AD/TPE 331/51 Amdt 1 - Fuel Manifold Assemblies - CANCELLED

Overview

The Civil Aviation Act 1988, enacted by the Commonwealth Parliament, governs the regulation of civil aviation in Australia with the primary objective of ensuring the safety of air navigation. The Act empowers the Governor-General to make regulations under section 98, which includes the issuance of airworthiness directives (ADs) to maintain the safety and airworthiness of aircraft and aeronautical products. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 grants the Civil Aviation Safety Authority (CASA) the authority to issue these directives, which are legislative instruments subject to disallowance under the Acts Interpretation Act 1901. This legislative framework aligns with the State of Design's responsibility under Annex 8 to the Convention on International Civil Aviation for ensuring the continuing airworthiness of aircraft types, and the State of Registry's duty to implement requirements for the airworthiness of individual aircraft within Australia. In 2009, CASA issued an airworthiness directive concerning the Honeywell TPE 331 engines, which was subsequently cancelled on 24 September 2009 due to Australia’s obligations under the Convention on International Civil Aviation. The cancellation of the directive, which did not necessitate consultation with the Australian public or a Regulatory Impact Statement, was executed by the Manager of Future Technology and Regulatory Trends on behalf of CASA, in compliance with the Act.

Scope and Application

The Civil Aviation Act 1988 and the associated Civil Aviation Safety Regulations 1998 provide a comprehensive framework for the regulation of civil aviation safety in Australia, with a particular focus on the issuance of airworthiness directives (ADs). According to section 98 of the Act, the Governor-General has the authority to make regulations that serve the purpose of the Act and are in the interest of air navigation safety. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically empowers the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products, which are legislative instruments under the Acts Interpretation Act 1901. The ADs are aligned with the obligations of the State of Design and State of Registry under Annex 8 to the Convention on International Civil Aviation, ensuring the continuing airworthiness of aircraft. The scope of these regulations is broad, applying to all entities and individuals involved in the operation, maintenance, and oversight of aircraft within Australia's jurisdiction. However, the issuance and cancellation of these ADs are conducted in accordance with international obligations, and as such, they do not typically require public consultation or a Regulatory Impact Statement. The ADs are managed by CASA, reflecting the agency's pivotal role in ensuring the safety and compliance of civil aviation activities within Australia.

Key Provisions

Under the Civil Aviation Act 1988, the Governor-General has the authority to create regulations that promote the safety of air navigation, as outlined in section 98. Pursuant to regulation 39.001 of the Civil Aviation Safety Regulations 1998, the Civil Aviation Safety Authority (CASA) can issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. This regulatory power is further clarified by subregulation 39.001(5), which states that an AD is a disallowable instrument under section 46A of the Acts Interpretation Act 1901, and thus a legislative instrument according to section 6 of the Legislative Instruments Act 2003. This legislative framework ensures that ADs, which are essential for maintaining the airworthiness of aircraft, are issued with the appropriate legal authority. The obligations and requirements imposed by this Act are multifaceted. Firstly, the State of Design, which is the country where the aircraft type was originally designed, holds overall responsibility for ensuring the continuing airworthiness of that type of aircraft. This obligation includes providing necessary information to the State of Registry—the country where the individual aircraft is registered. The State of Registry, in turn, must develop or adopt requirements to ensure the continuing airworthiness of the aircraft. CASA, as the regulatory authority, issues ADs to enforce these standards. For example, in 1996, CASA issued AD/TPE 331/51 Amendment 1 concerning Honeywell TPE 331 engines. This AD has since been reviewed and cancelled by CASA, effective from 24 September 2009, without the need for a replacement AD due to Australia’s obligations under the Convention on International Civil Aviation. The cancellation of AD/TPE 331/51 Amendment 1 was made without public consultation, as the Office of Best Practice Regulation has determined that ADs do not require a Regulatory Impact Statement. This decision aligns with Australia's international commitments under the Convention on International Civil Aviation. The AD was issued by the Manager, Future Technology and Regulatory Trends, in the Standards Development and Future Technology Division, on behalf of CASA, in accordance with subsection 84A(2) of the Act. This ensures that the regulatory process is conducted with the appropriate legal authority and oversight. Regarding the consequences of non-compliance, the Act does not explicitly state the specific offences, penalties, or consequences for breaching airworthiness directives. However, general provisions within the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 imply that failure to comply with ADs could lead to significant legal repercussions. Penalties may include fines and imprisonment, depending on the severity of the breach and the impact on aviation safety. The overarching goal of these regulations is to ensure that all parties involved adhere to the highest standards of airworthiness to maintain public safety and the integrity of the aviation system.