AD/MCH/5 - Low Airspeed Aural Warning Device - Installation

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B11272 Not in force Legislative Instrument

Legislation content

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Aero Resources J2 Series Gyroplanes

 

AD/MCH/5 Low Airspeed Aural Warning Device - Installation 10/74

Applicability: All model J2.

 

Requirement: Install a low airspeed warning device to give aural warning at 38 to 43 knots inclusive, while the aircraft is airborne, in accordance with a scheme approved by the Secretary.

 

The system shall be equipped with a fuse or circuit breaker which shall be installed within reach of the pilot.

 

Note: Modification to Hawker de Havilland Aircraft Pty. Ltd. drawings 26-D-3 issue 3 and 26-C-2 is an acceptable means of compliance.

 

Compliance: Before issue of a Certificate of Airworthiness.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, are designed to provide comprehensive regulations to ensure the safety of civil aviation in Australia. One specific legislative instrument within this framework, F2006B11272, addresses safety concerns related to the Aero Resources J2 Series Gyroplanes. This instrument introduces an Airworthiness Directive (AD/MCH/5) that mandates the installation of a low airspeed aural warning device in all model J2 gyroplanes. The primary objective of this directive is to enhance flight safety by ensuring that pilots receive an audible alert when the aircraft’s airspeed falls within a critical range of 38 to 43 knots while airborne, thereby reducing the risk of accidents due to low airspeed. Compliance with this directive is mandatory, requiring the installation of the warning device before a Certificate of Airworthiness can be issued.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 105, under the Civil Aviation Safety Authority’s Schedule of Airworthiness Directives, applies to all gyroplanes of the Aero Resources J2 Series. The directive mandates the installation of a low airspeed aural warning device, which must provide an audible alert when the aircraft’s airspeed drops to between 38 and 43 knots while the aircraft is airborne. This requirement is to ensure safety and must be carried out in accordance with a scheme approved by the Secretary. Additionally, the system must be equipped with a fuse or circuit breaker within the pilot’s reach. Compliance with this directive is mandatory before the issuance of a Certificate of Airworthiness. It is also noted that modifications to Hawker de Havilland Aircraft Pty. Ltd. drawings 26-D-3 issue 3 and 26-C-2 constitute an acceptable means of compliance. The regulation applies to the Commonwealth of Australia and extends its reach nationally, encompassing all relevant aircraft within the specified series. There are no stated exclusions or exemptions, and the directive is comprehensive in its application across the defined scope.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, mandate that all model J2 Aero Resources Gyroplanes must be equipped with a low airspeed aural warning device. This device is required to signal an alert when the aircraft's speed falls within the range of 38 to 43 knots while the aircraft is airborne (AD/MCH/5). The warning must adhere to a scheme approved by the Secretary. Furthermore, the system should incorporate a fuse or circuit breaker that must be easily accessible to the pilot. Modifications in accordance with Hawker de Havilland Aircraft Pty. Ltd.'s drawings 26-D-3 issue 3 and 26-C-2 are considered acceptable for compliance purposes. Entities and individuals responsible for the maintenance and operation of these aircraft must ensure that the low airspeed aural warning device is installed and operational before a Certificate of Airworthiness is issued. This requirement applies universally to all model J2 Gyroplanes, and compliance must be verified through an approved scheme. The installation must also include a fuse or circuit breaker that is within the pilot's reach to ensure that any potential issues can be promptly addressed. Failure to comply with these requirements can result in serious consequences. The installation of the low airspeed aural warning device is not just a recommendation but a mandatory requirement. Non-compliance may lead to the refusal to issue or revoke a Certificate of Airworthiness, thereby grounding the aircraft. This can have significant operational and legal repercussions for the owners and operators of these Gyroplanes, potentially leading to financial losses and legal penalties. The Civil Aviation Regulations 1998 impose strict obligations on all parties involved in the maintenance and operation of model J2 Gyroplanes. The primary obligation is the installation of a compliant low airspeed aural warning device, which is essential for the safety of the aircraft and its occupants. Operators must ensure that all modifications and installations are carried out in accordance with the approved scheme and Hawker de Havilland Aircraft Pty. Ltd.'s drawings. Any deviation from these specifications could result in non-compliance and the associated penalties. In the event of non-compliance with the provisions outlined in the Civil Aviation Regulations 1998, particularly the installation of the low airspeed aural warning device, there are significant civil and criminal consequences. The most immediate consequence is the potential refusal to issue a Certificate of Airworthiness or the revocation of an existing certificate. This can render the aircraft inoperable, leading to financial losses for the operator and potential safety risks. Additionally, repeated or willful non-compliance may result in legal action, including fines and other penalties as prescribed by the relevant authorities. The exact penalties can vary but are intended to enforce strict adherence to safety regulations.

Legal classification tags

Area of Law
Civil Aviation Law
Instrument
Legislative Instrument
Concepts
Definitions & Interpretation
Compliance Obligations
Enforcement Powers

Interactions

Authorises

All Versions

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.