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/WHE/3 Amendment 1 affecting all aircraft Tyres. CASA has assessed this AD and as a result has cancelled Australian AD/WHE/3 Amendment 1. The cancellation will become effective on 9 April 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 regulate the safety aspects of civil aviation in Australia, ensuring that all aviation activities are conducted with the highest standards of safety. The Act empowers the Governor-General to create regulations that serve the interests of air navigation safety. In line with this, the Civil Aviation Safety Regulations 1998 provide the Civil Aviation Safety Authority (CASA) with the authority to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs, which are considered legislative instruments, are essential for maintaining the continuing airworthiness of aircraft as stipulated by Annex 8 to the Convention on International Civil Aviation. CASA, as Australia’s national airworthiness authority, is mandated to assess information from the State of Design and, if necessary, issue Australian ADs to enforce the design state's requirements. This regulatory framework ensures that all aircraft in Australia meet the necessary safety standards, aligning with international obligations and best practices.
Scope and Application
The Civil Aviation Act 1988, complemented by the Civil Aviation Safety Regulations 1998, facilitates the governance of civil aviation safety in Australia through the issuance of airworthiness directives (ADs). Under section 98 of the Act, the Governor-General has the authority to make regulations, which are instrumental in ensuring the safety of air navigation. Regulation 39.001 specifically empowers the Civil Aviation Safety Authority (CASA) to issue ADs concerning particular types of aircraft or aeronautical products. These directives, being legislative instruments, are subject to disallowance and thus fall under the purview of the Legislative Instruments Act 2003. The application of these directives extends to all aircraft registered in Australia, aligning with international standards set by the International Civil Aviation Organization (ICAO), particularly under Annex 8 which mandates the State of Design to provide necessary information for the continuing airworthiness of an aircraft type. Consequently, CASA, as Australia's national airworthiness authority, is tasked with assessing and, if necessary, issuing Australian ADs to enforce the requirements stipulated by the State of Design. The scope of these regulations is comprehensive, covering all entities involved in the design, maintenance, and operation of aircraft within Australia, while adhering to international obligations and standards.
Key Provisions
The Civil Aviation Act 1988 (section 98) empowers the Governor-General to establish regulations to ensure the safety of air navigation. This authority is exercised through the Civil Aviation Safety Regulations 1998, where regulation 39.001 specifically authorises the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for types of aircraft or aeronautical products. The ADs are considered disallowable instruments under section 46A of the Acts Interpretation Act 1901, and as such, they are legislative instruments under section 6 of the Legislative Instruments Act 2003. This regulatory framework is aligned with Annex 8 of the Convention on International Civil Aviation, which designates the State of Design with the primary responsibility for the continuing airworthiness of an aircraft type. States of Design must provide necessary information to ensure airworthiness, with ADs serving as the primary means of disseminating such information.
The obligations under the Civil Aviation Safety Regulations 1998 place specific duties on CASA as Australia’s national airworthiness authority. When a State of Design issues an AD for a type of aircraft registered in Australia, CASA must evaluate the information provided and, if deemed necessary, issue a corresponding Australian AD to enforce the requirements set forth by the State of Design. This ensures that the continuing airworthiness of aircraft registered in Australia is maintained in accordance with international standards. Additionally, the State of Registry is responsible for ensuring the ongoing airworthiness of individual aircraft, and must implement or adopt requirements to meet these standards.
Failure to comply with the ADs can lead to significant consequences. Under the Civil Aviation Act 1988, non-compliance with an AD may result in serious safety breaches, potentially leading to criminal or civil penalties. The maximum penalties for such breaches can be substantial, reflecting the importance of adhering to airworthiness directives. CASA has the authority to enforce compliance through various means, including inspections, audits, and legal actions, to ensure that all aircraft operating within Australian jurisdiction meet the necessary safety standards.
In the case of AD/WHE/3 Amendment 1, issued by CASA and affecting all aircraft tyres, the authority assessed the directive and determined that it should be cancelled as the unsafe condition it addressed no longer exists. This cancellation became effective on 9 April 2009, and no replacement AD was required. The cancellation was made in accordance with Australia's obligations under the Convention on International Civil Aviation, and therefore, no public consultation was necessary. The Office of Best Practice Regulation has also determined that ADs do not require a Regulatory Impact Statement. The directive was issued by the Manager, Airframe and Structures, in the Airworthiness Engineering Group, on behalf of CASA, in line with subsection 84A(2) of the Act.