AD/BEECH 33/3 - Insulation of Tachometer Flexdrive - CANCELLED

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Legislation au F2007L04740 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 Civil Aviation Safety Authority or its predecessors issued AD/BEECH 33/3 affecting Beech 35-C33 aircraft.  CASA has assessed this AD and as a result has cancelled Australian AD/BEECH 33/3.  The cancellation will become effective on 17 January 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 Acting Manager, Systems and New Technologies in the Airworthiness Engineering Branch 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 for the safety of civil aviation in Australia and to facilitate the development of a competitive and efficient aviation industry. It empowers the Governor-General to make regulations in the interests of the safety of air navigation, including the issuance of airworthiness directives (ADs) under the Civil Aviation Safety Regulations 1998. The Act underscores Australia's commitment to international aviation safety standards as set by the International Civil Aviation Organization (ICAO), particularly through Annex 8 of the Convention on International Civil Aviation, which outlines responsibilities for the continuing airworthiness of aircraft. The Civil Aviation Safety Authority (CASA) acts as the national airworthiness authority, tasked with ensuring compliance with these standards by issuing or cancelling ADs as necessary, reflecting Australia's obligations to its international counterparts and the safety of its domestic aviation industry.

Scope and Application

The Civil Aviation Act 1988, as amended and supplemented by the Civil Aviation Safety Regulations 1998, provides the legislative framework for the regulation of airworthiness in Australia. Under this Act, the Governor-General has the authority to make regulations that ensure the safety of air navigation, including the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA). These ADs are issued for specific types of aircraft or aeronautical products and are considered legislative instruments under the Legislative Instruments Act 2003. The ADs are integral to maintaining the continuing airworthiness of aircraft, as per Annex 8 to the Convention on International Civil Aviation, where the State of Design is responsible for the airworthiness of an aircraft type and the State of Registry is responsible for individual aircraft. CASA, as Australia's national airworthiness authority, must assess information from the State of Design and, if necessary, issue an Australian AD to ensure compliance with safety standards. The Act and regulations apply to all aircraft registered in Australia, the operators and owners of such aircraft, as well as other relevant entities such as manufacturers and maintenance organisations. The jurisdiction of these regulations extends nationally, aligning with Australia's obligations under international aviation agreements. The scope of the Act and regulations is comprehensive, encompassing all aspects of aircraft airworthiness, but specific exclusions or thresholds are not explicitly detailed in the provided text.

Key Provisions

The Civil Aviation Act 1988 provides the legislative framework for civil aviation safety in Australia, and under section 98, the Governor-General is empowered to make regulations for the purposes of the Act and in the interests of air navigation safety. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for kinds of aircraft or aeronautical products. These ADs are legislative instruments under section 6 of the Legislative Instruments Act 2003, as they are disallowable instruments pursuant to section 46A of the Acts Interpretation Act 1901. The obligations of the Act and the Regulations impose several responsibilities on CASA. Firstly, CASA is required to assess information from the State of Design, which is responsible for the continuing airworthiness of an aircraft type under Annex 8 to the Convention on International Civil Aviation. If CASA determines that an AD issued by a State of Design is applicable to an aircraft on the Australian Register, CASA must issue a corresponding Australian AD to ensure compliance with the safety requirements specified by the State of Design. Moreover, the State of Registry of an individual aircraft is obligated to develop or adopt requirements to ensure the continuing airworthiness of the aircraft. In the specific case of AD/BEECH 33/3, which affected Beech 35-C33 aircraft, CASA issued an Australian AD in accordance with the obligations set out in the Civil Aviation Act and the Civil Aviation Safety Regulations. However, following a thorough assessment, CASA determined that the unsafe condition addressed by the AD no longer existed, and thus cancelled AD/BEECH 33/3. This cancellation became effective on 17 January 2008, and no replacement AD was necessary. Given that this cancellation occurred due to Australia’s obligations under the Convention on International Civil Aviation, there was no consultation with the Australian public, and the Office of Best Practice Regulation determined that a Regulatory Impact Statement was not required. Failure to comply with the requirements set out in the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 can result in civil and criminal penalties. Under the Civil Aviation Act, non-compliance with airworthiness directives can lead to significant penalties. Specifically, section 100 of the Act provides that a person who contravenes a direction given under the Act can be liable to a fine of up to 200 penalty units (currently AUD 22,000). Furthermore, section 101 imposes additional penalties, including imprisonment for up to two years, for serious offences. The exact penalties depend on the nature and severity of the breach, and courts may take into account various factors when determining the appropriate penalty.

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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.