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/B-2/11 affecting Brantly B-2 helicopters. CASA has assessed this AD and as a result has cancelled AD/B-2/11. The cancellation will become effective on 4 June 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, Airframe and Structures, 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 Commonwealth Parliament, serves to ensure the safety and efficiency of civil aviation within Australia. This Act empowers the Governor-General to make regulations for the purpose of ensuring the safety of air navigation, including the issuance of airworthiness directives by the Civil Aviation Safety Authority (CASA). Such directives are critical in maintaining the continuing airworthiness of aircraft, aligning with Australia’s commitments under the Convention on International Civil Aviation. The Civil Aviation Safety Regulations 1998 further detail the process for issuing these directives, which are legislative instruments subject to disallowance under the Acts Interpretation Act 1901. The objective of this regulatory framework is to ensure that aircraft meet necessary safety standards and that the States of Design and Registry collaborate effectively to maintain these standards.
Scope and Application
The Civil Aviation Safety Regulations 1998, pursuant to section 98 of the Civil Aviation Act 1988, empower the Civil Aviation Safety Authority (CASA) to issue airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. These ADs are integral to ensuring the continuing airworthiness of aircraft, with CASA acting as Australia’s national airworthiness authority. The authority to issue such directives is derived from Annex 8 to the Convention on International Civil Aviation, which assigns the State of Design overall responsibility for the continuing airworthiness of an aircraft type. The State of Registry, in this case CASA, is tasked with ensuring the safety of individual aircraft on the Australian Register by developing or adopting requirements to maintain airworthiness. ADs are legislative instruments subject to disallowance under section 46A of the Acts Interpretation Act 1901, and their creation and implementation follow the provisions outlined in the Legislative Instruments Act 2003. In the case of the Brantly B-2 helicopter, CASA issued and subsequently cancelled AD/B-2/11 following an assessment that the unsafe condition no longer existed, effectively nullifying the directive without the need for a replacement. This cancellation aligns with Australia's obligations under international aviation agreements, and as such, no public consultation or Regulatory Impact Statement was required.
Key Provisions
The Civil Aviation Act 1988 (section 98) empowers the Governor-General to make regulations that contribute to the safety of air navigation. Regulation 39.001 of the Civil Aviation Safety Regulations 1998 grants the Civil Aviation Safety Authority (CASA) the authority to issue airworthiness directives (ADs) for specific kinds of aircraft or aeronautical products. These ADs, detailed in subregulation 39.001(5), are considered disallowable instruments under section 46A of the Acts Interpretation Act 1901, and are legislative instruments as per section 6 of the Legislative Instruments Act 2003. This framework is designed to ensure that all relevant parties are informed of any necessary safety measures or modifications required to maintain the airworthiness of the aircraft in question.
Under Annex 8 to the Convention on International Civil Aviation, the State of Design holds the primary responsibility for the continuing airworthiness of an aircraft type and must provide any necessary information to ensure that the aircraft remains airworthy. The State of Registry, on the other hand, is responsible for the continuing airworthiness of individual aircraft and must develop or adopt requirements to ensure this. When a State of Design issues an AD, CASA, as Australia’s national airworthiness authority, must evaluate this information and, if necessary, issue an Australian AD that mandates the requirements of the State of Design. This ensures that Australian-registered aircraft meet international safety standards.
In this specific case, AD/B-2/11 was issued by CASA, affecting Brantly B-2 helicopters. CASA has since assessed the situation and decided to cancel AD/B-2/11, effective from 4 June 2009. The cancellation is due to the unsafe condition no longer existing, and no replacement AD is required. This decision was made in accordance with Australia’s obligations under the Convention on International Civil Aviation, and as a result, there has been no consultation with the Australian public on this cancellation. Furthermore, the Office of Best Practice Regulation has determined that ADs do not require a Regulatory Impact Statement.
For breaches or non-compliance with airworthiness directives, CASA has the authority to impose various consequences, including fines and potential prosecution. The Civil Aviation Act 1988 and associated regulations provide for penalties that can be imposed on individuals or entities that fail to comply with the mandated safety requirements. These penalties can include substantial fines and, in severe cases, criminal charges. It is imperative for all parties involved, including aircraft operators, maintenance personnel, and aviation authorities, to adhere to the directives to ensure the highest standards of aviation safety are maintained.