AD/BEECH 35/37 - Fuel and Hydraulic Lines in Engine Compartment - CANCELLED

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Legislation au F2008L01232 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 35/37 affecting Beechcraft 35 type aircraft.  CASA has assessed this AD and as a result has cancelled Australian AD/BEECH 35/37.  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 Acting 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, enacted by the Australian Parliament, aims to regulate civil aviation in the interests of safety, efficiency, and international obligations. This Act provides the legislative foundation for the issuance of regulations under section 98, which empower the Governor-General to implement rules for air navigation safety. The Civil Aviation Safety Regulations 1998, made under this Act, further detail the processes and responsibilities for maintaining aircraft airworthiness. Regulation 39.001 of these regulations allows the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs are considered legislative instruments and are subject to disallowance as per the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003. The policy objective of these provisions is to ensure the continuing airworthiness of aircraft and aeronautical products, aligning with Australia’s commitments under the Convention on International Civil Aviation, particularly Annex 8. This legislative framework ensures that CASA, as the national airworthiness authority, can mandate safety requirements in response to international directives when necessary.

Scope and Application

The Civil Aviation Act 1988 and its associated regulations, particularly the Civil Aviation Safety Regulations 1998, apply to the issuance of airworthiness directives (ADs) for the maintenance of the continuing airworthiness of aircraft within Australia. Specifically, regulation 39.001 of the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue ADs for specific kinds of aircraft or aeronautical products, which are legislative instruments under the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003. These ADs are essential for ensuring that aircraft meet ongoing safety standards and comply with international obligations under the Convention on International Civil Aviation, particularly those related to the State of Design and the State of Registry. The cancellation of an AD, such as AD/BEECH 35/37 for Beechcraft 35 type aircraft, reflects Australia's commitment to these international obligations and is made without public consultation as it pertains to the specific international safety measures.

Key Provisions

The main operative sections of the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 provide the authority for the issuance of airworthiness directives (ADs). Specifically, section 98 of the Act allows the Governor-General to make regulations for air safety, while regulation 39.001 of the Regulations empowers the Civil Aviation Safety Authority (CASA) to issue ADs for specific kinds of aircraft or aeronautical products. This regulatory framework ensures that ADs, which are legislative instruments under section 6 of the Legislative Instruments Act 2003, are issued to maintain or ensure the continuing airworthiness of aircraft. The responsibilities of the State of Design and the State of Registry under Annex 8 of the Convention on International Civil Aviation further underpin this regulatory process. In the case of the Beechcraft 35 type aircraft, CASA issued and subsequently cancelled AD/BEECH 35/37, reflecting the resolution of the unsafe condition identified previously. The obligations imposed on parties and entities governed by these provisions are multi-faceted. The State of Design, which designs the aircraft type, must ensure that any information necessary for the continuing airworthiness of the aircraft type is provided to the appropriate States of Registry. The State of Registry, which in this context is Australia, must develop or adopt requirements to ensure the continuing airworthiness of aircraft registered within its territory. CASA, as Australia's national airworthiness authority, has the duty to assess ADs issued by the State of Design and to issue corresponding Australian ADs as necessary. This process ensures a coordinated international effort to maintain high safety standards in aviation. There are specific consequences and penalties outlined for non-compliance with these regulations. While the Act does not explicitly detail penalties for non-compliance with ADs, failure to comply with an AD could lead to civil or criminal liabilities under other provisions of the Act. For instance, non-compliance with airworthiness standards can result in severe penalties, including fines and imprisonment. Additionally, aircraft found to be unairworthy may be grounded, preventing operation until the deficiencies are rectified. The severity of the penalties often depends on the nature and extent of the non-compliance, with serious violations potentially resulting in significant financial penalties and imprisonment for individuals or corporations. In summary, the Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 establish a robust framework for issuing airworthiness directives to maintain the safety and airworthiness of aircraft. The obligations of the State of Design and the State of Registry are clearly defined, with CASA playing a critical role in implementing these obligations domestically. Non-compliance with these regulations carries significant civil and criminal consequences, underscoring the importance of adhering to the stipulated airworthiness standards.

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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.