations can result in both civil and criminal penalties. For instance, under the Civil Aviation Act 1988, individuals and corporations can be subject to fines and imprisonment for serious breaches, with the maximum penalties varying depending on the nature and severity of the offence. It is critical for all stakeholders to understand and comply with the requirements of ADs to maintain the highest standards of aviation safety.