AD/PR/38 - Propeller Electronic Controller

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Legislation au F2008L00145 In force Legislative Instrument

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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 CAA UK has issued AD G-2008-0003 affecting aeronautical product.  UK is the State of Design for this product.  CASA has assessed this AD and has issued Australian AD/PR/38, which will become effective on 21 January 2008.

As this AD is issued because of Australia’s obligations under Convention on International Civil Aviation, and because it is issued in response to an AD raised by the relevant State of Design, no consultation of the Australian public has taken place on this AD.  The Office of Regulatory Review has determined that ADs do not require a Regulatory Impact Statement.

The AD has been made by the Manager, New Technologies and Systems, in the Airworthiness Engineering Branch, 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, addressing the need for safety standards, licensing, and oversight to ensure the safe operation of aircraft. The Act empowers the Governor-General to make regulations in the interests of air navigation safety, with the Civil Aviation Safety Regulations 1998 detailing the specific requirements, including the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA). The ADs are legislative instruments that mandate safety measures for aircraft types or aeronautical products, aligning with international standards set by the Convention on International Civil Aviation. In this context, Australia’s role as a State of Registry requires CASA to assess and, where necessary, issue Australian ADs to ensure compliance with the continuing airworthiness of aircraft registered in Australia. This legislative framework facilitates the efficient and coordinated management of air safety across the nation and aligns with Australia’s international obligations.

Scope and Application

The Civil Aviation Act 1988, along with the Civil Aviation Safety Regulations 1998, provides the legislative framework for ensuring the safety of air navigation in Australia. Specifically, regulation 39.001 under the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs, which are considered legislative instruments, aim to maintain the continuing airworthiness of aircraft registered in Australia. The ADs are issued in response to international obligations under the Convention on International Civil Aviation and are based on directives from the State of Design. Consequently, CASA evaluates and, when necessary, issues corresponding Australian ADs to enforce the safety requirements set by the State of Design. This process ensures that Australian aircraft comply with international safety standards, thereby safeguarding the integrity of Australia's aviation safety regime.

Key Provisions

The Civil Aviation Act 1988, specifically under section 98, empowers the Governor-General to create 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 particular types of aircraft or aeronautical products. An AD, as defined in subregulation 39.001(5) of the Civil Aviation Safety Regulations 1998, is considered a disallowable instrument under section 46A of the Acts Interpretation Act 1901, and as such, it is a legislative instrument as per section 6 of the Legislative Instruments Act 2003. These directives are essential tools for ensuring the continuing airworthiness of aircraft, a responsibility that falls under Annex 8 of the Convention on International Civil Aviation, where the State of Design is tasked with maintaining the airworthiness of an aircraft type. The obligations imposed by the Act and the Regulations are significant for both the State of Design and the State of Registry. The State of Design must provide necessary information to maintain the airworthiness of an aircraft type, while the State of Registry, which in the case of Australia is CASA, must ensure the continuing airworthiness of individual aircraft. When a State of Design issues an AD, CASA must assess the information and, if necessary, issue an Australian AD to enforce the requirements of the State of Design. This ensures that the Australian AD aligns with international standards and maintains the safety and airworthiness of aircraft registered in Australia. Failure to comply with an AD can result in serious consequences. Under the Civil Aviation Act 1988, non-compliance with an AD can be considered an offence, leading to both criminal and civil penalties. The maximum penalties for such offences can include substantial fines and, in severe cases, imprisonment. These stringent measures underscore the importance of adhering to airworthiness directives to maintain safety standards and ensure the reliability and safety of aircraft in operation. It is crucial for all parties involved to understand and comply with these directives to avoid legal repercussions and to uphold the high standards of aviation safety.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.