Airworthiness Directives 2004 - Revocation and Remaking - Airtractor AT-300 400 and 500 Series Aeroplanes

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 Airworthiness Directives 2004

 I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety

 Authority, acting under subregulation 39.001 (1) of the Civil

 Aviation Safety Regulations 1998:

 (a) revoke the Airworthiness Directives mentioned in

 Schedule 1; and

 (b) make, as separate instruments, each Airworthiness

 Directive mentioned in Schedule 1 and attached.

 

 

 David Villiers

 Delegate of the Civil Aviation Safety Authority

 

  20 December 2004

 Note:   Each attached Airworthiness Directive is being re-made in exactly the

 same form as appears in the latest published edition of the Directive.

 


 Schedule 1 Revocation and Remaking of

 Airworthiness Directives

 Airtractor AT-300, 400 and 500 Series Aeroplanes

 AD Name AD Number

 Wing Main Spar - Aluminium Spar Caps and Centre Section Splice Blocks -  AD/AT/1 Amdt 1

 Pilot Safety Harness - CANCELLED AD/AT/2

 Landing Gear AD/AT/3 Amdt 5

 Rudder Hinges - Inspection AD/AT/4

 Engine Mount Ring on Vibro-Damp Mount Assembly - Inspection AD/AT/5

 Fuselage Fittings - Vertical Fin Front Spar Attachments - Inspection and  AD/AT/6 Amdt 1

 Horizontal Stabiliser Eyebolts AD/AT/7

 Aileron Control - Push-Pull Rods AD/AT/8 Amdt 1

 Control Column Yoke Bolt AD/AT/9 Amdt 2

 Aircraft Wiring AD/AT/10

 Wing Main Spar - Steel Spar Caps and Centre Section Splice Blocks -  AD/AT/11

 Hopper Dump Handle - CANCELLED AD/AT/12

 Wing Spar Cap Corrosion AD/AT/13

 Never Exceed Airspeed Limit AD/AT/14

 Wing Attachment Tube Bushings AD/AT/15 Amdt 1

 Wing Attachment Angles - CANCELLED AD/AT/16

 Vertical Fin Front and Rear Spars AD/AT/17 Amdt 3

 Parking Brake Valve AD/AT/18

 Flap System Overrun Prevention AD/AT/19 Amdt 1

 Wing Lower Spar Cap Safe Life AD/AT/20 Amdt 3

 Wing Lower Spar Cap Safe Life - 2 AD/AT/21 Amdt 1

 Wing Centreline Splice Joint AD/AT/22 Amdt 1

 Aft Fuselage Structure Upper Longeron and Upper Diagonal Tube AD/AT/23 Amdt 1

 Overturn Skid Plate AD/AT/24

 Vertical Fin Front Spar Fitting AD/AT/25

 

Overview

The Airworthiness Directives 2004 were enacted by David Alan Villiers, the delegate of the Civil Aviation Safety Authority, acting under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998. This legislative instrument aims to revoke and remake specific Airworthiness Directives for certain aircraft models to ensure compliance with current safety standards. The enactment of these directives is crucial to address any identified safety issues and to maintain the airworthiness of the specified aircraft, thereby ensuring the safety of passengers and crew. Each directive is remade in the same form as it appears in the latest published edition, reflecting updated safety requirements and technological advancements.

Scope and Application

The Airworthiness Directives 2004 legislative instrument, issued under the authority of the Civil Aviation Safety Regulations 1998, specifically pertains to the safety standards and operational requirements for Airtractor AT-300, 400, and 500 series aeroplanes. This legislation applies to all aircraft of these series, thereby encompassing manufacturers, operators, and maintenance service providers associated with these models. The instrument has a national reach as it is promulgated under the Commonwealth of Australia’s regulatory framework for civil aviation safety. It mandates compliance with detailed safety directives aimed at ensuring the airworthiness of the specified aircraft, covering aspects such as structural integrity, control mechanisms, and operational safety procedures. The instrument revokes and re-makes various Airworthiness Directives, maintaining their regulatory force and ensuring they are current with the latest safety standards. Certain directives, such as the pilot safety harness and hopper dump handle, are cancelled, reflecting changes in operational practices or safety considerations. The effectiveness of this legislation extends to all Australian airspace and operations conducted by Australian-registered aircraft, ensuring uniform safety standards are upheld across the country.

Key Provisions

The main operative sections of this legislative instrument are those that address the revocation and remaking of the Airworthiness Directives listed in Schedule 1. Section (a) revokes the Airworthiness Directives specified, effectively removing them from the regulatory framework, while Section (b) mandates the re-establishment of each directive as a separate instrument, ensuring that they are legally recognised and enforceable once again. The re-made directives are to be identical to the versions that appear in the latest published edition, maintaining consistency and ensuring that the directives remain current and applicable. The obligations imposed by this Act primarily concern the Civil Aviation Safety Authority (CASA) and the entities governed by these directives. CASA is responsible for ensuring that all airworthy aircraft comply with the relevant regulations and directives. The entities governed by these directives must adhere to the specified requirements for maintaining the airworthiness of their aircraft. This includes conducting necessary inspections, repairs, and modifications as outlined in the directives. Compliance is essential to ensure the safety of all passengers and crew on board the aircraft, as well as the general public on the ground. Failure to comply with the provisions of these Airworthiness Directives can lead to various consequences. Civilly, non-compliance may result in the grounding of an aircraft, preventing it from being operated until the necessary actions are taken to address the issues. Criminally, there can be severe penalties imposed. These may include substantial fines, imprisonment, or both, depending on the severity and frequency of the non-compliance. The maximum penalties for such offences are detailed within the Civil Aviation Safety Regulations 1998, which provide the framework for enforcing these directives. The aim is to deter non-compliance and ensure that all parties take the necessary steps to maintain the airworthiness 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.