AD/AA-5/3 - Fuel Tank Vent Lines - Modification

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Legislation au F2006B02061 Not in force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes

 

AD/AA-5/3 Fuel Tank Vent Lines - Modification NK

Applicability: All models with S/Nos. 0002 to 0045. Document:  American Aviation SB No. 128.

Compliance: Before issue of a Certificate of Airworthiness.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998 (Cth), specifically under Part 39, address various safety and operational standards for civil aviation in Australia. Enacted by the Parliament of Australia, these regulations are designed to ensure that all civil aircraft meet appropriate safety and airworthiness standards. The regulations were introduced to address the need for a comprehensive framework governing civil aviation safety, ensuring that aircraft, pilots, and other aviation personnel adhere to stringent safety protocols. The overarching policy objective of these regulations is to protect the public and enhance the safety of civil aviation through rigorous oversight and compliance requirements. One specific aspect of the Civil Aviation Regulations 1998 is the Airworthiness Directives, which include AD/AA-5/3 concerning the Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes. This directive mandates modifications to the fuel tank vent lines for all models with serial numbers 0002 to 0045, referencing American Aviation Service Bulletin No. 128. Compliance with this directive is essential before the issuance of a Certificate of Airworthiness, ensuring that the specified modifications are made to address potential safety issues related to fuel tank vent lines.

Scope and Application

The Civil Aviation Safety Authority Schedule of Airworthiness Directives, specifically AD/AA-5/3, pertains to the Gulfstream (Grumman American/ American Aviation) AA-5 Series aeroplanes, with serial numbers ranging from 0002 to 0045. This directive applies to the modification of fuel tank vent lines, as detailed in American Aviation Service Bulletin No. 128, and must be complied with prior to the issuance of a Certificate of Airworthiness. This regulation ensures that the specified modifications are implemented to maintain the airworthiness of these aircraft models, thereby enhancing safety standards within the Australian aviation sector. The directive is applicable across the Commonwealth of Australia, encompassing all entities and individuals responsible for the maintenance and certification of these aircraft, and it does not exclude any specific geographical areas within the nation. The applicability of this directive extends to all models of the Gulfstream (Grumman American/ American Aviation) AA-5 Series aeroplanes with the specified serial numbers, ensuring that all such aircraft meet the required safety standards before they can receive a Certificate of Airworthiness. The directive is comprehensive in its scope, requiring compliance by all relevant parties, including aircraft owners, operators, and maintenance providers. While the directive does not explicitly mention exclusions or exemptions, its stringent requirement for compliance before the issuance of a Certificate of Airworthiness implies that non-compliance could result in the withholding of airworthiness certification. Additionally, the regulation may be further extended or detailed through subordinate instruments issued by the Civil Aviation Safety Authority.

Key Provisions

The main operative sections of the Civil Aviation Regulations 1998 (the Regulations), specifically AD/AA-5/3 concerning Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes, mandate modifications to the fuel tank vent lines for all models with serial numbers 0002 to 0045. This directive is outlined in the American Aviation Service Bulletin No. 128 and requires compliance before a Certificate of Airworthiness can be issued (section 39-105). Essentially, this means that before any AA-5 Series aeroplane can legally take to the skies, it must undergo the specified modifications to its fuel tank vent lines. The Regulations impose several obligations and requirements on the parties or entities governed by this directive. Aircraft owners, operators, and maintenance personnel must ensure that the modifications specified in American Aviation Service Bulletin No. 128 are thoroughly implemented. This includes verifying that the vent lines are correctly installed and functioning as intended to prevent any potential hazards related to fuel tank pressurisation and venting. Additionally, any inspection or maintenance activities must be properly documented to demonstrate compliance with the regulations (section 39-105). Failure to comply with the requirements set forth in AD/AA-5/3 may result in serious legal and operational consequences. Civil Aviation Safety Authority (CASA) has the authority to take enforcement actions against non-compliant aircraft, which may include denying or revoking a Certificate of Airworthiness. Furthermore, any breaches of the Regulations can lead to civil penalties, which under the Civil Aviation Act 1988, can include fines of up to $126,000 for corporations and $25,200 for individuals (section 39-105). In severe cases, criminal charges may also be pursued, resulting in imprisonment, as the safety of air travel is paramount and any negligence can have dire consequences. Therefore, adherence to these directives is not just a regulatory requirement but a critical safety measure to protect all involved in aviation activities.

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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.