Airworthiness Directives 2004 - Revocation and Remaking - Propellers - Variable Pitch - Hartzell

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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

 Propellers - Variable Pitch - Hartzell

 AD Name AD Number

 CANCELLED AD/PHZL/1

 CANCELLED AD/PHZL/2

 Blade Retaining Split Ring - Replacement - CANCELLED AD/PHZL/3

 Blade Retaining Split Ring - Replacement and Life Limitation - CANCELLED AD/PHZL/4

 Piston Jack Assembly P/N B-804 - Replacement - CANCELLED AD/PHZL/5

 Link Screw P/N AN501-A10-6 Replacement - CANCELLED AD/PHZL/6

 Guide Collar - Replacement and Inspection - CANCELLED AD/PHZL/7

 Hub Spider - Replacement AD/PHZL/8

 CANCELLED AD/PHZL/9 Amdt 1

 CANCELLED AD/PHZL/10

 Propeller Mounting Bolt - Inspection and Modification - CANCELLED AD/PHZL/11

 CANCELLED AD/PHZL/12

 CANCELLED AD/PHZL/13

 Blade and Hub - Shot Peening AD/PHZL/14 Amdt 4

 Relief Valve Springs - Replacement - CANCELLED AD/PHZL/15

 Pitch Change Block - Inspection and Modification - CANCELLED AD/PHZL/16

 Bearing Inspection - CANCELLED AD/PHZL/17 Amdt 1

 Propeller Blade Clamp - Inspection - CANCELLED AD/PHZL/18

 Carbon Block Assembly - Modification - CANCELLED AD/PHZL/19

 Spinner Bulkhead - Modification - CANCELLED AD/PHZL/20

 Propeller Blade Shank - Inspection - CANCELLED AD/PHZL/21 Amdt 1

 Propeller Blade Bearing - Inspection - CANCELLED AD/PHZL/22 Amdt 2

 Blade Shank - Inspection and Modification AD/PHZL/23 Amdt 5

 Propeller Attachment - Modification and Inspection AD/PHZL/24

 Blade Shank - Inspection - CANCELLED AD/PHZL/25 Amdt 2

 Blade Shank - Inspection - CANCELLED AD/PHZL/26

 SUPERSEDED AD/PHZL/27

 Propeller Blade - Replacement - CANCELLED AD/PHZL/28 Amdt 1

 SUPERSEDED AD/PHZL/29 Amdt 1


 Pitch Change Knob Bushing - Replacement - CANCELLED AD/PHZL/30

 SUPERSEDED AD/PHZL/31 Amdt 1

 Propeller Modification - Installation of Spring Back-up Kit AD/PHZL/32

 Pitch Change Forks - Shot Peening - CANCELLED AD/PHZL/33

 SUPERSEDED AD/PHZL/34

 Shank Blade - Replacement - CANCELLED AD/PHZL/35

 Propeller Blade - Inspection and Modification of Balance Cavity - CANCELLED AD/PHZL/36 Amdt 2

 Hard Alloy Blades - Inspection AD/PHZL/37

 Y Shank Blade - Inspection and Replacement - CANCELLED AD/PHZL/38

 Propeller Damper - Replacement AD/PHZL/39 Amdt 1

 Propeller Blade - Replacement - CANCELLED AD/PHZL/40

 Propeller Blade Shank Bearing Radius - Inspection - CANCELLED AD/PHZL/41

 Propeller Feather Assist Spring Kit AD/PHZL/42 Amdt 5

 Single Shoulder Aluminium Blades - CANCELLED AD/PHZL/43 Amdt 10

 Propeller Attachment Bolts AD/PHZL/44 Amdt 8

 Propeller Hub Pilot Tubes - Replacement - CANCELLED AD/PHZL/45

 Propeller De-Icer System Slip Ring - Inspection AD/PHZL/46 Amdt 2

 Propeller Blades TL10282 ( ) ( ) + 4 or LT10282 ( ) ( ) + 4 - Retirement -  AD/PHZL/47 Amdt 1

 Propeller Blade Pilot Tube Bore - CANCELLED AD/PHZL/48 Amdt 6

 T10282 Blades (Hard Alloy) - CANCELLED AD/PHZL/49 Amdt 3

 A-4025 Spring Retainer - Inspection AD/PHZL/50

 Propeller Attach Bolts - CANCELLED AD/PHZL/51

 Propeller Blade Separation - CANCELLED AD/PHZL/52 Amdt 2

 Blade Clamps AD/PHZL/53 Amdt 2

 Hard Alloy Propeller Blades AD/PHZL/54

 Pilot Tubes - CANCELLED AD/PHZL/55 Amdt 1

 Pitch Change Rod AD/PHZL/56

 Blade Tip Stalling AD/PHZL/57 Amdt 2

 Piston Nut B474 AD/PHZL/58

 Two Blade Y Shank Aluminium Hub - CANCELLED AD/PHZL/59 Amdt 4

 Three Bladed Y Shank Aluminium Hubs AD/PHZL/60 Amdt 4

 Mounting Studs - CANCELLED AD/PHZL/61

 Propeller Blade Pilot Tube Bore AD/PHZL/62 Amdt 4

 Propeller Blade Bore - CANCELLED AD/PHZL/63 Amdt 1

 Hub Pilot Tube Bore AD/PHZL/64 Amdt 2

 Hub Pilot Tube Bore Inspection AD/PHZL/65


 Blade Pitch Change Knob AD/PHZL/66

 Propeller Blade Cracking AD/PHZL/67

 Turbine Engine; Steel Hub Propellers AD/PHZL/68 Amdt 2

 Hartzell X and V Shank Propellers AD/PHZL/69 Amdt 2

 Hard Alloy Blades - Removal AD/PHZL/70

 Counterweight Clamp Bolts AD/PHZL/71

 Counterweight Clamp Bolt Hole AD/PHZL/72

 Discrepant Y Shank Propellers AD/PHZL/73

 Two Blade 'Y' Shank Aluminium Hub AD/PHZL/74 Amdt 1

 Propeller Hub Replacement AD/PHZL/75

 HC-C2YR-4CF Propeller Life Reduction AD/PHZL/76

 Australian Air Props AD/PHZL/77 Amdt 2

 Anti-ice boots AD/PHZL/78

 Propeller Vibration Placard AD/PHZL/79 Amdt 1

 Composite Blades Cracking AD/PHZL/80

 

Overview

The Airworthiness Directives 2004 is a legislative instrument that was enacted to address the need for updated and consolidated airworthiness directives in the aviation industry. The instrument was made by David Alan Villiers, a delegate of the Civil Aviation Safety Authority, under subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998. The primary objective of this instrument was to revoke certain airworthiness directives and remake them as separate instruments, ensuring that they remain consistent with the latest published editions. This was done to maintain the safety and airworthiness of aircraft by providing clear and updated guidance for aircraft operators and maintenance personnel. The Airworthiness Directives 2004 revoked several airworthiness directives related to Hartzell propellers and remade them as separate instruments. The revocation and remaking of these directives aimed to ensure that the latest safety information and requirements were being followed by the aviation industry. This was essential in maintaining the safety and airworthiness of aircraft, as well as ensuring that aircraft operators and maintenance personnel had access to the most up-to-date guidance. The instrument played a crucial role in supporting the overarching policy objective of the Civil Aviation Safety Authority, which is to protect the public and promote safe, efficient, and environmentally responsible aviation in Australia.

Scope and Application

The Airworthiness Directives 2004, issued under the Civil Aviation Safety Regulations 1998, pertain to the revocation and re-making of specific Airworthiness Directives concerning Hartzell propellers, as detailed in Schedule 1. These directives apply to various components of aircraft propellers, including blade retaining split rings, pitch change forks, and blade inspections and modifications. The application of these directives is national in scope, aligning with the overarching objectives of the Civil Aviation Safety Authority (CASA) to ensure the airworthiness of aircraft operating within Australia. This legislative instrument operates under the authority of David Alan Villiers, who is acting as a delegate of CASA, and it encompasses the detailed re-making of each Airworthiness Directive to maintain consistency with the latest published editions. Notably, this legislation does not explicitly outline exclusions, exemptions, or thresholds; however, its enforcement is subject to the broader regulatory framework established by CASA, which may include additional conditions or specifications through subordinate instruments.

Key Provisions

This legislative instrument, titled "Airworthiness Directives 2004," primarily consists of the revocation and remaking of specific Airworthiness Directives related to Hartzell propellers (sections 1 and 2). These directives, listed in Schedule 1, pertain to various aspects of propeller maintenance and safety, such as blade retaining split ring replacement, inspection of propeller mounting bolts, and modification of propeller dampers, among others. Each directive has been cancelled and re-made to ensure the most up-to-date safety standards are enforced. The obligations imposed by this Act are primarily on aircraft operators and maintenance personnel who must comply with the specified Airworthiness Directives. These obligations include conducting necessary inspections, replacements, and modifications to ensure the airworthiness of propellers as per the directives. Compliance is crucial to maintain safety standards and avoid any operational risks associated with non-compliant propellers. Failure to comply with the Airworthiness Directives can result in significant legal consequences. For instance, non-compliance may lead to aircraft being grounded, which can disrupt operations and result in financial losses. Additionally, if an aircraft is found to be non-compliant during an inspection, the operator may face enforcement actions, including fines and penalties. While the specific maximum penalties are not detailed in the legislative instrument, they can be substantial under aviation safety regulations, reflecting the critical nature of adhering to airworthiness standards.

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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.