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.
State of Design ADs issued on or after 1 October 2009 are defined as ADs per Civil Aviation Safety Regulations Part 39.001A.
CASA issued AD/PMTV/2 affecting MT Propeller propellers. The EASA issued AD 2006-0345R1 on 15 January 2010 which supersedes the requirements of AD/PMTV/2 and as such this AD has been cancelled. The EASA acts on behalf of Germany which is the state of design for these propellers. The cancellation will become effective on 29 January 2010.
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, Continuing Airworthiness in the Airworthiness and Engineering Branch, on behalf of CASA, in accordance with subsection 94 (1) of the Act.
Overview
The Civil Aviation Act 1988 was enacted to establish a regulatory framework for civil aviation in Australia, focusing on safety and efficiency. This legislation empowers the Governor-General to create regulations for air navigation safety, as seen in the Civil Aviation Safety Regulations 1998. These regulations allow the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) concerning aircraft types and aeronautical products. ADs are integral to maintaining the continuing airworthiness of aircraft as mandated by Annex 8 to the Convention on International Civil Aviation. The State of Design has the primary responsibility for ensuring an aircraft type's continuing airworthiness, while the State of Registry, in this case CASA, ensures compliance with these standards within Australia. ADs serve as a critical mechanism for disseminating necessary information to maintain airworthiness standards globally. The AD cancellation related to MT Propeller propellers exemplifies the collaborative international approach in aviation safety regulation, where CASA, as Australia's national airworthiness authority, must respond to directives issued by the State of Design.
Scope and Application
The Civil Aviation Safety Regulations 1998, as amended, apply to all entities and persons involved in the civil aviation industry within Australia, including aircraft manufacturers, operators, and maintenance providers. These regulations ensure the safety of air navigation by mandating the issuance of airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. The ADs are legislative instruments that serve as a critical mechanism for maintaining the continuing airworthiness of aircraft types. The Civil Aviation Act 1988 empowers the Civil Aviation Safety Authority (CASA) to issue these directives, ensuring compliance with both national and international safety standards. Geographically, these regulations apply within Australian jurisdiction and align with the requirements of the Convention on International Civil Aviation, specifically Annex 8, which mandates that the State of Design is responsible for the continuing airworthiness of an aircraft type, with the State of Registry ensuring the aircraft's ongoing compliance with safety standards. The ADs issued by CASA reflect and enforce the requirements set forth by the State of Design, ensuring uniformity in safety protocols across the aviation industry.
Key Provisions
The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 provide the framework for ensuring the safety of air navigation in Australia. Under section 98 of the Civil Aviation Act 1988, the Governor-General has the authority to make regulations for the safety of air navigation, and 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. According to subregulation 39.001(5), ADs are considered disallowable instruments under section 46A of the Acts Interpretation Act 1901, and therefore, they are legislative instruments under section 6 of the Legislative Instruments Act 2003.
The obligations imposed by these regulations require CASA to issue ADs when necessary to ensure the continuing airworthiness of aircraft registered in Australia. Specifically, when the State of Design issues an AD for a type of aircraft on the Australian Register, CASA must review the information and, if appropriate, issue an Australian AD to enforce the State of Design's requirements. This is in line with Annex 8 to the Convention on International Civil Aviation, which assigns the State of Design the responsibility for the continuing airworthiness of an aircraft type and mandates that it provide necessary information to the States of Registry. The State of Registry, in turn, is responsible for implementing the requirements to ensure the continuing airworthiness of individual aircraft.
Failure to comply with ADs can lead to significant consequences. Although specific offences and penalties are not detailed in the provided text, the issuance of ADs is a critical regulatory tool, and non-compliance can result in serious safety risks. Regulatory oversight by CASA ensures that these directives are adhered to, maintaining the high safety standards required in civil aviation.
The text also mentions that AD/PMTV/2, issued by CASA, has been superseded and cancelled by EASA’s AD 2006-0345R1, effective from 29 January 2010. This cancellation was made in accordance with the regulatory authority granted under section 94(1) of the Act. It is noteworthy that no public consultation was conducted for this AD cancellation, and the Office of Best Practice Regulation has determined that such ADs do not require a Regulatory Impact Statement. This reflects the streamlined process for addressing airworthiness issues that align with international standards and practices.