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/HU 369/44 Amendment 1 affecting McDonnell Douglas (Hughes) 369 series Helicopters. CASA has assessed this AD and as a result has cancelled Australian AD/HU 369/44 Amendment 1. 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, 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 was enacted to provide a comprehensive legal framework for the regulation of civil aviation in Australia, with a particular focus on safety and efficiency. The Act empowers the Governor-General to make regulations for the purposes of ensuring the safety of air navigation. One such regulation, specified in regulation 39.001 of the Civil Aviation Safety Regulations 1998, allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. These directives are essential tools for maintaining the continuing airworthiness of aircraft, aligning with Australia's commitments under the Convention on International Civil Aviation and its Annex 8. The ADs issued by CASA serve to mandate safety requirements derived from the State of Design, ensuring that all aircraft registered in Australia comply with the necessary safety standards. The enactment of this legislation and the subsequent regulations reflect a commitment to fulfilling international obligations while prioritising the safety of air navigation within Australian jurisdiction.
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) concerning particular types of aircraft or aeronautical products. These ADs are legislative instruments designed to ensure the ongoing airworthiness of aircraft, which is critical for the safety of air navigation. Under this regulatory framework, CASA is tasked with assessing airworthiness directives issued by the State of Design and, if necessary, issuing corresponding Australian ADs to enforce these safety requirements. The geographic scope of this legislation is national, applying to all aircraft registered within Australia, and it is aligned with international obligations under the Convention on International Civil Aviation, which assigns the State of Design the responsibility for the continuing airworthiness of aircraft types. The application of these regulations is not subject to thresholds or exemptions, but the authority to issue ADs can be extended or restricted through subordinate instruments, which CASA utilises in accordance with the Legislative Instruments Act 2003.
Key Provisions
The Civil Aviation Act 1988, supplemented by the Civil Aviation Safety Regulations 1998, provides the legislative framework for the issuance of airworthiness directives (ADs). Section 98 of the Act empowers the Governor-General to enact regulations in the interest of air navigation safety, and regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically allows the Civil Aviation Safety Authority (CASA) to issue ADs for types of aircraft or aeronautical products. These ADs are considered legislative instruments under the Legislative Instruments Act 2003, meaning they carry legal weight and must comply with relevant legislative processes.
Under the Convention on International Civil Aviation, the State of Design holds primary responsibility for the continuing airworthiness of an aircraft type, and must furnish any necessary information to the States of Registry to ensure this airworthiness. The State of Registry, which in Australia is CASA, must then develop or adopt requirements to maintain the airworthiness of aircraft registered within its jurisdiction. When a State of Design issues an AD, CASA evaluates the information and, if necessary, issues a corresponding Australian AD to enforce the requirements of the State of Design.
In the specific case of the AD/HU 369/44 Amendment 1 affecting McDonnell Douglas (Hughes) 369 series Helicopters, CASA has determined that the unsafe condition addressed by the AD no longer exists. Consequently, CASA has cancelled the AD, which will become effective on 4 June 2009. This cancellation is a direct result of Australia’s obligations under the Convention on International Civil Aviation, and therefore no public consultation was required. Additionally, the Office of Best Practice Regulation has determined that ADs do not necessitate a Regulatory Impact Statement.
CASA issued this AD cancellation under the authority granted by subsection 84A(2) of the Civil Aviation Act 1988. This provision allows CASA, as the national airworthiness authority, to issue directives that are necessary for the safety of air navigation. The AD cancellation signifies that the previously identified unsafe condition has been resolved, and thus the directive is no longer required.
Breaches of the requirements set forth in ADs can result in serious consequences. Under the Civil Aviation Act 1988, non-compliance with an AD may lead to civil penalties, including fines. The maximum penalty for failing to comply with an AD can be substantial, reflecting the gravity of the safety risks involved. Furthermore, non-compliance can result in criminal charges, where the offender may face imprisonment. These penalties underscore the importance of adhering to ADs, which are designed to maintain the highest standards of aviation safety.