AD/FK-P/1 - Air By-Pass Valve - Modification

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Legislation au F2006B09946 Not in force Legislative Instrument

Legislation content

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Franklin Piston Engines

 

AD/FK-P/1 Air By-Pass Valve - Modification NK

Applicability: Model 6VS-335-A and 6VS-335-A installed in Bell and Hiller Helicopters in accordance with FAA STC SH1-512 and SH1-457 respectively.

 

Requirement: Carson Helicopters SB No 107 and Franklin SB No 106. Compliance:  Before installation in an aircraft after 15 June 1967.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of the Commonwealth of Australia, address the need for specific airworthiness directives to ensure the safety of aviation operations. This legislative instrument pertains to Part 39, specifically Airworthiness Directives, and includes provisions for the modification of air by-pass valves in Franklin piston engines. The directive aims to maintain and improve aviation safety by requiring specific modifications for certain engine models to be installed before use in aircraft after a specified date. This legislative measure is essential for ensuring that the aviation industry adheres to high safety standards, thereby protecting passengers, crew, and the general public from potential hazards associated with non-compliant aviation equipment. The policy objective is clearly to mandate modifications that enhance the safety and reliability of specified aircraft engines, thus contributing to the overall integrity of civil aviation safety in Australia.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 106, outlines the Civil Aviation Safety Authority Schedule of Airworthiness Directives for various aircraft components, including the Franklin Piston Engines, as detailed in AD/FK-P/1 concerning the air by-pass valve modification. This directive applies to models 6VS-335-A and 6VS-335-A installed in Bell and Hiller Helicopters, adhering to the Federal Aviation Administration (FAA) Supplemental Type Certificates (STC) SH1-512 and SH1-457 respectively. The legislation mandates compliance with Carson Helicopters Service Bulletin No 107 and Franklin Service Bulletin No 106, requiring modifications to be completed before any installation in an aircraft after 15 June 1967. The regulations ensure safety standards are upheld within the Australian civil aviation industry, impacting helicopter manufacturers, maintenance organisations, and operators by setting mandatory safety requirements for specific engine modifications. This directive does not explicitly mention jurisdictional exclusions, implying its application across the Commonwealth of Australia, including state and territory boundaries.

Key Provisions

The Civil Aviation Regulations 1998, specifically under Part 39 - 106, contain a Schedule of Airworthiness Directives, which are crucial for ensuring the safety and airworthiness of aircraft. One such directive, AD/FK-P/1, pertains to the modification of the air bypass valve for Franklin piston engines. This directive applies to model 6VS-335-A and 6VS-335-A engines installed in Bell and Hiller Helicopters, as per FAA STC SH1-512 and SH1-457 respectively (Section 106). The modification requirement is outlined in Carson Helicopters Service Bulletin No 107 and Franklin Service Bulletin No 106, and compliance must be achieved before the installation of the engine in an aircraft after 15 June 1967. Entities and individuals governed by these regulations must adhere to the specified airworthiness directives to maintain compliance with civil aviation safety standards. This includes following the technical instructions provided by Carson Helicopters and Franklin to ensure that the air bypass valve modifications are correctly implemented. The compliance must be achieved before any aircraft incorporating these engines is flown after the specified date. These requirements ensure that the engines meet safety standards and are free from defects that could compromise flight safety. Failure to comply with the airworthiness directives can result in serious consequences. Under the Civil Aviation Regulations, non-compliance can be considered a breach of safety regulations. This may lead to enforcement actions by the Civil Aviation Safety Authority (CASA), which could include fines, suspension or revocation of airworthiness certificates, or other regulatory penalties. The seriousness of non-compliance reflects the importance of adhering to these directives to maintain the highest safety standards in civil aviation. The specific penalties for non-compliance can vary depending on the severity and impact of the breach, but they are intended to enforce strict adherence to the mandated safety standards.

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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.