AD/EC 225/9 - Fuselage - Intermediate Gearbox Fairing Gutter

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Legislation au F2008L03712 Not 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 European Aviation Safety Authority (EASA) has issued AD 2007-0090-E affecting Eurocopter EC 225 LP model helicopters.  EASA acts on behalf of France, the State of Design for this type.  CASA has assessed this AD and has issued Australian AD/EC 225/9, which will become effective on 23 October 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 Best Practice Regulation has determined that ADs do not require a Regulatory Impact Statement.

The AD has been made by the Manager, Airframes 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 legislative framework for the regulation of civil aviation in Australia, ensuring the safety, efficiency, and orderly development of civil aviation within the country. In accordance with section 98 of the Act, the Governor-General has the authority to make regulations that serve the interests of air navigation safety. Complementing the Act, the Civil Aviation Safety Regulations 1998 further outline specific regulatory requirements, including the issuance of airworthiness directives (ADs) under regulation 39.001. These directives are legislative instruments, as stipulated in the Legislative Instruments Act 2003, and are integral to maintaining the continuing airworthiness of aircraft as mandated by international standards, particularly under Annex 8 to the Convention on International Civil Aviation. The Civil Aviation Safety Authority (CASA), acting as Australia’s national airworthiness authority, is responsible for assessing and, where necessary, issuing ADs in response to directives from the State of Design or other international obligations, ensuring compliance with both national and international safety standards.

Scope and Application

The Civil Aviation Act 1988, as supplemented by the Civil Aviation Safety Regulations 1998, provides the legislative framework for the regulation of airworthiness directives (ADs) in Australia. The Act applies to entities involved in the aviation industry, including aircraft manufacturers, operators, and regulatory bodies such as the Civil Aviation Safety Authority (CASA). The regulations permit CASA to issue ADs concerning particular types of aircraft or aeronautical products to ensure the safety of air navigation. These ADs serve as legislative instruments and are subject to disallowance under the Acts Interpretation Act 1901. The geographic reach of this legislation is national, as Australia adheres to the requirements outlined in Annex 8 to the Convention on International Civil Aviation, which mandates that the State of Design maintains responsibility for the continuing airworthiness of an aircraft type, while the State of Registry enforces these requirements domestically. In the context of international cooperation, CASA issues Australian ADs in response to directives from the relevant State of Design, such as the European Aviation Safety Authority for Eurocopter EC 225 LP model helicopters. The legislation does not require public consultation or a Regulatory Impact Statement for ADs, as they are issued in compliance with international obligations and in the interest of safety.

Key Provisions

The Civil Aviation Act 1988, through section 98, empowers the Governor-General to create regulations for the Act, ensuring the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 further allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types 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, making them legislative instruments as per section 6 of the Legislative Instruments Act 2003. These directives are crucial for maintaining the continuing airworthiness of aircraft, as outlined in Annex 8 of the Convention on International Civil Aviation. The State of Design is responsible for providing necessary information to ensure the airworthiness of an aircraft type, while the State of Registry is tasked with ensuring the continuing airworthiness of individual aircraft. In this context, when the State of Design issues an AD, CASA, as Australia’s national airworthiness authority, must review the information and, if necessary, issue an Australian AD to enforce the State of Design’s requirements. This is the case with AD 2007-0090-E from the European Aviation Safety Authority (EASA) concerning the Eurocopter EC 225 LP model helicopters, which CASA has assessed and subsequently issued as Australian AD/EC 225/9. The issuance of ADs, particularly in response to those from the State of Design, does not require consultation with the Australian public nor does it necessitate a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation. ADs are issued by the Manager, Airframes in the Airworthiness Engineering Branch on behalf of CASA, in line with subsection 84A(2) of the Act. This process ensures that all necessary measures are taken to maintain the safety standards of aircraft registered in Australia. Failure to comply with the requirements set out in an AD can lead to significant consequences. Section 48 of the Civil Aviation Act 1988 allows for the imposition of civil penalties for non-compliance with ADs. Such penalties can include substantial fines, which may vary depending on the severity and frequency of the breach. Additionally, non-compliance can result in criminal charges, where the offender may face imprisonment. The precise penalties are determined by the court, taking into account the nature of the offence and any previous convictions. It is essential for all parties governed by the Act to adhere strictly to the ADs to avoid these serious repercussions.

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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.