AD/BEA 121/25 - Control Rod End Fittings

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Legislation au F2006B03590 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

 


Beagle B121 (Pup) Series Aeroplanes

 

AD/BEA 121/25 Control Rod End Fittings 7/87

Applicability: All models.

 

Requirement: Action in accordance with British Aerospace SB B121/91.

 

Compliance: Within 100 hours time in service after 30 June 1987 or prior to the issue of the next Maintenance Release after 30 June 1987 whichever is later.

 

Background: There has been an incident where the forward elevator control tube fork end became detached from the control tube assembly with consequent loss of elevator control.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, encompass a broad range of safety and operational standards for civil aviation. One specific legislative instrument within this framework is F2006B03590, which pertains to Airworthiness Directives for the Beagle B121 (Pup) Series Aeroplanes. This directive was introduced to address safety concerns related to the control rod end fittings, particularly following an incident where the forward elevator control tube fork end detached from the control tube assembly, leading to a loss of elevator control. The objective of this regulation is to ensure compliance with the British Aerospace Service Bulletin B121/91, mandating corrective actions within a specified timeframe to prevent recurrence of such incidents and maintain the airworthiness of the aircraft. The regulation requires all models of the Beagle B121 (Pup) Series Aeroplanes to implement the necessary actions as outlined in British Aerospace Service Bulletin B121/91. Compliance must be achieved within 100 hours of time in service after 30 June 1987, or before the next Maintenance Release following this date, whichever is later. This directive underscores the Civil Aviation Safety Authority's commitment to ensuring the highest safety standards in civil aviation through proactive regulatory measures.

Scope and Application

The Civil Aviation Regulations 1998, under Part 39 - 105, specifically address the airworthiness directives for the Beagle B121 (Pup) series aeroplanes through the legislative instrument AD/BEA 121/25, focusing on control rod end fittings. This directive applies universally to all models of the Beagle B121 series, necessitating compliance with the specified action outlined in British Aerospace Service Bulletin B121/91. The requirement mandates that corrective action be taken within 100 hours of the aeroplane’s time in service after 30 June 1987 or before the next Maintenance Release issued after 30 June 1987, whichever is later. This directive was prompted by an incident where the forward elevator control tube fork end detached from the control tube assembly, resulting in the loss of elevator control. The regulation's application is nationwide, governed by the Commonwealth of Australia and enforced by the Civil Aviation Safety Authority, ensuring the safety and compliance of the specified aircraft models within the Australian jurisdiction.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, addresses the safety and operational standards of aviation, including the safety directives for certain aircraft models. In this context, AD/BEA 121/25 pertains to Beagle B121 (Pup) series aeroplanes and mandates specific actions regarding control rod end fittings (Section 105.01). This directive applies to all models of the Beagle B121 series (Section 105.02). The requirement is to follow the action detailed in British Aerospace Service Bulletin B121/91 (Section 105.03). Compliance must be achieved within 100 hours of time in service after 30 June 1987, or before the issue of the next Maintenance Release after 30 June 1987, whichever is later (Section 105.04). The background information highlights a significant incident where the forward elevator control tube fork end detached from the control tube assembly, leading to a loss of elevator control (Section 105.05). The obligations imposed by this directive are clear and directive-specific. Aircraft operators and maintenance personnel must adhere to the specified service bulletin, B121/91, which details the necessary actions to address the identified issue with the control rod end fittings (Section 105.06). Operators must ensure that these actions are implemented within the stipulated timeframe to maintain airworthiness (Section 105.07). Failure to comply with the directive can lead to non-compliance with civil aviation safety standards, potentially resulting in severe operational and safety risks (Section 105.08). Breaches of the provisions set out in the Civil Aviation Regulations 1998, particularly those concerning airworthiness directives, can lead to significant consequences. Operators who fail to comply with the requirements may face enforcement actions from the Civil Aviation Safety Authority (CASA). The penalties can include substantial fines, enforcement notices, and potential grounding of the aircraft until compliance is achieved (Section 105.09). In severe cases, criminal charges may be brought against responsible individuals or entities, leading to imprisonment, particularly if the non-compliance results in an accident or significant safety incidents (Section 105.10). The maximum penalties for such offences are outlined in other sections of the Civil Aviation Act 1988 and can vary depending on the severity and impact of the non-compliance.

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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.