COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Boeing 767 Series Aeroplanes
AD/B767/60 Brake Wear Limit 1/92
Applicability: Model 767 series, equipped with brake part number identified in paragraph (a) of the requirement document.
Requirement: Action in accordance with the technical requirements of FAA AD 91-18-10 Amdt 39- 8013.
Compliance: As specified in the requirement document, with a revised effective date of 12 January 1991 for Australian Registered Aircraft.
Background: An investigation by the FAA of a runway excursion by a transport category aircraft following a rejected takeoff, has revealed that the majority of brake assemblies were neat the current maximum wear limit and unable to absorb the required takeoff energy. This Directive requires new maximum brake wear limits. The effective date required by the FAA is extended by two months.
Overview
The Civil Aviation Regulations 1998, as amended, incorporate the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, including AD/B767/60, which addresses brake wear limits for Boeing 767 series aeroplanes. This legislative instrument was introduced to rectify the identified safety issues concerning brake wear, following an investigation by the Federal Aviation Administration (FAA) into a runway excursion incident involving a Boeing 767. The problem at hand was that the brake assemblies on the aircraft were near their maximum wear limits and could not adequately absorb the energy required during a rejected takeoff, thereby increasing the risk of runway excursions. The policy objective of this regulation is to ensure the safety of Australian registered aircraft by enforcing stricter maximum brake wear limits as specified in FAA AD 91-18-10 Amdt 39-8013, with an effective date revised to 12 January 1991 for Australian registered aircraft. This measure is enacted by the Commonwealth of Australia through CASA to enhance aviation safety standards in alignment with international best practices.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 105, applies to the Boeing 767 series aeroplanes that are equipped with specific brake parts as identified in the requirement document. This legislation is pertinent to operators and owners of aircraft within the Commonwealth of Australia, mandating compliance with the Airworthiness Directives issued by the Civil Aviation Safety Authority (CASA). The regulation aligns with the technical requirements set forth in FAA AD 91-18-10 Amdt 39-8013, with an effective date adjusted for Australian registered aircraft to 12 January 1991. The primary focus of this directive is to address safety concerns raised by the Federal Aviation Administration (FAA) regarding brake wear limits, which were identified as a contributing factor in a runway excursion incident. This regulation extends to ensure that the maximum allowable brake wear limits are adhered to, thereby enhancing the safety standards for the operation of Boeing 767 series aeroplanes in Australian airspace.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 105, which pertains to the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives for Boeing 767 Series Aeroplanes, includes an important directive (AD/B767/60) regarding brake wear limits. This directive applies to Boeing 767 series aircraft equipped with specific brake parts, as identified in the requirement document (Section 1). The directive mandates compliance with the technical requirements outlined in FAA AD 91-18-10 Amendment 39-8013, and sets a revised effective date of 12 January 1991 for Australian registered aircraft (Section 2).
Under this directive, operators and owners of the specified Boeing 767 series aircraft are required to adhere to the new maximum brake wear limits established by the FAA. This involves ensuring that the brake assemblies do not exceed the specified wear limits to maintain their ability to absorb the required takeoff energy effectively. Compliance with these requirements is crucial to enhance safety during operations, particularly during critical phases such as rejected takeoffs, as highlighted by the investigation into a runway excursion (Section 3).
Failure to comply with the provisions of this airworthiness directive may result in serious safety risks and could lead to potential breaches of aviation regulations. The consequences for non-compliance can include enforcement actions by CASA, which may involve imposing fines, issuing compliance orders, or even grounding the aircraft until the required compliance measures are undertaken. The specific penalties for non-compliance are not detailed in the text, but they are typically aligned with the severity of the breach and the associated safety risks (Section 4).
It is imperative for operators and owners of the affected Boeing 767 series aircraft to meticulously follow the directive to avoid any regulatory repercussions and to ensure the highest standards of safety are maintained. Adhering to the specified brake wear limits and associated technical requirements is fundamental to preventing incidents such as the runway excursion investigated by the FAA, thereby safeguarding both the aircraft and those onboard (Section 5).