AD/FK-P/1 - Air By-Pass Valve - Modification - CANCELLED

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Legislation au F2009L02754 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/FK-P/1 affecting Franklin piston engines.  CASA has assessed this AD and as a result has cancelled Australian AD/FK-P/1.  The cancellation will become effective on 30 July 2009.  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 Group, on behalf of CASA, in accordance with subsection 84A (2) of the Act.

Overview

The Civil Aviation Act 1988, enacted by the Australian Parliament, provides the legislative framework for ensuring the safety of air navigation and the continuing airworthiness of aircraft. The Act empowers the Governor-General to make regulations, including the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA) under regulation 39.001 of the Civil Aviation Safety Regulations 1998. These directives are essential for maintaining the safety standards of aircraft and aeronautical products, aligning with international obligations under Annex 8 to the Convention on International Civil Aviation, which assigns the State of Design the responsibility for continuing airworthiness and mandates information sharing with States of Registry. The Civil Aviation Act 1988 thus aims to ensure that Australian civil aviation practices meet international safety standards, allowing CASA to issue and cancel ADs as necessary to address safety concerns.

Scope and Application

The Civil Aviation Act 1988, together with the Civil Aviation Safety Regulations 1998, provides the legal framework for the regulation of civil aviation safety in Australia, and applies to all aircraft registered in Australia, irrespective of whether the aircraft are operating domestically or internationally. The Act empowers the Governor-General to make regulations in the interests of the safety of air navigation, and under regulation 39.001, the Civil Aviation Safety Authority (CASA) can issue airworthiness directives (ADs) for kinds of aircraft or aeronautical products. These ADs are legislative instruments that must be assessed and potentially adopted by the State of Registry, in this case CASA, to ensure the continuing airworthiness of aircraft. The scope of the ADs is international, aligning with the obligations under the Convention on International Civil Aviation, specifically Annex 8, which assigns the State of Design responsibility for the continuing airworthiness of an aircraft type and mandates the provision of necessary information to the State of Registry. In the case of AD/FK-P/1, concerning Franklin piston engines, CASA has determined that the unsafe condition no longer exists and has cancelled the directive without a need for public consultation or a Regulatory Impact Statement. The cancellation of the AD is a direct consequence of Australia's obligations under international conventions, and the decision to cancel was made by the Manager, Systems and New Technologies, in the Airworthiness Engineering Group, on behalf of CASA.

Key Provisions

The main operative sections of this legislation pertain to the issuance of airworthiness directives (ADs) under section 98 of the Civil Aviation Act 1988 (section 98), and regulation 39.001 of the Civil Aviation Safety Regulations 1998 (section 39.001). These sections provide the authority for the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products, which are instruments that ensure the continuing airworthiness of aircraft. Notably, subregulation 39.001(5) classifies ADs as disallowable instruments under section 46A of the Acts Interpretation Act 1901, and as legislative instruments under section 6 of the Legislative Instruments Act 2003. This classification underscores the formal and authoritative nature of ADs in the regulatory framework. The obligations imposed by the Act and the associated Regulations primarily rest on CASA as Australia’s national airworthiness authority. When a State of Design issues an AD for a type of aircraft registered in Australia, CASA is required to assess the information and, if necessary, issue a corresponding Australian AD. This ensures that the requirements outlined in the international AD are effectively implemented within Australia. Furthermore, under Annex 8 to the Convention on International Civil Aviation, the State of Design holds the overall responsibility for the continuing airworthiness of an aircraft type, while the State of Registry must ensure the individual aircraft's continuing airworthiness. CASA’s role is thus integral in translating international safety standards into national regulations. In terms of breaches and consequences, the legislation does not explicitly detail specific offences or penalties within the provided text. However, the nature of ADs as legislative instruments suggests that non-compliance could result in both civil and criminal consequences. The severity of such consequences would depend on the specifics of the AD and the nature of the non-compliance, but generally, failure to adhere to ADs could lead to significant safety risks and regulatory penalties. The Civil Aviation Act 1988 and associated Regulations would provide further guidance on the enforcement mechanisms and potential penalties for breaches. It is important to note that this particular AD/FK-P/1 concerning Franklin piston engines has been cancelled by CASA because the unsafe condition it was addressing no longer exists. This cancellation, effective from 30 July 2009, does not necessitate a replacement AD and was made in accordance with subsection 84A(2) of the Act. The cancellation process aligns with Australia’s obligations under the Convention on International Civil Aviation, and no public consultation or Regulatory Impact Statement was required for this particular AD cancellation.

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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.