AD/A330/77 - Flap Down Drive Shaft

Overview

The Civil Aviation Act 1988, enacted by the Australian Parliament, governs the regulation of civil aviation within Australia to ensure safety and efficiency in air navigation. A significant gap this Act addresses is the need for standardised safety regulations that align with international standards, particularly in the context of airworthiness directives for aircraft and aeronautical products. This legislative framework allows the Civil Aviation Safety Authority (CASA) to issue such directives under regulation 39.001 of the Civil Aviation Safety Regulations 1998, ensuring that these directives comply with international obligations under the Convention on International Civil Aviation. The policy objective of the Act is to safeguard the public by maintaining stringent safety standards in civil aviation, reflecting Australia’s commitment to international safety protocols. Consequently, CASA issues airworthiness directives as legislative instruments, aligning with the overarching aim of ensuring the continuing airworthiness of aircraft registered in Australia.

Scope and Application

The Civil Aviation Safety Regulations 1998, under section 39.001, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for certain types of aircraft or aeronautical products in accordance with the Civil Aviation Act 1988. This regulatory framework ensures that the safety of air navigation is prioritised and maintained. Specifically, ADs are legislative instruments that address the continuing airworthiness of aircraft, a responsibility that falls upon the State of Registry. In the case of Australia, CASA, as the national airworthiness authority, is tasked with assessing and, if necessary, issuing Australian ADs in response to directives from the State of Design, such as the European Aviation Safety Authority on behalf of France. This particular AD, effective from 27 September 2007, pertains to the Airbus A330 series aircraft and is a direct response to AD 2007-0222-E issued by EASA. The legislative process for this AD involved no public consultation due to its basis in international obligations under the Convention on International Civil Aviation, and it was determined that no Regulatory Impact Statement was necessary. The AD was issued by the Manager, Systems and New Technologies in the Airworthiness Engineering Branch, CASA, in line with the legislative requirements set out in the Civil Aviation Act 1988.

Key Provisions

The Civil Aviation Act 1988 (section 98) empowers the Governor-General to create regulations in the interest of air navigation safety. This legislative framework enables the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products, as stipulated in regulation 39.001 of the Civil Aviation Safety Regulations 1998. Notably, an AD is considered a disallowable instrument under section 46A of the Acts Interpretation Act 1901, and consequently, a legislative instrument under section 6 of the Legislative Instruments Act 2003, as stated in subregulation 39.001(5). These directives are a critical tool in maintaining the continuing airworthiness of aircraft, ensuring compliance with international standards set by Annex 8 to the Convention on International Civil Aviation. Under the Convention, the State of Design holds primary responsibility for an aircraft type's continuing airworthiness, and must furnish necessary information to the States of Registry to facilitate this. In turn, the State of Registry, such as Australia in the case of CASA, must develop or adopt requirements to ensure the continuing airworthiness of aircraft within its jurisdiction. When a State of Design, like France for Airbus A330 series aircraft, issues an AD, CASA is mandated to assess the information and, if deemed necessary, issue a corresponding Australian AD. This process was followed with the issuance of Australian AD/A330/77, which will become effective on 27 September 2007, in response to EASA's AD 2007-0222-E. Given that these ADs are issued pursuant to Australia’s obligations under the Convention on International Civil Aviation and in response to directives from the relevant State of Design, no public consultation was required. Furthermore, the Office of Best Practice Regulation has determined that such ADs do not necessitate a Regulatory Impact Statement. The AD was formally made by the Manager, Systems and New Technologies in the Airworthiness Engineering Branch, on behalf of CASA, in accordance with subsection 84A(2) of the Act. The issuance of an AD carries significant obligations for the entities it governs. CASA, as the national airworthiness authority, must rigorously assess the ADs issued by the State of Design and, if necessary, mandate corresponding requirements through an Australian AD. Failure to comply with an AD can result in severe consequences, including the grounding of affected aircraft. CASA has the authority to enforce compliance through various means, including the issuance of directives and the imposition of fines. Under the Civil Aviation Act 1988, non-compliance with an AD can lead to criminal charges, with penalties that may include substantial fines and imprisonment. Such stringent measures underscore the critical importance of adhering to airworthiness directives to maintain the safety of air navigation.