AD/ECUREUIL/113 - Engine Controls - Twist Grip Assembly

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Legislation au F2005L02816 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 French DGAC has issued AD F-2005-145 affecting Eurocopter EC 130 helicopters.  France is the State of Design for this helicopter.  CASA has assessed this AD and has issued Australian AD/ECUREUIL/113 which will become effective on 26 September 2005.

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 Manufacturing, Certification and New Technologies Office, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988, enacted by the Commonwealth Parliament, was introduced to regulate civil aviation within Australia, ensuring safety and efficiency in the operation of aircraft. This Act provides the legal framework under which the Civil Aviation Safety Regulations 1998 were made, establishing regulations for the issuance of airworthiness directives to maintain the safety of air navigation. The Act empowers the Governor-General to create such regulations in the interests of aviation safety, while regulation 39.001 specifically allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives for types of aircraft or aeronautical products. The objective of these directives is to ensure that aircraft continue to meet safety standards and are maintained in a safe and airworthy condition. This legislative framework is designed to meet Australia's obligations under the Convention on International Civil Aviation, ensuring that the country adheres to international standards for the continuing airworthiness of aircraft.

Scope and Application

The Civil Aviation Safety Regulations 1998, as an instrument of the Civil Aviation Act 1988, establish the framework for ensuring the safety of air navigation in Australia. Under this Act, the Civil Aviation Safety Authority (CASA) is empowered to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These directives are issued to ensure the continuing airworthiness of aircraft registered in Australia, and are considered legislative instruments under the Legislative Instruments Act 2003. The ADs are primarily aimed at entities such as aircraft manufacturers, operators, and owners who must comply with these regulations to maintain the safety standards of air navigation. The application of these directives is both national and international, as Australia, as a signatory to the Convention on International Civil Aviation, must align its regulations with those of other contracting states. The ADs are issued in response to assessments of airworthiness information provided by the State of Design, which is responsible for the overall airworthiness of a particular aircraft type. There are no stated exclusions or exemptions in the issuing of these ADs, which are mandated by international conventions and national safety requirements. The authority to issue ADs extends to CASA without the need for public consultation or a Regulatory Impact Statement, as these instruments are considered integral to fulfilling international obligations and ensuring domestic air safety.

Key Provisions

The Civil Aviation Act 1988 provides the legislative framework for the regulation of civil aviation in Australia. Under section 98, the Governor-General has the authority to make regulations for the Act, which primarily serves to ensure the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for types of aircraft or aeronautical products. An AD, as defined under subregulation 39.001(5), is a disallowable instrument under section 46A of the Acts Interpretation Act 1901, and is thus considered a legislative instrument in accordance with section 6 of the Legislative Instruments Act 2003. An airworthiness directive is a critical tool for maintaining the continuing airworthiness of aircraft. The State of Design, which is responsible for the design of a particular type of aircraft, has the obligation to provide necessary information to ensure the aircraft's airworthiness. This responsibility is outlined in Annex 8 to the Convention on International Civil Aviation. The State of Registry, on the other hand, is responsible for the airworthiness of individual aircraft registered within its jurisdiction. When a State of Design issues an AD, CASA must assess this information and, if appropriate, issue an Australian AD to ensure compliance with the design state’s requirements. In this specific instance, the French Directorate General for Civil Aviation (DGAC) has issued AD F-2005-145 concerning Eurocopter EC 130 helicopters. France, as the State of Design, has the primary responsibility for ensuring the continuing airworthiness of these helicopters. CASA has reviewed this AD and issued Australian AD/ECUREUIL/113, effective from 26 September 2005. Given that this AD is issued under Australia’s international obligations and in response to a directive from the relevant State of Design, no public consultation has been conducted. The Office of Regulatory Review has also determined that such ADs do not require a Regulatory Impact Statement. Failure to comply with an airworthiness directive can have serious consequences. Although the Civil Aviation Act 1988 does not explicitly outline specific offences and penalties for non-compliance with ADs, breaches can result in severe civil or criminal liability. Under the Civil Aviation Act, non-compliance with an AD can lead to penalties including fines and imprisonment. The exact penalties may vary depending on the nature and severity of the breach, but they are intended to enforce compliance and ensure the safety of air navigation. CASA is empowered to take enforcement actions against entities or individuals who fail to adhere to the requirements of an AD, thereby maintaining the high safety standards mandated by the legislation.

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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.