AD/DO 328/48 - Rudder Spring Tab

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Legislation au F2006L00428 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 2000-002/2 affecting Dornier 328 model aircraft.  Germany is the State of Design for this type.  CASA has assessed this AD and has issued Australian AD/DO 328/48, 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 establish and regulate civil aviation safety in Australia, ensuring the safety of air navigation. Under section 98 of the Act, the Governor-General has the authority to make regulations that serve the interests of safety in air navigation, with the Civil Aviation Safety Regulations 1998 providing specific regulatory frameworks. An airworthiness directive (AD) is one such regulation, issued by the Civil Aviation Safety Authority (CASA) under regulation 39.001 to ensure the continuing airworthiness of aircraft or aeronautical products, as mandated by Annex 8 of the Convention on International Civil Aviation. Given the international nature of aviation, ADs are often issued in response to directives from the State of Design, which in turn are assessed and implemented by the State of Registry, such as Australia, to maintain safety standards across the industry. This legislative instrument was made by the Manager, Airframes in the Manufacturing, Certification and New Technologies Office on behalf of CASA, under the authority granted by the Act.

Scope and Application

The Civil Aviation Safety Regulations 1998, under the authority of 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 legislative instruments, subject to disallowance under the Acts Interpretation Act 1901, and are integral to maintaining the continuing airworthiness of aircraft, in line with international standards set by the International Civil Aviation Organization (ICAO). The State of Design, which is responsible for the overall airworthiness of a particular aircraft type, must provide necessary information to States of Registry, who are tasked with ensuring the airworthiness of individual aircraft within their jurisdiction. In the case of Australia, CASA, as the national airworthiness authority, is obligated to evaluate ADs issued by the State of Design and, if deemed necessary, issue corresponding Australian ADs. The issuance of such directives is governed by Australia’s commitments under the Convention on International Civil Aviation, and they do not require public consultation or a Regulatory Impact Statement, as determined by the Office of Regulatory Review.

Key Provisions

The key operative sections of the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products, as outlined in section 39.001 of the Regulations. These ADs are issued to ensure the continuing airworthiness of aircraft and are considered legislative instruments under section 6 of the Legislative Instruments Act 2003. The issuing of these directives is aligned with international obligations under Annex 8 to the Convention on International Civil Aviation, which mandates the State of Design to provide necessary information to ensure the continuing airworthiness of an aircraft type. In the case of the German LBA issuing AD 2000-002/2 affecting the Dornier 328 model aircraft, CASA, as Australia's national airworthiness authority, must assess this information and, if necessary, issue an Australian AD to enforce the requirements of the State of Design. The obligations and requirements imposed by this Act and the Regulations on the parties involved, particularly CASA, are significant. CASA must evaluate the ADs issued by other States of Design and decide whether to issue a corresponding Australian AD to ensure the safety and airworthiness of aircraft registered in Australia. This obligation is grounded in international cooperation and adherence to the standards set by ICAO. Additionally, the State of Registry, in this case, CASA, must develop or adopt the necessary requirements to maintain the continuing airworthiness of aircraft registered within its jurisdiction. This includes ensuring that any ADs issued by the State of Design are properly assessed and enforced in Australia, thereby maintaining the safety standards as per international conventions. The legislation also outlines the civil and criminal consequences for non-compliance with the ADs. While the specific offences and penalties are not detailed in the provided text, it is clear that failing to comply with an AD could lead to serious consequences. Generally, non-compliance with airworthiness directives can result in substantial penalties, including fines and potential imprisonment, as well as operational restrictions on the aircraft in question. These measures are intended to enforce the strict adherence to safety standards and ensure that aircraft remain airworthy. The regulatory framework thus serves to uphold the safety and reliability of civil aviation in Australia by imposing stringent obligations on all parties involved.

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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.