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
Pratt and Whitney Turbine Engines - PW4000 Series
AD Name AD Number
Thrust Reverser Aft Cascade Support AD/PW4000/1
2nd Stage HPT Rotating Airseal AD/PW4000/2
HPC Surge Margin Improvement - CANCELLED AD/PW4000/3
Low Pressure Turbine Stage 4 Disk AD/PW4000/4
High Pressure Compressor Stability Testing - CANCELLED AD/PW4000/5
Inspection of Critical Life-limited Rotating Engine Components AD/PW4000/6
Low Pressure Turbine Fourth Stage Airseal AD/PW4000/7 Amdt 1
High Surge Rate Engines - CANCELLED AD/PW4000/8
High Pressure Compressor Surge - CANCELLED AD/PW4000/9 Amdt 1
Engine Stability Improvements AD/PW4000/10
LCF Items - Mandatory Inspections AD/PW4000/11
HPC Front Drum Rotor - Inspection AD/PW4000/12
Overview
The Airworthiness Directives 2004, enacted on 20 December 2004, were introduced to address issues and ensure compliance with airworthiness standards in relation to Pratt and Whitney Turbine Engines, specifically the PW4000 series. This legislative instrument was created by David Alan Villiers, a delegate of the Civil Aviation Safety Authority, acting under the authority of subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998. The objective of these directives is to revoke certain outdated airworthiness directives and re-make them to ensure that the latest safety standards and requirements are being adhered to. The directives are being re-made in exactly the same form as they appear in the most recent published edition, ensuring that all stakeholders have access to the most current and applicable information.
Scope and Application
The Airworthiness Directives 2004, as enacted by David Alan Villiers, a delegate of the Civil Aviation Safety Authority, operates within the framework of the Civil Aviation Safety Regulations 1998. This legislative instrument specifically targets the airworthiness of Pratt and Whitney Turbine Engines - PW4000 Series, which are used in various aircraft. The directives apply to all entities and individuals involved in the maintenance, operation, and oversight of these engines, ensuring compliance with safety standards and operational protocols. The geographic and jurisdictional reach of these directives is national, as they pertain to civil aviation across Australia, aligning with the broader responsibilities of the Civil Aviation Safety Authority. Certain directives are revoked and remade to ensure that the most current and effective safety measures are in place. Subordinate instruments may further extend or restrict the application of these directives, ensuring that they remain relevant and enforceable within the evolving landscape of aviation safety regulations.
Key Provisions
The Airworthiness Directives 2004, issued under the authority of David Alan Villiers as a delegate of the Civil Aviation Safety Authority (CASA), primarily involve the revocation and remaking of specific Airworthiness Directives as detailed in Schedule 1 (s1(a) and (b)). The directives pertain to Pratt and Whitney Turbine Engines of the PW4000 series, focusing on various components such as the thrust reverser aft cascade support, the second stage high-pressure turbine rotating airseal, and the low-pressure turbine stage 4 disk, among others. Each directive has been re-made in the same form as it appears in the latest published edition, ensuring consistency and clarity for those subject to these regulations.
Under the Act, the primary obligation imposed on parties or entities governed by these directives is the requirement to comply with the detailed specifications and inspection protocols outlined in the re-made Airworthiness Directives (s1). This includes conducting mandatory inspections and tests on specific engine components to ensure they meet safety standards. Operators and maintainers of aircraft equipped with PW4000 series engines must adhere to these directives to maintain the airworthiness of their aircraft, which is crucial for the safety of all passengers and crew.
Failure to comply with the Airworthiness Directives can result in significant consequences. Although the specific penalties are not detailed within the text of the legislation itself, under the Civil Aviation Safety Regulations 1998, non-compliance can lead to civil penalties, including fines. In severe cases, where non-compliance results in an aircraft being deemed unairworthy, CASA has the authority to ground the aircraft, which can have serious ramifications for the operator, including potential criminal charges and imprisonment for responsible individuals if the non-compliance leads to accidents or endangers public safety.