AD/RES/27 Amdt 2 - HEMCO Seat Belts and Harnesses - CANCELLED

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Legislation au F2009L00856 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/RES/27 Amendment 2 affecting HEMCO seat belts and harnesses.  CASA has assessed this AD and as a result has cancelled Australian AD/RES/27 Amendment 2.  The cancellation will become effective on 9 April 2009.  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, Airframe and Structures, in the Airworthiness Engineering Group, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988, enacted by the Commonwealth Parliament, provides a comprehensive framework for regulating civil aviation within Australia. This Act was introduced to ensure the safety and efficiency of air navigation, addressing a need for a cohesive legislative structure to manage the burgeoning aviation industry. Under the authority conferred by this Act, the Civil Aviation Safety Regulations 1998 were established, and one of the key instruments within these regulations is the issuance of airworthiness directives (ADs). ADs serve as a crucial tool for maintaining the continuing airworthiness of aircraft and aeronautical products, ensuring they meet the necessary safety standards. The Civil Aviation Safety Authority (CASA), acting as Australia’s national airworthiness authority, is responsible for assessing international airworthiness directives issued by States of Design and, when appropriate, issuing corresponding Australian ADs to enforce these standards domestically. This process is integral to fulfilling Australia’s obligations under the Convention on International Civil Aviation, particularly those outlined in Annex 8, which mandates the State of Design to provide necessary information to ensure an aircraft type’s continuing airworthiness.

Scope and Application

The Civil Aviation Act 1988 and its associated Civil Aviation Safety Regulations 1998 provide the legislative framework within which the Civil Aviation Safety Authority (CASA) can issue airworthiness directives (ADs). These regulations enable CASA to mandate specific actions to ensure the continuing airworthiness of aircraft and aeronautical products registered in Australia. As an instrument of the Act, ADs fall under the purview of the Legislative Instruments Act 2003, thus classifying them as legislative instruments. The responsibility for issuing ADs lies with CASA, which acts on behalf of the Australian government to uphold international safety standards under the Convention on International Civil Aviation. Specifically, ADs are tools used by the State of Design to communicate necessary actions to maintain the airworthiness of aircraft types, which the State of Registry, in this case CASA, must then enforce within Australia. The AD/RES/27 Amendment 2 concerning HEMCO seat belts and harnesses, initially issued and later cancelled by CASA, exemplifies the application of these regulations. The cancellation of this directive, due to the resolution of the unsafe condition, was made in alignment with Australia’s international obligations and without the need for public consultation or a Regulatory Impact Statement.

Key Provisions

The Civil Aviation Act 1988 (section 98) allows the Governor-General to make regulations that serve the interests of air navigation safety, with regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically enabling the issuance of airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are legislative instruments and must comply with section 46A of the Acts Interpretation Act 1901 and section 6 of the Legislative Instruments Act 2003. Annex 8 to the Convention on International Civil Aviation assigns the State of Design the primary responsibility for the ongoing airworthiness of an aircraft type and requires it to provide necessary information to ensure the continuing airworthiness of the type to appropriate States of Registry. The State of Registry, on the other hand, must develop or adopt requirements to ensure the continuing airworthiness of individual aircraft. When the State of Design issues an AD against a type of aircraft registered in Australia, CASA, as the national airworthiness authority, must evaluate this information and, if necessary, issue an Australian AD to enforce the requirements of the State of Design. The obligations imposed by the Civil Aviation Safety Regulations 1998 on parties or entities governed by the Act are multi-faceted. The State of Design must provide crucial information about the continuing airworthiness of aircraft types to the appropriate States of Registry, ensuring that all relevant parties are informed and can take appropriate action. The State of Registry must establish or adopt regulations to ensure the continuing airworthiness of aircraft. CASA, as the national airworthiness authority, must assess any ADs issued by the State of Design and, if necessary, issue corresponding Australian ADs to ensure compliance with safety standards. These obligations are critical to maintaining high safety standards in civil aviation, ensuring that all aircraft remain airworthy throughout their operational lives. Failure to comply with the requirements of the Civil Aviation Safety Regulations 1998 and the associated ADs can lead to serious consequences. Although the specific offences, penalties, or civil and criminal consequences for breach are not detailed in the provided text, it is reasonable to infer that non-compliance with airworthiness directives could result in severe penalties under Australian aviation law. Such penalties could include fines, suspension or revocation of airworthiness certificates, and potentially criminal charges for individuals or entities found to have violated the regulations. The exact penalties would depend on the nature and severity of the breach, but the overarching goal is to ensure that all parties adhere strictly to the safety regulations to protect the public and maintain the integrity of the aviation industry.

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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.