Overview

The Civil Aviation Regulations 1998, as part of the broader legislative framework governing civil aviation in Australia, was enacted to establish and maintain the highest standards of safety and efficiency within the aviation industry. One of its components, specifically addressed in Part 39, focuses on issuing Airworthiness Directives (ADs) to ensure that aircraft and aeronautical products meet the necessary safety standards. The ADs are issued by the Civil Aviation Safety Authority (CASA), which acts as the delegate of the Australian government. The overarching policy objective of these regulations is to prevent unsafe conditions that could compromise the safety of aircraft and passengers. The specific Airworthiness Directive AD/RB211/31, effective from 13 June 2002, targets the Rolls Royce RB211 Series engines, addressing the identified issue of cracking in the engine mount bush. This AD mandates the replacement of the affected bushes to ensure the integrity of the thrust load path, thereby mitigating the risk of compromising aircraft safety. This directive was issued following the classification of the requirement document by the UK Civil Aviation Authority as mandatory, reflecting a commitment to stringent safety measures across the aviation industry.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 106, mandates the Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) to address safety concerns related to the Rolls Royce RB211 Series engines. This AD applies to the identified Rolls Royce RB211 Series engines as listed in the accompanying requirement document, which has been classified as mandatory by the UK Civil Aviation Authority. The directive requires the replacement of engine mount bushes in accordance with the specified Rolls Royce Service Bulletin, SB RB.211-71-D437, to prevent cracking that could compromise the integrity of the thrust load path, thereby ensuring aircraft safety. The directive became effective on 13 June 2002, as detailed in the requirement document, and was notified in the Commonwealth of Australia Gazette on 22 May 2002. The AD's geographic reach is within the Commonwealth of Australia, applying to all aircraft within its jurisdiction that use the specified Rolls Royce engines.

Key Provisions

The main sections of this Airworthiness Directive (AD) outline the requirements and compliance details for the specified Rolls Royce RB211 Series engines. Section (a) specifies that the directive applies to the listed engines, while section (b) mandates that the action required to address the unsafe condition, detailed in the Rolls Royce Service Bulletin RB.211-71-D437, must be taken. Section (c) outlines the timing for compliance with the directive, which was revised to an effective date of 13 June 2002. The AD itself becomes effective on the same date, as detailed in the directive. The obligations imposed by this AD on the parties or entities it governs include ensuring that the specified Rolls Royce RB211 Series engines are inspected and, if necessary, the spherical bush in the front mount support link is replaced. This action is necessary to correct the unsafe condition identified, which is the potential for cracking of the bush that could compromise the engine's thrust load path and, consequently, aircraft safety. The directive mandates compliance with the instructions provided in the Rolls Royce Service Bulletin RB.211-71-7437. Failure to comply with this AD could result in civil or criminal consequences. The specific penalties for non-compliance are not detailed in the AD, but generally, non-compliance with ADs issued by the Civil Aviation Safety Authority (CASA) can result in significant penalties. Civil penalties can include fines, and in severe cases, criminal charges may be pursued, leading to imprisonment. The exact penalties depend on the severity of the breach and are determined by the relevant aviation authority or a court of law.