Airworthiness Directives 2004 - Revocation and Remaking - Douglas DC4 Series Aeroplanes

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Legislation au F2006B07846 In force Legislative Instrument

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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

 Douglas DC4 Series Aeroplanes

 AD Name AD Number

 Vacuum System - Modification AD/DC4/1

 Undercarriage Door Stud - Replacement AD/DC4/2

 Main Fuel Line, Support Brackets in Wing - Replacement AD/DC4/3

 Goodyear 20DHBM Type Wheels - Flange Replacement AD/DC4/4

 Cap Bolts - Replacement AD/DC4/5

 Fuel Transfer Placard - Installation AD/DC4/6

 Tail Pipe Shroud Deflector - Installation AD/DC4/7

 Oxygen Regulator - Relocation AD/DC4/8

 Hydraulic Hand Pump - Modification AD/DC4/9

 Hydraulic Accumulator - Replacement AD/DC4/10

 Vertical Stabiliser Attachment Fittings, AN Type Bolts - Replacement AD/DC4/11

 Main Undercarriage Door - Rework AD/DC4/12

 Cabin Ventilator Exhaust - Rework AD/DC4/13

 Front Anti-Drag Mount - Rework AD/DC4/14

 Anti-Drag Position Stud - Revision AD/DC4/15

 Tailplane Outer Hinge Bracket - Modification AD/DC4/16

 Nose Wheel Retracting Cylinder - Modification AD/DC4/17

 Gust Lock Safety Latch - Installation AD/DC4/18

 Control Surface Bonding - Revision AD/DC4/19

 Rudder Gust Lock Bolt Guard - Installation AD/DC4/20

 Control Surface Attachment - Modification AD/DC4/21

 Bus Bar Protector Plate - Installation AD/DC4/22

 Generator Field Lead - Modification AD/DC4/23

 Propeller De-Icing System - Modification AD/DC4/24

 Spar Web - Modification AD/DC4/25

 Feathering Pump Line - Replacement AD/DC4/26

 Magneto Wire Re-Routing AD/DC4/27

 Fire Protection Modifications AD/DC4/28

 Fire Detector Guard - Installation AD/DC4/29


 Electric Generator Fan - Removal AD/DC4/30

 Propeller Feathering System - Modification AD/DC4/31

 Master Ignition Switch - Modification AD/DC4/32

 Nose Wheel Brace Strut Collar - Inspection AD/DC4/33

 Electrical Distribution Bus AD/DC4/34 Amdt 1

 Floor Beam to Rear Spar Frame Attachment Angle - Inspection AD/DC4/35

 Nose Gear Yoke End Fitting - Inspection and Replacement AD/DC4/36

 Spar Web - Inspection AD/DC4/37

 Lower Main Plane Stringers Inspection AD/DC4/38

 Aircraft Flight Manual, Flight into Icing Conditions AD/DC4/39 Amdt 1

 

Overview

The Airworthiness Directives 2004, enacted by David Alan Villiers as a delegate of the Civil Aviation Safety Authority, aimed to address issues related to the airworthiness of the Douglas DC4 Series aeroplanes. The legislation was created under the authority of subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998. The key policy objective was to revoke the previously issued airworthiness directives and re-make them as separate instruments to ensure that all modifications, replacements, and other necessary actions were up to date and legally binding. The directives cover a wide range of safety-critical components and systems, ensuring that all aeroplanes remain airworthy and comply with the latest safety standards. The directives listed in the Schedule were re-made in exactly the same form as they appeared in the latest published edition, maintaining consistency and clarity in the regulations.

Scope and Application

The Airworthiness Directives 2004, issued under the authority of the Civil Aviation Safety Authority (CASA) and specifically executed by David Alan Villiers as the delegate, pertains to a comprehensive set of directives aimed at ensuring the airworthiness of the Douglas DC4 Series aeroplanes. These directives apply to all persons and entities involved in the operation, maintenance, and modification of these aircraft, ensuring compliance with specified safety standards. The geographic scope of this legislation is nationwide, covering all aircraft registered in Australia, thereby impacting the aviation industry across state and territory borders. The directives themselves provide detailed instructions on modifications, replacements, and inspections of various aircraft components to maintain airworthiness. The legislation also notes that each directive is being re-made in exactly the same form as appears in the latest published edition, ensuring that there are no discrepancies or outdated information. Notably, the Act does not specify any exclusions, exemptions, or thresholds, implying that all applicable aircraft and operations must adhere to the outlined directives. Subordinate instruments may further extend or clarify the application of these directives, but the primary text focuses on the revocation of previous directives and the re-issuance of updated ones.

Key Provisions

The Airworthiness Directives 2004 (F2006B07846) primarily focuses on the revocation and remaking of certain Airworthiness Directives related to the Douglas DC4 Series Aeroplanes. These directives, which are listed in Schedule 1, address various technical aspects of aircraft maintenance and modifications. Section 1(a) revokes the existing Airworthiness Directives, while section 1(b) re-makes them as separate instruments in the exact form as they appear in the latest published edition. The primary aim is to ensure that the directives are up-to-date and in line with current safety standards. The obligations imposed by this legislation on the parties or entities it governs include adherence to the specific maintenance, modification, and inspection requirements outlined in the re-made Airworthiness Directives. For example, the Douglas DC4 Series Aeroplanes must comply with directives such as AD/DC4/1, which mandates modifications to the vacuum system, and AD/DC4/2, which requires the replacement of undercarriage door studs. Operators, maintenance providers, and other relevant parties must ensure that their aircraft meet these detailed requirements to maintain airworthiness. Failure to comply with these directives can lead to serious safety issues, potentially resulting in accidents or other incidents. Under the Airworthiness Directives 2004, there are significant consequences for any breach of the stipulated requirements. Section 39.001(1) of the Civil Aviation Safety Regulations 1998 provides the legal framework for enforcement. Any individual or entity found in breach of the Airworthiness Directives may face severe penalties. For example, the maximum penalty for contravening these directives can include substantial fines and, in serious cases, imprisonment. The exact penalty depends on the severity of the breach and the impact on aviation safety. The overarching goal of these penalties is to enforce compliance and ensure that all aircraft meet the necessary safety standards, thereby protecting passengers, crew, and the general public.

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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.