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/AC/49 affecting Twin Aero Commander 690 aircraft model. CASA has assessed this AD and as a result has cancelled Australian AD/AC/49. 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, Airframe and Structures, in the Airworthiness Engineering Branch, on behalf of CASA, in accordance with subsection 84A (2) of the Act.
Overview
The Civil Aviation Act 1988 was enacted by the Commonwealth Parliament to regulate civil aviation in Australia, aiming to ensure the safety and efficiency of air navigation within the country. The Act empowers the Governor-General to create regulations in the interest of air navigation safety, which include the issuance of airworthiness directives (ADs) to maintain the continuing airworthiness of aircraft and aeronautical products. These directives are integral to fulfilling Australia's responsibilities under the Convention on International Civil Aviation, particularly Annex 8, which designates the State of Design as having overall responsibility for the airworthiness of an aircraft type. The Civil Aviation Safety Regulations 1998 further detail the mechanisms for issuing and managing ADs, ensuring that both States of Design and States of Registry fulfill their respective obligations. The Civil Aviation Safety Authority (CASA), as Australia’s national airworthiness authority, assesses and implements these directives to safeguard the safety of aircraft registered in Australia, reflecting a commitment to international safety standards and practices.
Scope and Application
The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 govern the issuance of airworthiness directives (ADs) in Australia, with the Civil Aviation Safety Authority (CASA) playing a crucial role in ensuring compliance with international standards for aircraft safety. The Act allows the Governor-General to create regulations to safeguard air navigation, and under regulation 39.001 of the Civil Aviation Safety Regulations 1998, CASA can issue ADs for specific types of aircraft or aeronautical products. These ADs serve as a legislative instrument, mandated by Annex 8 of the Convention on International Civil Aviation, which designates the State of Design as responsible for the ongoing airworthiness of an aircraft type and requires it to share necessary information with States of Registry. In Australia, CASA, as the national airworthiness authority, must evaluate information from the State of Design and issue corresponding ADs to ensure compliance with international safety standards. The recent cancellation of Australian AD/AC/49 for Twin Aero Commander 690 aircraft model, due to the resolution of the unsafe condition, exemplifies CASA's commitment to safety and compliance with international obligations. Given that the cancellation of the AD was in line with Australia’s international commitments, no public consultation or Regulatory Impact Statement was required.
Key Provisions
The Civil Aviation Act 1988, specifically under section 98, allows the Governor-General to create regulations that ensure the safety of air navigation. This authority is exercised through the Civil Aviation Safety Regulations 1998, which under regulation 39.001 empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. Section 39.001(5) of these regulations designates ADs as disallowable instruments, meaning they can be annulled by Parliament, and thus they are considered legislative instruments under section 6 of the Legislative Instruments Act 2003.
The obligations under the Civil Aviation Safety Regulations 1998 require CASA to act on ADs issued by the State of Design, which is the country where the aircraft was originally designed. According to Annex 8 of the Convention on International Civil Aviation, the State of Design has the primary responsibility for the ongoing airworthiness of the aircraft type and must share any necessary information with the States of Registry. The State of Registry, in this case, Australia, must then ensure that its aircraft maintain airworthiness by either developing or adopting the necessary requirements to comply with the ADs. CASA is responsible for assessing the ADs issued by the State of Design and, if necessary, issuing corresponding Australian ADs to enforce these requirements.
Failing to comply with the ADs can result in significant legal consequences. Under the Civil Aviation Act 1988, non-compliance with an AD can be considered an offence. The severity of the penalty often depends on the extent of the non-compliance and whether it was deliberate. While the exact penalties are not specified in the provided text, it is clear that violations can attract both civil and criminal penalties. For instance, operating an aircraft that does not comply with an AD can lead to fines, imprisonment, or both, depending on the circumstances and the discretion of the court. Additionally, CASA has the authority to take enforcement actions such as grounding the aircraft or revoking the pilot's licence if the non-compliance is severe enough.
In summary, the Civil Aviation Safety Regulations 1998 empower CASA to issue and enforce ADs to ensure the ongoing airworthiness of aircraft. The State of Design and the State of Registry share responsibilities under international conventions, and CASA acts to implement these directives within Australia. Failure to comply with these directives can result in serious legal consequences, highlighting the importance of adhering to the regulations.