AD/F27/10 - VHF Antennae - Reposition - CANCELLED

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Legislation au F2009L03755 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.

CASA issued AD/F27/10 affecting Fokker F27 series aeroplanes in 1959.  CASA has reviewed this AD and as a result has decided to cancel it.  The cancellation will become effective on 22 October 2009.  No replacement AD is required, as the original unsafe condition no longer exists.

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, New Technology and Regulatory Trends of the Standards Development and Future Technology Division, 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 legal framework for the regulation of civil aviation in Australia, ensuring the safety and efficiency of air navigation. Under this Act, the Governor-General has the authority to make regulations that support the Act's objectives, particularly in relation to the safety of air navigation. One such regulation is found in the Civil Aviation Safety Regulations 1998, where the Civil Aviation Safety Authority (CASA) is empowered to issue airworthiness directives (ADs) for certain types of aircraft and aeronautical products. These directives are legislative instruments and serve as a critical mechanism for maintaining the continuing airworthiness of aircraft, a responsibility primarily borne by the State of Registry in accordance with international conventions. CASA, as Australia's national airworthiness authority, plays a pivotal role in ensuring these standards are met and enforced within the Australian Register of aircraft.

Scope and Application

The Civil Aviation Safety Regulations 1998, under the Civil Aviation Act 1988, empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) concerning specific types of aircraft or aeronautical products. These directives are intended to ensure the continuing airworthiness of aircraft within Australia, aligning with international standards under Annex 8 to the Convention on International Civil Aviation. The State of Registry, in this case CASA, has the responsibility to develop or adopt requirements ensuring the airworthiness of aircraft registered in Australia, and must act on ADs issued by the State of Design of an aircraft type. The AD/F27/10, issued by CASA in 1959 concerning Fokker F27 series aeroplanes, has been reviewed and cancelled by CASA effective 22 October 2009, as the original safety concerns no longer exist. This cancellation reduces regulatory burden and, according to the Office of Best Practice Regulation, does not require a Regulatory Impact Statement. The legislative instrument was made by the Manager, New Technology and Regulatory Trends, on behalf of CASA, in accordance with the Civil Aviation Act 1988.

Key Provisions

The Civil Aviation Act 1988, along with the Civil Aviation Safety Regulations 1998, provides a comprehensive framework for the regulation of civil aviation in Australia. Section 98 of the Act allows the Governor-General to make regulations that serve the safety of air navigation. One such regulation, 39.001, empowers the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These directives are critical in ensuring the continuing airworthiness of aircraft, and subregulation 39.001(5) clarifies that an AD is a disallowable instrument under the Acts Interpretation Act 1901, making it a legislative instrument as per section 6 of the Legislative Instruments Act 2003. The obligations imposed by the Act and the Regulations on the parties involved are significant. The State of Design, which is responsible for the initial airworthiness of an aircraft, must provide necessary information to the State of Registry to ensure that the aircraft remains airworthy throughout its operational life. This is mandated under Annex 8 to the Convention on International Civil Aviation. The State of Registry, in this case CASA acting on behalf of Australia, must then assess this information and, if necessary, issue an Australian AD to enforce the requirements set by the State of Design. The AD/F27/10, issued in 1959 for Fokker F27 series aeroplanes, serves as an example of this process, although it has since been cancelled due to the resolution of the original unsafe condition. Failure to comply with ADs can lead to severe consequences. Although the specific penalties for non-compliance with ADs are not detailed in the provided text, it is clear that non-compliance with aviation regulations can result in both civil and criminal penalties. The severity of these penalties can vary depending on the nature and impact of the non-compliance. The regulatory framework is designed to ensure that all parties adhere to the highest safety standards, thereby protecting the public and maintaining the integrity of the aviation system. In summary, the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 establish a robust regulatory environment for ensuring the airworthiness of aircraft. The issuance and enforcement of airworthiness directives play a crucial role in this framework, with CASA acting as the national airworthiness authority. The obligations and consequences outlined in these regulations are designed to maintain the highest safety standards in the aviation industry, with significant repercussions for non-compliance.

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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.