AD/BAL/25 - Cameron Balloons Inlet Self-Seal Valves

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Legislation au F2008L00312 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 United Kingdom CAA has issued AD G-2008-0002 affecting Cameron Balloons. The UK is the State of Design for Cameron Balloons.  CASA has assessed this AD and has issued Australian AD/BAL/25, which will become effective on 11 February 2008.

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 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 was enacted to provide for the regulation of civil aviation in Australia, ensuring safety and efficiency in air navigation. The Act empowers the Governor-General to create regulations that protect the safety of air navigation, including the issuance of airworthiness directives (ADs) to maintain the continuing airworthiness of aircraft. In line with these provisions, regulation 39.001 of the Civil Aviation Safety Regulations 1998 authorises the Civil Aviation Safety Authority (CASA) to issue ADs for specific types of aircraft or aeronautical products. These directives are legislative instruments and are subject to disallowance as outlined in the Acts Interpretation Act 1901. The ADs serve to uphold Australia’s commitments under the Convention on International Civil Aviation, particularly the responsibilities of the State of Design and the State of Registry for aircraft airworthiness. In this context, CASA has issued Australian AD/BAL/25 in response to an AD from the United Kingdom's Civil Aviation Authority concerning Cameron Balloons, reflecting the collaborative nature of international aviation safety standards.

Scope and Application

The Civil Aviation Act 1988, along with the Civil Aviation Safety Regulations 1998, governs the issuance of airworthiness directives (ADs) which are designed to ensure the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 specifically empowers the Civil Aviation Safety Authority (CASA) to issue these directives for particular types of aircraft or aeronautical products. These ADs are legislative instruments that fall under the purview of the Acts Interpretation Act 1901 and the Legislative Instruments Act 2003. The ADs are mandated by Australia's obligations under the Convention on International Civil Aviation, and they address the continuing airworthiness of aircraft, a responsibility shared by the State of Design and the State of Registry. In the case of Cameron Balloons, where the United Kingdom is the State of Design, CASA has issued Australian AD/BAL/25 in response to the UK CAA’s AD G-2008-0002. This process does not require public consultation or a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation. The ADs are issued by CASA under the authority granted by the Civil Aviation Act 1988, ensuring that the requirements of the relevant State of Design are met within the Australian aviation context.

Key Provisions

The main operative sections of the Civil Aviation Act 1988, particularly as it pertains to the issue of airworthiness directives (ADs), empower the Governor-General to create regulations for the safety of air navigation (section 98). Regulation 39.001 of the Civil Aviation Safety Regulations 1998 grants the Civil Aviation Safety Authority (CASA) the authority to issue ADs for specific types of aircraft or aeronautical products. This authority is further clarified in subregulation 39.001(5), which states that ADs are disallowable instruments under section 46A of the Acts Interpretation Act 1901 and thus qualify as legislative instruments under section 6 of the Legislative Instruments Act 2003. These regulations place specific obligations on the entities involved. The State of Design, which in this context is the United Kingdom for Cameron Balloons, bears the responsibility for ensuring the continuing airworthiness of an aircraft type and must provide necessary information to States of Registry to maintain that airworthiness. This responsibility is outlined in Annex 8 to the Convention on International Civil Aviation. Correspondingly, the State of Registry must implement or adopt measures to ensure the continuing airworthiness of aircraft within its jurisdiction. CASA, acting as Australia’s national airworthiness authority, is tasked with assessing information from the State of Design and issuing Australian ADs when necessary to enforce the requirements set by the State of Design. Non-compliance with the issued ADs can result in serious consequences. While the specifics of the penalties are not detailed in the provided text, non-compliance with airworthiness regulations generally can lead to severe civil and criminal penalties. Under the Civil Aviation Act 1988, breaches of ADs can lead to substantial fines and, in severe cases, imprisonment. CASA can also take action such as grounding the aircraft or imposing operational restrictions to ensure compliance with airworthiness standards. The issuance of ADs, particularly in response to international obligations, follows a streamlined process that does not require public consultation or a Regulatory Impact Statement, as determined by the Office of Best Practice Regulation. This AD, Australian AD/BAL/25, issued by CASA in response to UK CAA AD G-2008-0002, exemplifies this process and is set to become effective on 11 February 2008. The authority to issue such ADs is exercised by the Acting Manager, Systems and New Technologies, within the Airworthiness Engineering Branch of CASA, in accordance with subsection 84A(2) of the Civil Aviation Act 1988.

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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.