AD/BEECH 50/13 - 50 Amp Motor Overload Circuit Breaker - CANCELLED

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2008L01207 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.

The Civil Aviation Safety Authority or its predecessors issued AD/BEECH 50/13 affecting Beechcraft 50 model aircraft with serial numbers DH-180 and FH-90 except DH-167, DH-179 and FH-87.  CASA has assessed this AD and as a result has cancelled Australian AD/BEECH 50/13.  The cancellation will become effective on
8 May 2008.  No replacement AD is required, as the unsafe condition no longer exists.

As this AD has been cancelled because of Australia’s obligations under the Convention on International Civil Aviation, no consultation with the Australian public has taken place on this AD cancellation.  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,  Systems and New Technologies in the Airworthiness Engineering Branch, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

 

Overview

The Civil Aviation Act 1988 was enacted to provide for the regulation of civil aviation in Australia with a strong emphasis on safety. This Act empowers the Governor-General to make regulations to ensure the safety of air navigation. Specifically, regulation 39.001 of the Civil Aviation Safety Regulations 1998 grants the Civil Aviation Safety Authority (CASA) the authority to issue airworthiness directives (ADs) concerning specific types of aircraft or aeronautical products. These directives are instrumental in maintaining the safety and airworthiness of aircraft, aligning with Australia's obligations under the Convention on International Civil Aviation. The Act was introduced to address the need for a robust regulatory framework that ensures the safety and efficiency of civil aviation within Australian airspace. The authority to issue ADs is exercised by CASA, which, in compliance with international standards, ensures that any necessary measures are taken to maintain the airworthiness of aircraft registered in Australia.

Scope and Application

The Civil Aviation Safety Regulations 1998, made under section 98 of the Civil Aviation Act 1988, provide the framework within which the Civil Aviation Safety Authority (CASA) may issue airworthiness directives (ADs) for specified types of aircraft or aeronautical products. These regulations extend to all aircraft registered in Australia, as well as to any aircraft or aeronautical products operating within Australian airspace, thus covering a broad range of entities and industries within the aviation sector. The ADs are legislative instruments that adhere to the requirements of the Legislative Instruments Act 2003, and they are issued in accordance with international standards, particularly those outlined in Annex 8 to the Convention on International Civil Aviation. The ADs serve to mandate safety requirements that ensure the continuing airworthiness of aircraft types, with CASA acting as the national airworthiness authority responsible for assessing and implementing these directives as necessary. The scope of the ADs can be tailored to specific aircraft models, such as the Beechcraft 50 model aircraft with certain serial numbers, and they can be cancelled or modified based on the evolving safety assessments and international obligations.

Key Provisions

The key provisions of the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 revolve around the issuance of airworthiness directives (ADs) under section 98 and regulation 39.001 respectively. This legislation allows the Civil Aviation Safety Authority (CASA) to issue ADs that mandate specific requirements for types of aircraft or aeronautical products to ensure the continuing airworthiness of these aircraft. These ADs are considered legislative instruments under section 6 of the Legislative Instruments Act 2003. As part of the Convention on International Civil Aviation, 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 to ensure compliance. In turn, the State of Registry, in this case CASA, is responsible for evaluating this information and issuing appropriate ADs if necessary. The obligations imposed by this legislation include the requirement for CASA to assess any ADs issued by the State of Design and determine if an Australian AD is necessary. CASA must ensure that all ADs issued comply with the safety standards outlined in the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998. The State of Registry is also tasked with developing or adopting requirements to ensure the continuing airworthiness of aircraft on its register. This process ensures that all aircraft operating within Australia meet the necessary safety standards. Any failure to comply with the provisions of the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 can lead to significant consequences. While specific offences and penalties are not detailed in the provided text, breaches of these regulations can result in both civil and criminal liabilities. Penalties can include fines, imprisonment, or both, depending on the severity of the breach and the discretion of the court. The authority to issue ADs and the responsibility for ensuring compliance underscores the importance of maintaining high safety standards in the aviation industry.

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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.