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.
CASA issued AD/DH 85/2, affecting De Havilland DH 85 model aircraft in 2005. This AD was based on UK AD G-2005-0025. The UK, the State of Design for this type, has now cancelled their AD. As a result, CASA has cancelled AD/DH 85/2. The cancellation will become effective on 10 April 2008. No replacement AD is required, as the UK CAA has determined that normal maintenance practices will ensure airworthiness.
No consultation with the Australian public has taken place on this AD cancellation, because the cancellation results in a reduction of the regulatory burden. 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 Branch, on behalf of CASA, in accordance with subsection 84A (2) of the Act.
Overview
The Civil Aviation Act 1988, enacted to regulate civil aviation in Australia, was amended to include provisions for the issuance of airworthiness directives (ADs) to ensure the safety of air navigation. Under section 98 of the Act, the Governor-General has the authority to make regulations for this purpose. In 1998, the Civil Aviation Safety Regulations were introduced to provide further detail, allowing the Civil Aviation Safety Authority (CASA) to issue ADs for types of aircraft or aeronautical products, as per regulation 39.001. These directives are critical for maintaining the continuing airworthiness of aircraft, a responsibility that falls to the State of Registry under Annex 8 to the Convention on International Civil Aviation. The ADs are considered legislative instruments and must be assessed and, if necessary, adopted by CASA to ensure compliance with international standards. The recent cancellation of AD/DH 85/2 for De Havilland DH 85 model aircraft, based on the cessation of a similar directive by the UK, exemplifies CASA’s role in ensuring that Australian aviation regulations align with international practices while maintaining safety standards.
Scope and Application
The Civil Aviation Act 1988, through regulation 39.001 of the Civil Aviation Safety Regulations 1998, grants the Civil Aviation Safety Authority (CASA) the power to issue airworthiness directives (ADs) for particular types of aircraft or aeronautical products. These ADs are legislative instruments, serving to ensure the continuing airworthiness of aircraft registered in Australia, and are aligned with international standards under Annex 8 to the Convention on International Civil Aviation. The State of Design holds the primary responsibility for the continuing airworthiness of an aircraft type, while the State of Registry, in this case CASA as Australia’s national airworthiness authority, must implement and enforce these directives to maintain safety standards. This legislative framework applies to all entities involved in the design, manufacture, and operation of aircraft in Australia, ensuring that all aircraft on the Australian Register meet the necessary safety criteria. The scope of this legislation extends nationally, with CASA’s authority covering all aircraft registered within Australia, and is subject to the international obligations Australia has under ICAO agreements.
Key Provisions
The Civil Aviation Act 1988 and its associated regulations, particularly the Civil Aviation Safety Regulations 1998, establish the framework for ensuring the safety of air navigation in Australia. Under section 98 of the Act, the Governor-General is empowered to make regulations, and regulation 39.001 specifically allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. These ADs are legislative instruments, as stipulated in section 6 of the Legislative Instruments Act 2003 and subregulation 39.001(5) of the Civil Aviation Safety Regulations 1998.
Obligations under the Act and its regulations are clearly defined. The State of Design, which is the country where the aircraft type is designed, has the overarching responsibility for the continuing airworthiness of that aircraft type, as outlined in Annex 8 to the Convention on International Civil Aviation. This includes providing necessary information to ensure the continuing airworthiness of the aircraft type to the appropriate States of Registry. The State of Registry, which is the country where the individual aircraft is registered, must develop or adopt requirements to ensure the continuing airworthiness of aircraft registered within its jurisdiction. In practice, this means that when a State of Design issues an AD for an aircraft type registered in Australia, CASA must assess this information and, if necessary, issue an Australian AD to enforce the requirements.
Non-compliance with airworthiness directives can lead to serious consequences. While specific offences and penalties for breaching ADs are not detailed in the provided text, the overarching nature of the Civil Aviation Act 1988 implies that failure to comply with ADs could result in legal action. Given the critical nature of airworthiness directives in ensuring the safety of air navigation, breaches could potentially lead to severe civil or criminal penalties. The exact nature and severity of these penalties would depend on the specific circumstances and the provisions of the Act, but they could include fines or other sanctions.
In summary, the Civil Aviation Act 1988 and its regulations establish a comprehensive framework for ensuring the safety of air navigation in Australia. ADs play a crucial role in this framework by ensuring that aircraft and aeronautical products meet necessary safety standards. The obligations placed on the States of Design and Registry, as well as CASA, are designed to ensure the continuing airworthiness of aircraft, and non-compliance with ADs can lead to significant legal consequences.