AD/DO 228/4 - Cockpit and Cabin Auxiliary Heaters

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Legislation au F2005L02842 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 German LBA has issued AD 2002-264 affecting Dornier 228 model aircraft.  Germany is the State of Design for these types.  CASA has assessed this AD and has issued Australian AD/DO 228/4, which will become effective on 27 October 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 Australian Parliament, establishes the framework for ensuring the safety and efficiency of civil aviation in Australia. This legislation addresses the need for a regulatory structure that supports the safety of air navigation, the regulation of aircraft and aeronautical products, and the enforcement of international civil aviation standards. In particular, the Act empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) to maintain the continuing airworthiness of aircraft, thereby aligning with international obligations under the Convention on International Civil Aviation. The issuance of ADs is a critical mechanism for ensuring that aircraft meet safety standards, and these directives are considered legislative instruments under Australian law. The Civil Aviation Safety Regulations 1998 further detail the processes and requirements for the issuance of ADs, which are aimed at protecting public safety and upholding international aviation safety standards.

Scope and Application

The Civil Aviation Act 1988 applies to all persons and entities involved in civil aviation activities within Australia, including aircraft operators, pilots, and manufacturers, ensuring adherence to safety regulations to safeguard air navigation. The Act empowers the Governor-General to create regulations aimed at maintaining air safety, with the Civil Aviation Safety Regulations 1998 further detailing these provisions. Specifically, regulation 39.001 allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products, which are considered legislative instruments under the Legislative Instruments Act 2003. These ADs are essential for ensuring the continuing airworthiness of aircraft, with the State of Registry, in this case, CASA, responsible for implementing and enforcing them. Additionally, ADs must align with international standards under Annex 8 to the Convention on International Civil Aviation, ensuring consistency and cooperation among contracting states. This legislative framework does not require public consultation or a Regulatory Impact Statement for ADs, streamlining the process for addressing safety concerns efficiently.

Key Provisions

The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 lay out the framework for issuing airworthiness directives (ADs) aimed at ensuring the safety of aircraft and aeronautical products. Under section 98 of the Act, the Governor-General has the authority to create regulations that serve the interests of air navigation safety. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically allows the Civil Aviation Safety Authority (CASA) to issue ADs for certain kinds of aircraft or aeronautical products, thereby making these directives legislative instruments as per section 6 of the Legislative Instruments Act 2003. The obligations imposed by these provisions are primarily on CASA as Australia’s national airworthiness authority. When a State of Design issues an AD for an aircraft type registered in Australia, CASA must assess this information and, if deemed appropriate, issue an Australian AD to enforce the requirements outlined by the State of Design. This ensures that the continuing airworthiness of aircraft registered in Australia is maintained in line with international standards. Additionally, the State of Registry must develop or adopt requirements to ensure the continuing airworthiness of aircraft, which includes implementing ADs as mandated by CASA. Failure to comply with ADs can result in severe consequences. Violations of ADs may lead to civil or criminal penalties, depending on the nature and severity of the non-compliance. Civil penalties can include fines, while criminal penalties can include imprisonment, reflecting the serious nature of ensuring air safety. The exact penalties depend on the specific breach and are determined by the relevant laws and regulations. CASA has the authority to enforce these regulations and take action against entities or individuals who fail to comply with the ADs. CASA’s role in issuing and enforcing ADs is pivotal in maintaining the safety standards set by international conventions, such as Annex 8 to the Convention on International Civil Aviation. These ADs are crucial for ensuring that aircraft types registered in Australia meet the necessary safety requirements. For instance, the German Federal Aviation Office (LBA) issued AD 2002-264 concerning Dornier 228 model aircraft, which CASA assessed and subsequently issued as Australian AD/DO 228/4. This process highlights the importance of international cooperation in maintaining airworthiness standards and ensuring that ADs are issued and enforced to protect public safety without the need for extensive public consultation or regulatory impact statements.

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Aviation Law
Instrument
Regulation
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Definitions & Interpretation
Regulatory Standards
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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.