AD/BEECH 33/45 - Landing Gear Up-lock Mechanism

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Legislation au F2007L01396 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 USA FAA has issued AD 2007-08-08 Amendment 39-15025 affecting Beechcraft aircraft.  The USA is the State of Design for Beechcraft aircraft types.  CASA has assessed this AD and has issued Australian AD/BEECH 33/45, which will become effective on 7 June 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, New Technologies and Systems, 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, enacted by the Commonwealth Parliament, is the principal piece of legislation governing civil aviation in Australia. The Act was introduced to provide a comprehensive framework for the regulation of civil aviation, including the safety of air navigation, the certification of aircraft, and the licensing of aviation personnel. The Civil Aviation Safety Regulations 1998, made under section 98 of the Civil Aviation Act 1988, further detail the requirements for maintaining airworthiness and safety in civil aviation. These regulations empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) to ensure that aircraft and aeronautical products meet safety standards. The objective of these regulations is to enhance the safety of air navigation by ensuring that aircraft and related products are maintained in a safe condition. In the case of international obligations, CASA must issue corresponding ADs when required by the State of Design, as mandated by Annex 8 to the Convention on International Civil Aviation.

Scope and Application

The Civil Aviation Safety Regulations 1998, under section 39.001, empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products, as stipulated in section 98 of the Civil Aviation Act 1988. These ADs, which are legislative instruments under the Legislative Instruments Act 2003, are crucial for maintaining the continuing airworthiness of aircraft as mandated by Annex 8 to the Convention on International Civil Aviation. The State of Design, such as the USA for Beechcraft aircraft, has the primary responsibility for issuing ADs, and the State of Registry, CASA in Australia’s case, must assess these directives and issue corresponding Australian ADs if necessary. In response to the USA FAA's AD 2007-08-08 Amendment 39-15025 for Beechcraft aircraft, CASA has issued Australian AD/BEECH 33/45, effective from 7 June 2007. Given the international nature of these directives and their basis in the Convention on International Civil Aviation, no public consultation was deemed necessary, and the Office of Regulatory Review determined that these ADs do not require a Regulatory Impact Statement.

Key Provisions

The Civil Aviation Act 1988 (section 98) allows the Governor-General to make regulations to ensure the safety of air navigation. In accordance with regulation 39.001 of the Civil Aviation Safety Regulations 1998, the Civil Aviation Safety Authority (CASA) has the power to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These directives are legislative instruments, as outlined in subregulation 39.001(5) of the Civil Aviation Safety Regulations 1998, and fall under the purview of section 46A of the Acts Interpretation Act 1901. The State of Design of an aircraft type is responsible for ensuring the continuing airworthiness of the type, and must provide necessary information to the State of Registry, which in turn is responsible for the continuing airworthiness of individual aircraft. Under Annex 8 of the Convention on International Civil Aviation, the State of Design has an overarching responsibility for the continuing airworthiness of an aircraft type. When the State of Design issues an AD, it is imperative that the State of Registry, such as CASA for Australia, assess this information and, if necessary, issue an Australian AD to enforce the requirements of the State of Design. This ensures that Australian aircraft meet the necessary safety standards and comply with international regulations. For instance, the USA Federal Aviation Administration (FAA) issued AD 2007-08-08 Amendment 39-15025 affecting Beechcraft aircraft, and CASA has issued Australian AD/BEECH 33/45, which will become effective on 7 June 2007. The obligations imposed on the parties governed by this Act include the State of Design providing necessary information for the continuing airworthiness of an aircraft type to the State of Registry. The State of Registry must then develop or adopt requirements to ensure the continuing airworthiness of the aircraft within its jurisdiction. This means that CASA, as the national airworthiness authority, must assess any ADs issued by the State of Design and issue corresponding Australian ADs if appropriate. This process ensures that all aircraft registered in Australia comply with the safety standards set by the relevant State of Design. Failure to comply with the airworthiness directives can lead to serious consequences. Under the Civil Aviation Act 1988, non-compliance with ADs can result in both civil and criminal penalties. Civil penalties may include fines, while criminal penalties can include imprisonment. The maximum penalties for breaches of the Act are outlined in the relevant sections of the legislation, and can vary depending on the severity of the offence. For example, under section 27 of the Act, a person who commits an offence against the Act may be liable to a penalty of up to 500 penalty units for an individual and 2500 penalty units for a body corporate. These penalties are in place to ensure that all parties adhere to the safety regulations and maintain the highest standards of airworthiness.

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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.