AD/F100/76 - Main Landing Gear Outboard Door

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Legislation au F2006L00417 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 Netherlands CAA has issued AD N-2006-001 affecting Fokker F100 model aircraft.  The Netherlands is the State of Design for this type.  CASA has assessed this AD and has issued Australian AD/F100/76, which will become effective on 16 March 2006.

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 provide a comprehensive framework for the regulation of civil aviation in Australia. The Act empowers the Governor-General to create regulations aimed at ensuring the safety of air navigation, and under this authority, the Civil Aviation Safety Regulations 1998 were established. These regulations permit the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for certain types of aircraft or aeronautical products. An AD is a legislative instrument that becomes effective following assessment by CASA, ensuring that aircraft on the Australian Register maintain their airworthiness as per international standards, specifically those outlined in Annex 8 to the Convention on International Civil Aviation. The issuing of ADs is a critical mechanism through which Australia fulfills its obligations under international conventions, and thus, while these instruments are subject to internal regulatory processes, they often bypass broader public consultation requirements. This approach ensures that Australian aviation safety standards align with international best practices, thereby safeguarding the integrity and safety of air navigation within and beyond Australia's borders.

Scope and Application

The Civil Aviation Act 1988, as supplemented by the Civil Aviation Safety Regulations 1998, governs the issuance of airworthiness directives (ADs) in Australia, ensuring compliance with international safety standards as set out in the Convention on International Civil Aviation. Specifically, regulation 39.001 of the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue ADs for types of aircraft or aeronautical products to maintain the continuing airworthiness of aircraft registered in Australia. The ADs serve as legislative instruments, subject to disallowance and review, and are integral to fulfilling Australia’s international obligations under the Convention on International Civil Aviation. The application of ADs is geographically and jurisdictionally comprehensive, affecting all aircraft and aeronautical products within Australia, irrespective of the specific state or territory where the aircraft may be based. This regulatory framework ensures that CASA, acting as the national airworthiness authority, can mandate compliance with safety directives issued by the State of Design, such as the Netherlands in the case of the Fokker F100 model aircraft. Exemptions or exclusions are not generally applicable as the ADs are integral to maintaining safety standards; however, the process for issuing these directives does not require public consultation or a Regulatory Impact Statement, as they are in response to international obligations and directives.

Key Provisions

The Civil Aviation (Safety) Regulations 1998, under section 39.001, empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. Section 98 of the Civil Aviation Act 1988 supports this, as it allows the Governor-General to make regulations that ensure the safety of air navigation. An airworthiness directive is considered a disallowable instrument under section 46A of the Acts Interpretation Act 1901 and is a legislative instrument as per section 6 of the Legislative Instruments Act 2003. The obligations imposed by these regulations primarily involve the continuing airworthiness of aircraft. The State of Design, which in this case is the Netherlands for the Fokker F100 model aircraft, has the responsibility to provide necessary information to ensure the airworthiness of the aircraft type. This is in accordance with Annex 8 to the Convention on International Civil Aviation. CASA, as Australia’s national airworthiness authority, must then assess this information and issue an Australian AD if appropriate, to mandate the requirements of the State of Design. This ensures that the continuing airworthiness of aircraft registered in Australia is maintained, in line with international standards. The airworthiness directives issued by CASA are not subject to public consultation or a Regulatory Impact Statement, as they arise from Australia's international obligations under the Convention on International Civil Aviation and are in response to directives issued by the relevant State of Design. The ADs are issued by the Manager, Airframes in the Manufacturing, Certification and New Technologies Office, on behalf of CASA, in accordance with subsection 84A(2) of the Civil Aviation Act 1988. Failure to comply with the requirements set out in an airworthiness directive can lead to significant legal consequences. Although the specific penalties are not detailed in the provided text, it is common for non-compliance with such directives to result in severe penalties, including fines and potential criminal charges, especially if the non-compliance leads to safety incidents. The severity of the penalties underscores the importance of adhering to airworthiness directives to ensure the safety of air navigation.

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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.