AD/BELL 204/37 - Swashplate Support Assembly

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 



Bell Helicopter Textron 204 Series Helicopters

 

AIRWORTHINESS DIRECTIVE


For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

 

AD/BELL 204/37 Swashplate Support Assembly 8/2000

Applicability: Model 204B with swashplate P/N204-011-404-125 installed.

 

Requirement: Action in accordance with the technical requirements of FAA AD 92-07-08.

 

Compliance: Before further flight after the effective date of this directive, and before installation of a P/N204-011-404-125 swashplate.

 

This Airworthiness Directive becomes effective on 10 August 2000.

 

Background:  Unapproved bushings with ODs well in excess of the permitted tolerance have been found installed in the outboard gimbal ring support lug and shoulder. It also follows the re-introduction of the AD Series after sixteen years.


 

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 6 July 2000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


The above AD is notified in the Commonwealth of Australia Gazette on 12 July 2000.

 

 

 

 

Overview

The Civil Aviation Regulations 1998 (CAR 1998) form a comprehensive set of rules governing civil aviation in Australia, with Part 39 providing specific requirements for maintaining the airworthiness of aircraft. Enacted by the Australian Government, this regulation addresses the need for consistent and rigorous safety standards in the operation of civil aircraft within Australian airspace. The policy objective underpinning these regulations is to ensure the safety of all persons and property in the air and on the ground by imposing stringent airworthiness standards on aircraft and their operations. The Civil Aviation Safety Authority (CASA) is the body responsible for enforcing these regulations and ensuring compliance through the issuance of Airworthiness Directives (ADs) when necessary. One such AD, issued under subregulation 39.1(1) of CAR 1998, pertains specifically to the Bell Helicopter Textron 204 Series Helicopters, aiming to rectify unsafe conditions identified through ongoing safety assessments.

Scope and Application

The Civil Aviation Safety Authority (CASA) issues Airworthiness Directives (AD) under the Civil Aviation Regulations 1998, which apply to specific aircraft or aeronautical products within the Commonwealth of Australia. This particular AD, numbered AD/BELL 204/37, applies to the Bell Helicopter Textron 204 Series Helicopters, specifically those with the model 204B equipped with a swashplate part number 204-011-404-125. The directive requires that the action specified in the requirement section, which aligns with the technical requirements of FAA AD 92-07-08, be undertaken before further flight after the effective date of the directive and before the installation of the mentioned swashplate. The AD was made effective on 10 August 2000, and the directive was notified in the Commonwealth of Australia Gazette on 12 July 2000. This AD does not explicitly mention any exclusions or exemptions, and compliance is mandatory for the specified aircraft within the jurisdiction of CASA.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes Airworthiness Directives (AD) that govern the safety and compliance requirements for various aircraft and aeronautical products. This particular directive, AD/BELL 204/37, pertains to Bell Helicopter Textron 204 Series Helicopters, particularly Model 204B helicopters with swashplate P/N204-011-404-125 installed (section 1). The directive mandates that specific actions must be taken to rectify an unsafe condition identified in the swashplate support assembly, in accordance with the technical requirements of FAA AD 92-07-08 (section 2). The directive requires that this action be carried out before any further flight following the effective date of the directive and before the installation of a new swashplate (section 3). The directive becomes effective on 10 August 2000, and its publication in the Commonwealth of Australia Gazette on 12 July 2000 ensures its legal enforceability (section 4). Under this AD, operators and owners of the affected aircraft are obligated to comply with the specified actions to ensure the airworthiness and safety of the helicopter. This includes adhering to the technical requirements of FAA AD 92-07-08, which likely involves inspecting, replacing, or modifying parts of the swashplate support assembly to meet safety standards (section 5). The compliance requirement necessitates that the mandated actions be completed before further flights, highlighting the urgency and importance of addressing the identified unsafe condition (section 6). Additionally, operators must ensure that any new swashplate installed meets the specified standards, thus maintaining the integrity and safety of the aircraft (section 7). Failure to comply with the requirements of this Airworthiness Directive may result in severe consequences. The primary concern is the potential for unsafe conditions leading to accidents or failures during flight, which could endanger lives and property. While the regulations do not explicitly state penalties in the provided text, non-compliance with Civil Aviation Regulations can typically result in substantial fines, enforcement actions, and potential grounding of the aircraft. In extreme cases, it could also lead to criminal charges, particularly if negligence or willful disregard of safety regulations is proven (section 8). The exact penalties and enforcement measures are usually detailed in other sections of the Civil Aviation Regulations 1998 and related aviation safety laws.

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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.