AD/TPE 331/6 - Anti-Icing Shield - Modification

Overview

The Civil Aviation Regulations 1998, enacted by the Australian Parliament, constitute a comprehensive legal framework designed to ensure the safety and efficiency of civil aviation within Australia. Within this legislative instrument, Part 39 specifically addresses Airworthiness Directives (ADs), which are regulatory measures intended to ensure that aircraft and aviation products meet required safety standards. The ADs are issued by the Civil Aviation Safety Authority (CASA) to address specific safety issues identified with particular aircraft components or systems. The policy objective behind these regulations is to maintain the highest possible safety standards in civil aviation, thus protecting the lives of passengers and crew, as well as minimising the risk of accidents. One particular example of such safety measures is the Airworthiness Directive AD/TPE 331/6, which pertains to AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series. This directive mandates modifications to the anti-icing shield of TPE-331-25A, -25D, and -25F engines to address specific safety concerns. Compliance with this directive is required forthwith, ensuring that any identified safety risks are promptly addressed. The directive references AiResearch TPE-331 Service Bulletin No. 10 and AD/AIR-T/3 for detailed compliance information, reinforcing the rigorous approach taken to maintain aviation safety standards.

Scope and Application

The AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series Anti-Icing Shield Modification, detailed in the Civil Aviation Regulations 1998, applies specifically to TPE-331-25A, -25D, and -25F engines. This regulation mandates compliance as outlined in the AiResearch TPE-331 Service Bulletin No. 10 or AD/AIR-T/3, with the expectation of immediate action upon issuance of the directive. The Civil Aviation Safety Authority oversees the implementation of these airworthiness directives, ensuring that the specified modifications are adhered to for the continued safe operation of these turbine engines within Australia's national airspace. The scope of this legislation is confined to civil aviation operations under the authority of the Commonwealth, with no specific exclusions or exemptions mentioned in the provided text. The application of these directives may be further defined or extended through subordinate instruments as necessary to maintain aviation safety standards.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 106, which pertains to the Civil Aviation Safety Authority (CASA) Schedule of Airworthiness Directives, includes a directive concerning AlliedSignal (Garrett/AiResearch) Turbine Engines of the TPE 331 series (AD/TPE 331/6). This directive addresses the modification of the anti-icing shield on the TPE-331-25A, -25D, and -25F engines. The directive is applicable to the aforementioned engines and necessitates compliance with the instructions outlined in either AiResearch TPE-331 Service Bulletin No. 10 or AD/AIR-T/3, with the compliance requirement being immediate (sections as referenced). The obligations imposed by this directive are straightforward but critical for maintaining the airworthiness of the specified engines. Operators and maintenance personnel must ensure that the modification of the anti-icing shield is performed as detailed in the referenced service bulletins. This modification is essential to prevent potential icing issues which could compromise the engine's performance and safety. The requirement is for compliance "forthwith," indicating that this modification must be carried out without delay upon the issuance of the directive. Failure to comply with this directive can have significant consequences. While the specific penalties are not detailed in the excerpt, under the Civil Aviation Regulations, non-compliance with an airworthiness directive can lead to serious civil and criminal penalties. These may include fines and potential grounding of the aircraft until the required modifications are completed. The seriousness of these penalties underscores the importance of adhering to the directives issued by CASA to maintain the highest safety standards in aviation.