AD/BELL 47/95 - Bogus Main Rotor Blades - CANCELLED

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Legislation au F2009L00094 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, the Civil Aviation Safety Authority (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.

CASA or its predecessors issued AD/BELL 47/95 affecting Bell 47 model aircraft.  CASA has reviewed this AD and as a result has cancelled it.  The cancellation will become effective on 12 February 2009.  No replacement AD is required.

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, Airframes 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 provide a comprehensive framework for ensuring the safety and efficiency of civil aviation in Australia. This legislation was introduced to address the need for robust regulatory measures to safeguard the aviation industry, ensuring that air navigation is conducted with the highest standards of safety. Under the authority granted by section 98 of the Act, the Governor-General can enact regulations that serve the interests of air navigation safety. Specifically, regulation 39.001 of the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for certain types of aircraft or aeronautical products. These ADs are integral to maintaining the continuing airworthiness of aircraft and are considered legislative instruments under the Legislative Instruments Act 2003. The Civil Aviation Act 1988 thus provides the legislative backbone necessary to uphold the stringent safety standards required in the aviation sector, aligning with international obligations under the Convention on International Civil Aviation.

Scope and Application

The Civil Aviation Act 1988 and its accompanying regulations, specifically the Civil Aviation Safety Regulations 1998, empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for particular kinds of aircraft or aeronautical products to ensure the safety of air navigation. These directives are considered legislative instruments under the Legislative Instruments Act 2003. The ADs play a crucial role in the continuing airworthiness of aircraft types, with the State of Design having primary responsibility under Annex 8 to the Convention on International Civil Aviation. The State of Registry, which in Australia would be CASA, is also tasked with ensuring the continuing airworthiness of individual aircraft within its jurisdiction. Notably, the Act and its regulations extend their reach across the Commonwealth of Australia, encompassing all aircraft registered in Australia, and are aligned with international standards set by ICAO. The issuance of ADs by CASA does not require public consultation as determined by the Office of Best Practice Regulation, and they do not necessitate a Regulatory Impact Statement. The AD/BELL 47/95, affecting Bell 47 model aircraft, has been cancelled by CASA due to Australia’s international obligations under the Convention on International Civil Aviation, with no replacement directive deemed necessary.

Key Provisions

The Civil Aviation Act 1988, under section 98, grants the Governor-General the authority to create regulations that align with the Act's objectives and ensure the safety of air navigation. Regulation 39.001 of 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. As per subregulation 39.001(5), an AD is considered a disallowable instrument under section 46A of the Acts Interpretation Act 1901, thereby classifying it as a legislative instrument as outlined in section 6 of the Legislative Instruments Act 2003. Under the Convention on International Civil Aviation, particularly Annex 8, the State of Design bears the primary responsibility for the continuing airworthiness of an aircraft type and must furnish necessary information to ensure the ongoing airworthiness of the type to the relevant States of Registry. ADs represent the most common form of continuing airworthiness information, issued by most ICAO Contracting States. The State of Registry of an individual aircraft is tasked with ensuring the continuing airworthiness of that aircraft, and must establish or adopt requirements to meet this responsibility, as stipulated under Annex 8. In accordance with the obligations under the Convention on International Civil Aviation, CASA has cancelled AD/BELL 47/95, which previously affected Bell 47 model aircraft. The cancellation will take effect on 12 February 2009, and no replacement AD is necessary. This cancellation has been executed due to Australia’s commitments under the Convention on International Civil Aviation, and as such, no consultation with the Australian public has been required on this AD cancellation. Additionally, the Office of Best Practice Regulation has determined that ADs do not necessitate a Regulatory Impact Statement. The AD was issued by the Manager, Airframes in the Airworthiness Engineering Group, on behalf of CASA, in compliance with subsection 84A(2) of the Act. CASA and its predecessors are obligated to issue ADs that ensure the safety and airworthiness of aircraft, in line with international standards and domestic regulations. These directives may include requirements for maintenance, inspections, repairs, or modifications, and must be followed by aircraft operators and owners to maintain the aircraft's airworthiness. Failure to comply with an AD can result in serious safety hazards and potential legal consequences. The Act imposes a responsibility on CASA to monitor the compliance of aircraft with ADs and to enforce these regulations rigorously. Breach of any provision in the Civil Aviation Act 1988 or the Civil Aviation Safety Regulations 1998 can lead to significant legal consequences. For instance, under section 84A(3) of the Act, any person who contravenes an AD can face civil penalties, including fines up to $22,200 for individuals and $111,000 for corporations, as stipulated under section 14 of the Civil Aviation Act 1988. Additionally, CASA has the authority to pursue criminal proceedings under section 84A(5) of the Act, which can result in heavier penalties. The severity of the penalties depends on the nature and extent of the breach, with potential criminal penalties including fines up to $1,110,000 for individuals and $5,550,000 for corporations, as well as imprisonment for up to five years for serious breaches that endanger 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.