AD/PR/37 - Propeller Blades - Metallic Leading Edge Guard

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

Legislation au F2007L02591 Not in force Legislative Instrument

Legislation content

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 European EASA has issued emergency AD 2007-0223-E affecting Dowty Aerospace R408 model propellers installed on DHC-8-400 series aircraft.  Europe is the State of Design for R408 propeller types.  CASA has assessed this AD and has issued Australian AD/PR/37 which will become effective on 20 August 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 Best Practice Regulation 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 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, serves to regulate the aviation industry within Australia, with an emphasis on ensuring the safety of air navigation. Section 98 of this Act empowers the Governor-General to establish regulations that uphold the safety and efficiency of air navigation. The Civil Aviation Safety Regulations 1998, which were made under the authority of this Act, include provisions for the issuance of airworthiness directives (ADs) by the Civil Aviation Safety Authority (CASA) to maintain the safety standards of aircraft and aeronautical products. The ADs are legislative instruments and are crucial for ensuring the continuing airworthiness of aircraft, aligning with Australia’s obligations under the Convention on International Civil Aviation. The ADs issued by CASA, such as AD/PR/37, reflect the international standards and practices necessary for maintaining aviation safety. This legislative framework is designed to ensure that all aircraft operating within Australia meet stringent safety requirements, thus protecting the public and supporting the international aviation community.

Scope and Application

The Civil Aviation Act 1988, supplemented by the Civil Aviation Safety Regulations 1998, governs the issuance of airworthiness directives (ADs) within Australia, aiming to ensure the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 empowers the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products. These ADs are legislative instruments under the Legislative Instruments Act 2003 and are mandated by Annex 8 to the Convention on International Civil Aviation, which assigns the State of Design overall responsibility for the continuing airworthiness of aircraft types and requires them to provide necessary information to States of Registry. CASA, as Australia's national airworthiness authority, must evaluate ADs issued by the State of Design and, if deemed necessary, issue corresponding Australian ADs to enforce the required safety measures. This process ensures that aircraft registered in Australia meet international safety standards, thereby safeguarding air navigation safety.

Key Provisions

The key operative sections of the Civil Aviation Safety Regulations 1998 under the Civil Aviation Act 1988 are crucial for understanding the regulatory framework governing airworthiness directives (ADs). Regulation 39.001 allows the Civil Aviation Safety Authority (CASA) to issue ADs for specific kinds of aircraft or aeronautical products, thereby ensuring compliance with safety standards. Section 98 of the Civil Aviation Act 1988 empowers the Governor-General to make these regulations, reinforcing the safety of air navigation. Furthermore, subregulation 39.001(5) classifies ADs as disallowable instruments under the Acts Interpretation Act 1901 and legislative instruments under the Legislative Instruments Act 2003. This classification highlights their importance and the regulatory rigour applied to their creation. The obligations imposed by the Civil Aviation Safety Regulations 1998 on CASA and other entities are substantial. CASA, as the national airworthiness authority, must assess and issue ADs when required, ensuring the continuing airworthiness of aircraft registered in Australia. The State of Design, such as the European EASA in this case, has the responsibility to provide necessary information to ensure airworthiness, while the State of Registry must develop or adopt requirements to maintain the airworthiness of individual aircraft. These obligations reflect the international nature of aviation safety standards and the need for coordinated regulatory efforts across different states. The consequences of breaching the requirements set out in the Civil Aviation Safety Regulations 1998 can be severe. Although the specific offences, penalties, or civil/criminal consequences are not detailed in the provided text, it is clear that non-compliance with ADs could lead to significant safety risks. In general, failing to adhere to ADs could result in penalties, including fines and potential criminal charges, as well as civil liabilities for accidents or incidents arising from non-compliance. The rigorous enforcement of these regulations underscores the importance of adhering to prescribed safety standards in the aviation industry.

Legal classification tags

Area of Law
Administrative Law
Environmental Law
Instrument
Regulation
Concepts
Definitions & Interpretation
Enforcement Powers
Regulatory Standards

Interactions

Authorises

All Versions

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.