AD/BELL 206/37 - Anti Torque Control Idler Assembly P/N 206-001-746-5 - Inspection and Rework - CANCELLED

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2008L03655 Not in force Legislative Instrument

Legislation content

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 Civil Aviation Safety Authority or its predecessors issued AD/BELL 206/37 affecting Bell 206A and 206B model aircraft.  CASA has assessed this AD and as a result has cancelled it.  The cancellation will become effective on 23 October 2008.  No replacement AD is required, as the unsafe condition no longer exists.

As this AD has been cancelled because of Australia’s obligations under the Convention on International Civil Aviation, no consultation with the Australian public has taken place on this AD cancellation.  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, Systems and New Technologies in the Airworthiness Engineering Group, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988 was enacted to establish a framework for the regulation of civil aviation in Australia, with a focus on ensuring the safety and efficiency of air navigation. This Act empowers the Governor-General to create regulations necessary for the safety of air navigation. One such regulation is the Civil Aviation Safety Regulations 1998, which under regulation 39.001, allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs serve as a critical means of communicating essential safety information, mandated under international conventions such as Annex 8 to the Convention on International Civil Aviation, which designates the State of Design with the responsibility for the continuing airworthiness of an aircraft type. CASA, acting as Australia's national airworthiness authority, must evaluate and, if necessary, issue corresponding Australian ADs to enforce the requirements set forth by the State of Design. The authority to cancel an AD, such as the one affecting the Bell 206A and 206B model aircraft, stems from the necessity to address unsafe conditions and aligns with Australia’s international obligations.

Scope and Application

The Civil Aviation Act 1988, as supplemented by the Civil Aviation Safety Regulations 1998, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) concerning specific types of aircraft or aeronautical products to ensure the safety of air navigation. This legislative framework is applicable to all entities involved in the aviation industry within Australia, including aircraft operators, manufacturers, and maintenance providers. The ADs are made under the authority of the Governor-General and serve as legislative instruments, subject to disallowance and review. These directives are integral to the continuing airworthiness of aircraft, with the State of Design bearing the primary responsibility for providing necessary information to States of Registry, including Australia, to maintain airworthiness standards as per Annex 8 of the Convention on International Civil Aviation. CASA, acting as Australia’s national airworthiness authority, must evaluate any ADs issued by the State of Design and, if necessary, issue corresponding Australian ADs to enforce these safety requirements. The process of issuing and cancelling ADs, such as the recent cancellation of AD/BELL 206/37 for Bell 206A and 206B model aircraft, is executed by the Manager, Systems and New Technologies in the Airworthiness Engineering Group on behalf of CASA, in compliance with the legislative mandates.

Key Provisions

The Civil Aviation Act 1988 and its accompanying Civil Aviation Safety Regulations 1998 outline the framework for ensuring the safety of air navigation in Australia. Section 98 of the Act empowers the Governor-General to make regulations for the safety of air navigation, while regulation 39.001 specifically allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for particular kinds of aircraft or aeronautical products. An AD is a legislative instrument, as per section 6 of the Legislative Instruments Act 2003. These directives are instrumental in maintaining the continuing airworthiness of aircraft, aligning with Annex 8 to the Convention on International Civil Aviation. Under the Civil Aviation Safety Regulations 1998, CASA has the authority to issue ADs for aircraft registered in Australia, ensuring they meet the necessary safety standards. This process involves CASA evaluating information provided by the State of Design, which is responsible for the continuing airworthiness of an aircraft type. Once an AD is issued by a State of Design, CASA must review and, if appropriate, issue an Australian AD to enforce the safety requirements. This ensures that aircraft registered in Australia meet international safety standards, reflecting Australia's commitment under the Convention on International Civil Aviation. The obligations imposed by these regulations on parties and entities include the State of Design's responsibility to provide essential information for maintaining the airworthiness of an aircraft type, and the State of Registry's duty to ensure the continuing airworthiness of individual aircraft. CASA, as the national airworthiness authority, must assess information from the State of Design and, if necessary, issue corresponding ADs. This ensures compliance with safety standards and the maintenance of airworthiness for aircraft operating in Australian airspace. There are significant consequences for breaching the provisions of these regulations. While the specific penalties for non-compliance are not detailed in the text, it is clear that failure to adhere to airworthiness directives could result in severe civil or criminal penalties. Such breaches could potentially endanger the safety of air navigation, leading to significant consequences for both the operators and manufacturers of aircraft. The importance of these regulations is underscored by the stringent oversight and enforcement mechanisms in place to ensure compliance and maintain the highest safety standards.

Legal classification tags

Area of Law
Administrative Law
Aviation Law
Instrument
Legislative Instrument
Concepts
Definitions & Interpretation
Offence Provisions
Enforcement Powers
Regulatory Standards

Interactions

Authorises

All Versions

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.