AD/VAT/30 - Exhaust System Muffler Shroud - Modification

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Legislation au F2006B07564 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

 


Victa and A.E.S.L. Airtourer Series Aeroplanes

 

AD/VAT/30 Exhaust System Muffler Shroud - Modification 1/68

Applicability: Victa Airtourer 100.

 

Requirement: Drill a 3/16 inch diameter drain hole just forward of the rear face bottom centre line of each exhaust system muffler shroud P/N 42124/1.

 

Compliance: Within 100 hours time in service after 25 January 1968.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Australian Parliament, provide a comprehensive framework to ensure the safety and regulation of civil aviation within the country. A notable legislative instrument within this framework is F2006B07564, which was introduced to address specific safety concerns related to certain aircraft models. This particular instrument, PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITYSCHEDULE OF AIRWORTHINESS DIRECTIVES, targets Victa and A.E.S.L. Airtourer Series Aeroplanes, aiming to enhance the safety of these aircraft by mandating modifications to the exhaust system muffler shrouds. The policy objective is to ensure that these aircraft meet the necessary safety standards, thereby reducing the risk of potential hazards during operation.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, governs the airworthiness directives issued by the Civil Aviation Safety Authority (CASA) and applies to all aircraft registered in Australia, including those operated by private individuals and commercial entities. The particular Airworthiness Directive (AD) referenced here, AD/VAT/30, is targeted at Victa Airtourer 100 aircraft, mandating modifications to the exhaust system muffler shroud to enhance safety. This directive applies to all operators of Victa Airtourer 100 aeroplanes registered under the Commonwealth of Australia, ensuring compliance within a specified timeframe following the directive's issuance date. The AD requires the installation of a 3/16 inch diameter drain hole in each exhaust system muffler shroud, P/N 42124/1, within 100 hours of time in service after 25 January 1968. This requirement is non-negotiable and must be strictly adhered to by all affected operators to maintain the aircraft's airworthiness certification. The directive does not specify any exclusions or exemptions, and its application is not extended or restricted by subordinate instruments.

Key Provisions

The main operative sections of the Civil Aviation Regulations 1998, specifically Part 39, Subpart 105, detail the Airworthiness Directives (AD) applicable to certain aircraft. AD/VAT/30 pertains to the Victa and A.E.S.L. Airtourer Series Aeroplanes, focusing on the modification of the exhaust system muffler shroud (section 1/68). It mandates the installation of a 3/16 inch diameter drain hole in the muffler shroud, specifically positioned just forward of the rear face bottom centre line of each exhaust system muffler shroud P/N 42124/1. This requirement must be met within 100 hours of time in service after 25 January 1968. The directive ensures the airworthiness of the aircraft by addressing potential issues related to the exhaust system muffler shroud. The Civil Aviation Regulations impose several obligations and requirements on the parties or entities it governs. For Victa Airtourer 100 operators, it is mandatory to inspect and modify the exhaust system muffler shroud according to the specifications provided in AD/VAT/30. Operators must ensure that the 3/16 inch diameter drain hole is drilled in the correct position within the stipulated timeframe to maintain compliance with the regulations. Failure to adhere to these requirements could result in the aircraft being deemed unairworthy, leading to potential grounding and subsequent safety risks. In the event of non-compliance with the Civil Aviation Regulations, there are specific offences, penalties, and consequences. The regulations are enforced by the Civil Aviation Safety Authority (CASA), which has the authority to impose civil penalties for breaches. The severity of the penalty depends on the nature and seriousness of the breach. For instance, serious breaches can lead to significant fines and may also result in legal action against the operators or individuals responsible for the non-compliance. Additionally, persistent non-compliance can result in more stringent measures, including the suspension or revocation of the operator’s licence, thereby affecting their ability to conduct aviation operations. It is crucial for all parties to understand and comply with the regulations to ensure the safety and airworthiness of the aircraft.

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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.