AD/TPE 331/15 - Heated Pneumatic Line - Installation

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Legislation au F2006B07423 Not in force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series

 

AD/TPE 331/15 Heated Pneumatic Line - Installation 3/86

Applicability: TPE-331-2-201C prior to Series No. 6. TPE-331-5-251C prior to Series No. 3. TPE- 331-5-251K prior to series No. 17.

 

Document: AiResearch SB TPE-331-73-0023, Rev. 1.; or AD/AIR-T/18A.

Compliance: Within 100 hours time in service after 30 April 1974.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, provide a comprehensive framework for the regulation of civil aviation in Australia. One of the key components of these regulations is Part 39, which includes specific Airworthiness Directives (ADs) to ensure the safety and airworthiness of aircraft. The inclusion of AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series under AD/TPE 331/15 addresses a specific issue with the heated pneumatic line installation in certain models of these engines, ensuring that these engines meet the required safety standards. The objective of these regulations is to mitigate any potential risks associated with the specified engine models, thereby enhancing overall aviation safety. This particular AD aims to ensure compliance within 100 hours of time in service after a specific date, thereby reinforcing the commitment to maintaining high safety standards in civil aviation.

Scope and Application

The Civil Aviation Regulations 1998, under Part 39, encompasses specific Airworthiness Directives that are pertinent to the safe operation of aircraft engines within Australian airspace. The regulation in question, AD/TPE 331/15, applies to the AlliedSignal (Garrett/AiResearch) Turbine Engines of the TPE 331 series, particularly those models that fall under certain series numbers before specific thresholds. For instance, it applies to TPE-331-2-201C engines prior to Series No. 6, TPE-331-5-251C engines prior to Series No. 3, and TPE-331-5-251K engines prior to Series No. 17. The directive mandates compliance with the installation of a heated pneumatic line as specified in AiResearch Service Bulletin TPE-331-73-0023, Revision 1, or AD/AIR-T/18A. The compliance requirement stipulates that this installation must be completed within 100 hours of the engine's time in service after 30 April 1974. The jurisdictional reach of these regulations is nationwide, overseen by the Civil Aviation Safety Authority, ensuring that all entities and persons operating such aircraft engines within Australia adhere to these safety standards. These regulations do not explicitly state any exclusions or exemptions, and their application is direct without the need for additional legislative instruments to extend or restrict their scope. The focus is on ensuring the airworthiness and safety of the specified turbine engines by mandating a specific installation, thus safeguarding the aviation industry and the public from potential risks associated with non-compliance.

Key Provisions

The main operative sections of the Civil Aviation Regulations 1998, specifically within Part 39, concern Airworthiness Directives (ADs). Section 106 pertains to ADs for the AlliedSignal (Garrett/AiResearch) Turbine Engines of the TPE 331 Series. The directive in question, AD/TPE 331/15, mandates the installation of a heated pneumatic line. This requirement is applicable to certain models of the TPE-331 series, specifically the TPE-331-2-201C before series number 6, the TPE-331-5-251C before series number 3, and the TPE-331-5-251K before series number 17. The directive references specific technical documentation, namely AiResearch SB TPE-331-73-0023, Rev. 1, and AD/AIR-T/18A, which must be followed to ensure compliance. The obligations imposed by this regulation require compliance within 100 hours of time in service after 30 April 1974. This means that operators of the specified engine models must ensure the installation of the heated pneumatic line within this time frame. The directive is clear about the need for adherence to the specified technical bulletins, which detail the installation procedures and requirements to maintain the airworthiness of the engines. Failure to comply with the airworthiness directives can result in significant consequences. Non-compliance may lead to the grounding of the aircraft until the required modifications are made, potentially causing operational disruptions and financial losses. Furthermore, there are potential civil and criminal penalties for non-compliance. Civil penalties can include fines, and in severe cases, criminal charges may be brought against individuals or entities responsible for the non-compliance. The maximum penalties for such offences can be substantial, reflecting the importance of adhering to airworthiness directives to ensure the safety of air travel.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.