AD/DC4/29 - Fire Detector Guard - Installation

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Legislation au F2006B08835 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Douglas DC4 Series Aeroplanes

 

AD/DC4/29 Fire Detector Guard - Installation NK

Applicability: All models.

 

Requirement:  Install a guard over each Wilcolator fire detector in the baggage compartment which will adequately protect the unit from vertical and horizontal damage, but which will not impair the effectiveness of its heat detection.

 

Note: Figure 1 of this Order provides details of an approved type of guard.

 

or ANO 105.1.16.2.5.28.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, were established to regulate and ensure the safety of civil aviation within Australia. One specific directive, AD/DC4/29, addresses the installation of a fire detector guard for Douglas DC4 Series aeroplanes, aiming to mitigate the risk of damage to fire detectors in the baggage compartment without compromising their functionality. This legislative instrument is issued under the authority granted by the Civil Aviation Act 1988, which empowers the Civil Aviation Safety Authority to issue safety directives. The policy objective behind AD/DC4/29 is to enhance aircraft safety by protecting critical fire detection equipment from potential damage, thereby reducing the likelihood of fire-related incidents and ensuring compliance with established safety standards.

Scope and Application

The Civil Aviation Regulations 1998, specifically under Part 39 - 105, mandate the installation of a fire detector guard for all Douglas DC4 Series aeroplanes, as outlined in Airworthiness Directive AD/DC4/29. This regulation applies to all models of the Douglas DC4 series, ensuring that a guard is installed over each Wilcolator fire detector in the baggage compartment. The guard must be designed to protect the fire detector from both vertical and horizontal damage without compromising its ability to detect heat effectively. This directive is part of the Commonwealth of Australia's overarching civil aviation safety framework, extending its jurisdiction nationwide to ensure consistent safety standards across all aviation operations within Australia. The regulation does not explicitly state any exclusions or exemptions, but its application can be further detailed or modified through subordinate instruments.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes Airworthiness Directives (AD) that govern the maintenance and operation of aircraft in Australia. One such directive, AD/DC4/29, pertains to Douglas DC4 Series aeroplanes and requires the installation of a guard over each Wilcolator fire detector in the baggage compartment (section 105.1.16.2.5.28). This guard must protect the fire detector from vertical and horizontal damage without impairing its heat detection capabilities. Figure 1 of the Order provides specific details on an approved type of guard for this purpose. Entities governed by these regulations, including aircraft operators, maintenance providers, and owners, must ensure compliance with AD/DC4/29. This means installing the specified guard over each Wilcolator fire detector in the baggage compartment of Douglas DC4 Series aeroplanes to meet the safety standards outlined in the directive. Compliance involves not only the physical installation of the guard but also ensuring that it is done in accordance with the specifications provided in Figure 1 of the Order. Failure to comply with the requirements set forth in AD/DC4/29 may result in civil and criminal consequences. Under the Civil Aviation Act 1988, non-compliance can lead to enforcement actions by the Civil Aviation Safety Authority (CASA). Potential penalties include fines and other civil remedies as prescribed by the legislation. In cases where non-compliance is deemed to have endangered safety, criminal charges may be pursued, leading to more severe penalties, including imprisonment. The exact penalties depend on the severity of the breach and the discretion of the court.

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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.