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 US FAA has issued AD 2007-09-51 affecting McDonnell Douglas 369 model helicopters. The USA is the State of Design for this type. CASA has assessed this AD and has issued Australian AD/HU 369/117, which will become effective on 01 May 2007.
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, Airframes 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 was enacted to establish a regulatory framework governing civil aviation safety in Australia. It empowers the Governor-General to make regulations, including issuing airworthiness directives (ADs) under section 98, to ensure the safety of air navigation. The Civil Aviation Safety Regulations 1998 further delineate the process, allowing the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products. This regulatory structure aligns with international standards, particularly Annex 8 to the Convention on International Civil Aviation, which mandates that the State of Design maintains responsibility for the continuing airworthiness of aircraft types and must provide necessary information to States of Registry. CASA, acting as Australia's national airworthiness authority, assesses such information and, when necessary, issues Australian ADs to enforce the requirements set forth by the State of Design. This legislative framework ensures that Australia meets its international obligations while maintaining high safety standards within its jurisdiction.
Scope and Application
The Civil Aviation Act 1988, supplemented by the Civil Aviation Safety Regulations 1998, provides the framework for the issuance of airworthiness directives (ADs) in Australia. Under this legislation, the Civil Aviation Safety Authority (CASA) is authorised to issue ADs for specific types of aircraft or aeronautical products in order to ensure the safety of air navigation. These ADs are legislative instruments that carry the force of law and are issued in accordance with international standards set by the International Civil Aviation Organization (ICAO). The State of Design holds primary responsibility for the continuing airworthiness of an aircraft type, and must provide necessary information to the State of Registry, which in turn must ensure the continuing airworthiness of the aircraft registered within its jurisdiction. When a State of Design issues an AD, CASA is obligated to assess the information and, if appropriate, issue a corresponding Australian AD to enforce the requirements. Exemptions or exclusions from these regulations are not specified in the explanatory statement, indicating a broad application to all relevant aircraft and aeronautical products within Australia's jurisdiction.
Key Provisions
The Civil Aviation Act 1988, in particular section 98, empowers the Governor-General to enact regulations that serve the interests of air navigation safety. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 further specifies that the Civil Aviation Safety Authority (CASA) has the authority to issue airworthiness directives (ADs) concerning specific types of aircraft or aeronautical products. This regulatory framework is underpinned by the legislative authority granted by the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003, where ADs are categorised as disallowable instruments and legislative instruments respectively.
Airworthiness directives are crucial for maintaining the safety and airworthiness of aircraft, as they provide essential information and mandated actions required to address identified safety issues. The State of Design, which is the country where an aircraft type is designed, has the primary responsibility for ensuring the continuing airworthiness of that type, as outlined in Annex 8 to the Convention on International Civil Aviation. Correspondingly, the State of Registry, which is the country where an aircraft is registered, must implement and enforce the airworthiness requirements for aircraft within its jurisdiction. When a State of Design issues an AD, the State of Registry, in this case CASA, must evaluate the directive and, if necessary, issue a corresponding AD to enforce the requirements domestically.
The obligations imposed by these regulations include a duty for CASA to review and assess ADs issued by the State of Design and to issue Australian ADs as needed to ensure compliance with international safety standards. This obligation extends to all types of aircraft registered in Australia, mandating that CASA must take appropriate actions to address safety issues identified by the State of Design. For instance, in response to the US Federal Aviation Administration's (FAA) AD 2007-09-51 concerning McDonnell Douglas 369 model helicopters, CASA issued Australian AD/HU 369/117 to mandate the necessary requirements for these helicopters registered in Australia.
Failure to comply with airworthiness directives can result in significant legal consequences. The Civil Aviation Safety Regulations 1998 do not explicitly outline specific offences or penalties for non-compliance with ADs, but non-compliance can lead to severe civil or criminal liabilities under the broader provisions of the Civil Aviation Act 1988. For example, operators who fail to adhere to ADs may face enforcement actions, including fines and potential criminal charges for endangering the safety of air navigation. Furthermore, CASA can take enforcement measures against non-compliant aircraft, which may include grounding the aircraft until the required actions are taken.