AD/CESSNA 400/2 - Flap Switch Insulation - Modification - CANCELLED

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Legislation au F2008L02827 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, the Civil Aviation Safety Authority (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.

CASA or its predecessors issued AD/CESSNA 400/2 affecting Cessna 411 model aircraft.  CASA has reviewed this AD and as a result has cancelled it.  The cancellation will become effective on 28 August 2008.  No replacement AD is required.

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 establish a regulatory framework for civil aviation in Australia, aiming to ensure the safety of air navigation and the continuing airworthiness of aircraft. The Act provides the legislative basis for the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) under regulation 39.001 of the Civil Aviation Safety Regulations 1998. These directives are essential for maintaining the safety standards of aircraft, as they outline the necessary actions for addressing safety issues and ensuring that aircraft remain airworthy. In accordance with international obligations under Annex 8 to the Convention on International Civil Aviation, the State of Design has the responsibility for the continuing airworthiness of aircraft types, while the State of Registry ensures the ongoing compliance of individual aircraft with airworthiness standards. CASA issued and subsequently cancelled AD/CESSNA 400/2 concerning Cessna 411 model aircraft, effective from 28 August 2008, without the need for public consultation or a Regulatory Impact Statement, reflecting its alignment with international civil aviation obligations.

Scope and Application

The Civil Aviation Act 1988 and the Civil Aviation Safety Regulations 1998 provide the legislative framework under which the Civil Aviation Safety Authority (CASA) can issue airworthiness directives (ADs) to ensure the safety of air navigation. Under the Act, CASA, as the designated authority, is empowered to issue ADs for specific types of aircraft or aeronautical products to maintain the safety standards mandated by regulation 39.001. These ADs are considered legislative instruments, as defined under the Legislative Instruments Act 2003, and they are crucial for ensuring that aircraft remain airworthy throughout their operational life. The ADs are designed to align with international standards set by the Convention on International Civil Aviation, specifically Annex 8, which stipulates that the State of Design must provide necessary information to maintain the airworthiness of an aircraft type, while the State of Registry is responsible for implementing these standards on a local level. Geographically, the Act applies within Australia's jurisdiction, but it also aligns with international obligations, particularly those set by the Convention on International Civil Aviation. This ensures that Australian regulations are in harmony with global standards. The AD/CESSNA 400/2, which specifically affected Cessna 411 model aircraft, was issued by CASA and has since been cancelled due to Australia’s commitments under the Convention. The cancellation reflects the continuous nature of regulatory adjustments required to meet international safety standards. Importantly, as these ADs are considered legislative instruments, they are subject to disallowance, and any replacement or new ADs would need to follow the legislative processes outlined in the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003. The cancellation of this specific AD did not require public consultation or a Regulatory Impact Statement as determined by the Office of Best Practice Regulation.

Key Provisions

The Civil Aviation Safety Regulations 1998 (Regulation 39.001) empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific types of aircraft or aeronautical products. These ADs serve as critical tools to ensure the continuing airworthiness of aircraft, aligning with the State of Design's responsibilities under Annex 8 to the Convention on International Civil Aviation. CASA, acting within its regulatory capacity, has issued and subsequently cancelled AD/CESSNA 400/2, which previously pertained to the Cessna 411 model aircraft. This cancellation is a direct result of Australia's commitments under the aforementioned convention and will take effect on 28 August 2008. Notably, the cancellation of this AD does not necessitate consultation with the Australian public, nor does it require a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation. The obligations imposed by the Civil Aviation Safety Regulations 1998 on CASA and other relevant entities are primarily focused on ensuring the safety and airworthiness of aircraft. CASA must diligently review and issue ADs as necessary to maintain or enhance safety standards. The State of Registry, which in this context is Australia, has a concurrent responsibility to develop or adopt requirements that ensure the continuing airworthiness of aircraft registered within its jurisdiction. This includes adhering to international standards set by the International Civil Aviation Organization (ICAO) and implementing any necessary ADs issued by CASA. Failure to comply with the provisions of the Civil Aviation Act 1988 and the associated regulations can result in significant consequences. The Act itself does not explicitly outline specific offences or penalties for non-compliance with ADs; however, broader regulatory frameworks provide for enforcement actions. Under the Civil Aviation Act 1988, breaches of safety regulations can lead to enforcement actions by CASA, which may include fines, suspension, or revocation of airworthiness certificates. The severity of penalties can vary depending on the nature and impact of the non-compliance, but they are intended to enforce stringent safety standards and ensure public safety in air navigation. In conclusion, the Civil Aviation Safety Regulations 1998, particularly Regulation 39.001, empower CASA to issue ADs to maintain the safety and airworthiness of aircraft. The obligations of CASA and the State of Registry are clearly defined to ensure adherence to international standards and the implementation of necessary safety measures. Although specific penalties for non-compliance are not detailed within the Act, the potential for enforcement actions underscores the seriousness of maintaining air safety standards. The cancellation of AD/CESSNA 400/2 exemplifies the dynamic nature of aviation regulation and the commitment to international cooperation in ensuring the safety of air navigation.

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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.