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
Auxiliary Power Units
AD Name AD Number
Turbine Blade Containment Ring - Installation AD/APU/1
Inspection!! Placard!! Operational Limitations and/or Modification AD/APU/2
Incorporation of Back-Up Plate to Improve Turbine Wheel Containment AD/APU/3
Fuel Solenoid Shut Off Valve - Inspection - CANCELLED AD/APU/4
Cooling Fan Assembly AD/APU/5 Amdt 2
Augmentation Containment Ring - CANCELLED AD/APU/6 Amdt 1
High Pressure Turbine Disc AD/APU/7
Garrett APU Compressor Rotating Group AD/APU/8
PW901A APU Idler Gear and Cooling Fan Shaft AD/APU/9
GTCP 85 Series APU Axial Containment AD/APU/10
TSCP700 HPT Disc AD/APU/11
Compressor Wheel AD/APU/12
Augmentation Containment Ring AD/APU/13
TSCP700 First Stage LPC Disc AD/APU/14
GTCP 36 Series APU Load Compressor Containment AD/APU/15
T-62T APU Compressor Wheel Replacement AD/APU/16
Saphir 20 Model 095 Female Quill Shaft Cycles Since New AD/APU/17 Amdt 1
Overview
The Airworthiness Directives 2004, enacted in 2004, were introduced to ensure the safety and airworthiness of aircraft by updating and remaking existing directives under the authority of the Civil Aviation Safety Regulations 1998. This legislative instrument was issued by David Alan Villiers, as the delegate of the Civil Aviation Safety Authority, and involves the revocation and remaking of various airworthiness directives concerning auxiliary power units, primarily focusing on inspections, operational limitations, and modifications to improve safety. The policy objective behind these directives is to maintain and enhance the safety standards of aircraft operations, ensuring that any identified risks or issues are addressed through updated regulatory requirements. The instrument aims to provide clarity and consistency in the application of safety regulations by reissuing the directives in their latest form.
Scope and Application
The Airworthiness Directives 2004, issued under the authority of the Civil Aviation Safety Regulations 1998 by David Alan Villiers, the delegate of the Civil Aviation Safety Authority, pertains to the revocation and remaking of specific Airworthiness Directives relating to auxiliary power units. This legislative instrument applies to aircraft operators and maintenance entities within the Commonwealth of Australia, targeting the safety and airworthiness of auxiliary power units used in aircraft. The directives outline mandatory inspections, operational limitations, and modifications to ensure compliance with safety standards. These directives cover a range of specific components, including turbine blade containment rings, cooling fan assemblies, and various types of auxiliary power unit modifications. The application of these directives extends to all aircraft registered in Australia and operated by entities subject to the Civil Aviation Safety Regulations. Notably, the instrument includes the revocation of certain directives and the re-making of others, with each directive being reissued in its latest published form to ensure the most current safety protocols are followed. This legislative measure aims to maintain high safety standards within the aviation industry in Australia.
Key Provisions
The Airworthiness Directives 2004 legislative instrument primarily serves to revoke and remake specific Airworthiness Directives related to auxiliary power units (APU). Section 1 of the instrument outlines the revocation of several Airworthiness Directives as detailed in Schedule 1, while section 2 re-makes each of these directives as separate instruments in the form they appeared in the latest published edition. This ensures that the directives remain current and applicable to the aviation safety regulations.
The obligations and requirements imposed by the Airworthiness Directives 2004 are primarily focused on ensuring the safety and airworthiness of aircraft auxiliary power units. Each re-made directive specifies particular inspection, operational limitations, placards, and modifications that must be adhered to. For example, AD/APU/1 mandates an inspection, placard, and operational limitations or modifications to the turbine blade containment ring, while AD/APU/2 requires the incorporation of a back-up plate to improve turbine wheel containment. These directives require aircraft operators and maintenance personnel to comply with the specified requirements to ensure the safe operation of the aircraft.
In terms of consequences for non-compliance, the Airworthiness Directives 2004 do not explicitly outline specific penalties or consequences within the instrument itself. However, non-compliance with airworthiness directives can lead to significant civil and criminal liabilities under the Civil Aviation Safety Regulations 1998. Failure to adhere to these directives could result in the grounding of aircraft, enforcement actions by the Civil Aviation Safety Authority (CASA), and potential prosecution for breaches of aviation safety regulations. The maximum penalties for such breaches can include substantial fines and imprisonment, reflecting the critical importance of ensuring aircraft safety and compliance with airworthiness standards.