AD/PA-34/13 - Propeller Damper Screws - Replacement

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B05884 Not in force Legislative Instrument

Legislation content

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Piper PA-34 (Seneca) Series Aeroplanes

 

AD/PA-34/13 Propeller Damper Screws - Replacement 7/74

Applicability: Model PA34-200 with S/Nos. 34-725001 to 34-7350320 that have installed Propeller Damper Installation Kit as per Piper SL No. 677A.

 

Model PA34-200 with S/Nos. 34-7350321 to 34-7450002, 34-7450004 to

34-7450063, 34-7450065 to 34-7450073, 34-7450075 to 34-7450085, 34-7450088,

34-7450090, 34-7450093 to 34-7450095, 34-7450097, 34-7450099, 34-7450101,

34-7450104, to 34-7450106, 34-7450108 to 34-7450110.

 

Document: Piper SL No. 706.

 

Compliance: Within 100 hours time in service after 31 July 1974.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, specifically Part 39 - 105, pertains to airworthiness directives issued by the Civil Aviation Safety Authority (CASA) to ensure the safe operation of aircraft in Australia. Enacted to maintain high safety standards in civil aviation, the regulations provide a framework for addressing potential safety issues through specific directives. The Piper PA-34 (Seneca) Series Aeroplanes AD/PA-34/13 directive, for instance, addresses the replacement of propeller damper screws for certain Seneca models to mitigate risks associated with the specified serial numbers and service times. This legislative instrument was developed by CASA under the authority granted by the Civil Aviation Act 1988, aiming to enhance safety by directing corrective actions for specific aircraft components. The policy objective is to ensure that all aircraft operated under Australian jurisdiction meet the highest safety standards, thereby protecting passengers, crew, and the public.

Scope and Application

The Civil Aviation Regulations 1998, under Part 39 - 105, specifically addresses the safety directives for the Piper PA-34 (Seneca) series aeroplanes, focusing on the replacement of propeller damper screws as detailed in AD/PA-34/13. This regulation applies to the PA34-200 model with specific serial numbers that have the Propeller Damper Installation Kit installed, as per Piper Service Letter No. 677A. The directive mandates compliance within 100 hours of time in service after 31 July 1974, thereby ensuring that the specified aeroplanes meet the required safety standards. The scope is explicitly defined to particular serial number ranges, ensuring that only the affected aircraft are subject to this safety directive. The geographic and jurisdictional reach of these regulations is under the Commonwealth of Australia, overseen by the Civil Aviation Safety Authority (CASA). There are no stated exclusions, exemptions, or thresholds within the document, meaning that all applicable aircraft must adhere to the specified compliance timeline. The implementation and enforcement of these directives may be extended or refined through subordinate instruments issued by CASA, which may provide further clarification or additional requirements to ensure compliance with aviation safety standards.

Key Provisions

The Civil Aviation Regulations 1998, under Part 39, specifically section 39-105, detail the Airworthiness Directives for the Piper PA-34 (Seneca) series aeroplanes. This includes the AD/PA-34/13, which pertains to the replacement of propeller damper screws (section 7/74). This directive applies to Model PA34-200 aeroplanes with specific serial numbers that have installed the Propeller Damper Installation Kit as per Piper Service Letter (SL) No. 677A. Additionally, it applies to other Model PA34-200 aeroplanes with serial numbers ranging from 34-7350321 to 34-7450002, 34-7450004 to 34-7450063, 34-7450065 to 34-7450073, 34-7450075 to 34-7450085, 34-7450088, 34-7450090, 34-7450093 to 34-7450095, 34-7450097, 34-7450099, 34-7450101, 34-7450104, to 34-7450106, and 34-7450108 to 34-7450110. Compliance with these directives is to be achieved within 100 hours of time in service after 31 July 1974, as documented in Piper SL No. 706. The regulations impose specific obligations on the owners and operators of the affected Piper PA-34 (Seneca) series aeroplanes. These include ensuring that the propeller damper screws are replaced as per the directives outlined in Piper SL No. 706. Operators must verify that the aircraft serial numbers fall within the specified ranges and that the installation kit was correctly installed according to Piper's guidelines. Furthermore, operators must ensure that the replacement of the screws is carried out within the stipulated 100 hours of time in service post the directive date of 31 July 1974. This is to ensure that the aircraft maintain their airworthiness and comply with the regulatory standards set by the Civil Aviation Safety Authority. Failure to comply with these Airworthiness Directives can result in serious consequences. The regulations outline that non-compliance may lead to civil penalties. The specific penalties are not detailed in the provided text, but typically, such penalties can include fines and other sanctions as determined by the Civil Aviation Safety Authority. Additionally, operating an aircraft that does not meet the required airworthiness standards can result in criminal charges, which may carry more severe penalties, including imprisonment. It is critical for operators to adhere to these directives to avoid any legal repercussions and to ensure the safety and compliance of their 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.