COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propeller Governors
AD/GOV/5 Governor Pump Idler Gear Stud - Replacement 1/78
Applicability: All Woodward propeller governors used on AiResearch TPE 331 engines and listed below.
Requirement: Replace the governor pump idler gear stud in accordance with Woodward SB No.
33565.
Equipment Affected:
Woodward Governor 210564 prior to change letter H. Woodward Governor 210570 prior to change letter R. Woodward Governor 210735 prior to change letter E. Woodward Governor 210736 prior to change letter E. Woodward Governor 210737 prior to change letter G. Woodward Governor 210738 prior to change letter E. Woodward Governor 210739 prior to change letter G. Woodward Governor 210740 prior to change letter A. Woodward Governor 210741 prior to change letter A. Woodward Governor 210742 prior to change letter A.
Compliance: Within 300 hours time in service after 31 January 1978.
Overview
The Civil Aviation Regulations 1998, enacted by the Parliament of the Commonwealth of Australia, aim to ensure the safety of civil aviation operations within Australia. The legislation addresses the problem of maintaining aircraft airworthiness and safety through various regulations and directives, including the replacement of specific components to prevent failures. Part 39 of these regulations focuses on Airworthiness Directives (ADs), which are mandatory orders issued by the Civil Aviation Safety Authority (CASA) to address safety issues in aircraft operation. AD/GOV/5, for example, mandates the replacement of the governor pump idler gear stud in certain Woodward propeller governors used on AiResearch TPE 331 engines to prevent potential failures that could compromise flight safety. The policy objective of these regulations is to maintain high safety standards in civil aviation by enforcing timely and specific maintenance actions on identified components.
The legislative instrument F2006B10312, which pertains to the Civil Aviation Regulations 1998, reinforces the authority of CASA to issue these critical safety directives. By mandating compliance within a specified timeframe, the regulations ensure that aircraft operators adhere to safety protocols that are essential for the protection of passengers, crew, and the general public. The directives are designed to be practical and enforceable, thereby reducing the risk of accidents and enhancing the overall safety of Australian civil aviation.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 – 107, which governs the Civil Aviation Safety Authority's schedule of airworthiness directives, applies to all Woodward propeller governors used on AiResearch TPE 331 engines. This regulation is crucial for ensuring the safety and reliability of aircraft by mandating specific maintenance actions. The requirement outlined in AD/GOV/5 for governor pump idler gear stud replacement applies to particular models of Woodward governors, as detailed in the equipment affected section, and must be carried out within 300 hours of time in service following 31 January 1978. This directive is enforceable across the Commonwealth of Australia, applying uniformly to all relevant aircraft operators and maintenance entities within the national jurisdiction. The scope of the legislation is limited to the specified propeller governors and engines, and there are no stated exclusions or exemptions in this particular directive. The Civil Aviation Regulations are subject to amendments and extensions through subordinate instruments, which may further define or refine the application of these directives.
Key Provisions
The Civil Aviation Regulations 1998, under Part 39 - 107, specifically in Schedule of Airworthiness Directives, mandates the replacement of the governor pump idler gear stud for certain Woodward propeller governors used on AiResearch TPE 331 engines (AD/GOV/5). This directive applies to specific models of Woodward governors listed in the legislation, namely those prior to certain change letters, as indicated in the text (section 1/78). The requirement is to replace the idler gear stud in accordance with Woodward Service Bulletin No. 33565.
This directive imposes a compliance obligation on aircraft operators or owners to ensure that the specified Woodward propeller governors are inspected and, if necessary, have their governor pump idler gear stud replaced within 300 hours of time in service after 31 January 1978. Failure to comply with this directive can result in serious safety risks, as it directly affects the operation of the propeller governor, which is critical for maintaining safe and consistent engine performance.
Violation of these regulations can lead to significant civil or criminal consequences. Under the Civil Aviation Act 1988, non-compliance with an Airworthiness Directive can result in enforcement actions. The maximum penalties for breaches can include substantial fines and, in severe cases, criminal charges against individuals responsible for the aircraft operation. Additionally, the Australian Transport Safety Bureau may take enforcement actions against non-compliant aircraft, which could lead to grounding of the aircraft until the issue is rectified.
In summary, the Civil Aviation Regulations mandate the replacement of the governor pump idler gear stud in specific Woodward propeller governors to ensure airworthiness and safety. Compliance with these requirements is mandatory, and failure to adhere to the directive can result in both civil penalties and potential criminal charges, underscoring the importance of timely and accurate compliance with these safety measures.