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.
The Civil Aviation Safety Authority or its predecessors issued AD/DHC-1/27 affecting all De Havilland DHC-1 (Chipmunk) model aeroplanes. CASA has assessed this AD and as a result has cancelled Australian AD/DHC-1/27. The cancellation will become effective on 23 October 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 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 framework for the regulation of civil aviation in Australia, with a strong emphasis on ensuring the safety of air navigation. This Act empowers the Governor-General to make regulations for the purposes of the Act, with a clear objective to enhance the safety of air navigation. The Civil Aviation Safety Regulations 1998, made under the authority of the Act, further specify the procedures and requirements for maintaining the airworthiness of aircraft and aeronautical products. In particular, regulation 39.001 allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products, thereby ensuring that these vehicles meet the necessary safety standards. The process of issuing and cancelling ADs is integral to maintaining the continuing airworthiness of aircraft in accordance with international standards, particularly under Annex 8 of the Convention on International Civil Aviation.
The Civil Aviation Safety Regulations 1998 were amended to facilitate the issuance of ADs as legislative instruments, allowing for their disallowance under the Acts Interpretation Act 1901. This legislative framework ensures that CASA can effectively respond to safety concerns by issuing or cancelling ADs as appropriate. The cancellation of Australian AD/DHC-1/27, affecting De Havilland DHC-1 (Chipmunk) model aeroplanes, exemplifies this process, as it was cancelled due to Australia’s obligations under international conventions, without the need for public consultation. This regulatory action was taken by the Manager, Airframe and Structures, within CASA’s Airworthiness Engineering Group, in accordance with the provisions of the Civil Aviation Act 1988.
Scope and Application
The Civil Aviation Act 1988, as amended and supported by the Civil Aviation Safety Regulations 1998, provides a framework for ensuring the safety of air navigation, with a particular emphasis on the continuing airworthiness of aircraft. Under section 98 of the Act, the Governor-General has the authority to enact regulations that are necessary for the safety of air navigation, and regulation 39.001 specifically empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are legislative instruments that are subject to disallowance, as stipulated in section 46A of the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003. ADs are integral to ensuring the continuing airworthiness of aircraft as per the requirements of Annex 8 to the Convention on International Civil Aviation, where the State of Design bears the overall responsibility for an aircraft type's airworthiness and must furnish necessary information to the States of Registry. The State of Registry, in turn, is responsible for the continuing airworthiness of individual aircraft, and must establish requirements to maintain airworthiness standards. For instance, CASA issued AD/DHC-1/27 concerning all De Havilland DHC-1 (Chipmunk) model aeroplanes, which has since been cancelled due to the resolution of the unsafe condition, thus obviating the need for any replacement AD. The cancellation process, in line with Australia’s international obligations, did not involve public consultation or require a Regulatory Impact Statement. The AD was issued by the Manager, Airframe and Structures, within CASA's Airworthiness Engineering Group, in accordance with the provisions of the Act.
Key Provisions
The Civil Aviation Act 1988, specifically under section 98, grants the Governor-General the authority to enact regulations for the purpose of ensuring the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 further specifies that the Civil Aviation Safety Authority (CASA) has the power to issue airworthiness directives (ADs) for certain types of aircraft or aeronautical products. These directives are formal instructions aimed at ensuring the safety and airworthiness of aircraft. Additionally, subregulation 39.001(5) of the Civil Aviation Safety Regulations 1998 classifies ADs as disallowable instruments under section 46A of the Acts Interpretation Act 1901, thereby establishing them as legislative instruments in accordance with section 6 of the Legislative Instruments Act 2003.
Compliance with these regulations imposes several obligations on the parties involved. The State of Design, as defined under Annex 8 to the Convention on International Civil Aviation, bears the primary responsibility for ensuring the continuing airworthiness of a particular aircraft type. This includes providing necessary information to the appropriate States of Registry to maintain the safety standards of the aircraft. The State of Registry, in turn, must develop or adopt requirements to ensure the airworthiness of the aircraft registered within its jurisdiction. For example, CASA, as the regulatory body in Australia, has issued and subsequently cancelled AD/DHC-1/27, which pertains to all De Havilland DHC-1 (Chipmunk) model aeroplanes, due to the resolution of the unsafe condition identified.
In terms of potential breaches of these regulations, the Civil Aviation Safety Regulations 1998 do not explicitly list specific offences or penalties in the provided explanatory statement. However, non-compliance with ADs could lead to serious safety concerns and potential legal repercussions. For instance, failure to adhere to an airworthiness directive could result in the grounding of an aircraft, which could incur significant financial and operational costs for operators. Although the specific penalties are not detailed in this explanatory statement, any breaches of aviation safety regulations could potentially lead to enforcement actions by CASA, which might include fines, legal proceedings, or other regulatory sanctions.
In summary, the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 establish a framework for ensuring the safety and airworthiness of aircraft through the issuance of airworthiness directives. The State of Design and the State of Registry have specific responsibilities to maintain these safety standards, and CASA acts as the regulatory authority in Australia. While the specific penalties for non-compliance are not detailed in the provided explanatory statement, the consequences of failing to adhere to these regulations could be severe, including potential grounding of aircraft and other regulatory actions.