Amendment of Manual of Standards Part 66 Instrument 2011

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

Legislation au F2011L00910 Not in force Legislative Instrument

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Explanatory Statement

Civil Aviation Safety Regulations 1998

Amendment of Manual of Standards Part 66 Instrument 2011

 

Purpose

Manual of Standards (MOS) Part 66 is intended to be equivalent to the European Aviation Safety Agency (EASA) Part 66 and provides for adoption of the EASA licence ratings for Australia.

 

Background

As a matter of safety policy, CASA has adopted the regulatory approach to maintenance promulgated by EASA. The specifications set out in MOS Part 66 have been developed to be closely aligned with EASA Part 66.

 

Legislation  the Act

Under subsection 98 (1) of the Civil Aviation Act 1988 (the Act), the Governor-General may make regulations for the Act and in the interests of the safety of air navigation.

 

Legislation — CASR Part 66

These regulations are contained in the Civil Aviation Safety Regulations 1998 (CASR 1998). In particular, Part 66 of CASR 1998 (CASR Part 66), Continuing airworthiness – aircraft engineer licences and ratings, which commences on 27 June 2011, will deal with licences and ratings for the performance of maintenance certifications and issuing certificates of release to service for aircraft in relation to maintenance carried out on aircraft.

 

Under subsection 98 (5A) of the Act, the regulations may empower CASA to issue instruments in relation to the maintenance or airworthiness of aircraft.

 

Under regulation 66.015 of CASR 1998, CASA is empowered to issue a MOS for CASR Part 66, setting out matters affecting the maintenance of aircraft. Under subregulation 66.015 (2) of CASR 1998, the MOS may, in particular, specify the following matters:

(a) that a specified foreign country is an excluded State;

(b) that a specified foreign country is a recognised State;

(c) the privileges that a licensed aircraft maintenance engineer may exercise;

(d) the privileges that a licensed aircraft maintenance engineer whose licence is endorsed with a rating may exercise;

(e) that a specified aircraft type is a type-rated aircraft type for an aircraft engineer licence;

(f) the training and experience requirements for the grant of an aircraft engineer licence;

(g) the required subject modules for an aircraft engineer licence;

(h) a list of levels of knowledge for the required subject modules;

(i) the required level of knowledge for each subject module, or each part of a subject module;

(j) the required units of competency for an aircraft engineer licence;

(k) the basic knowledge examination standard for category training;

(l) that a specified aircraft system is designated as 1 of the following:

 (i) avionic;

 (ii) electrical;

 (iii) mechanical;

 (iv) powerplant;

 (v) structural;

(m) that a specified condition or limitation applies to:

 (i) the performance of maintenance certification by a licensed aircraft maintenance engineer in relation to maintenance carried out on a particular aircraft system; or

 (ii) the issue of a certificate of release to service by a licensed aircraft maintenance engineer for an aircraft in relation to maintenance carried out on a particular aircraft system;

(n) for aircraft type training:

 (i) the required theoretical elements for an aircraft engineer licence; and

 (ii) the required training level for each theoretical element; and

 (iii) the requirements for practical elements; and

 (iv) the standards for assessments for theoretical elements; and

 (v) the standards for assessments for practical elements;

(o) that a specified aircraft type, aircraft system or subset of an aircraft system is 1 for which a Part 145 organisation (an AMO) may provide training and assessment;

(p) that a specified aircraft type is 1 for which an AMO may arrange for the manufacturer of the aircraft or the aircraft engine to provide training and assessment; and

(q) the requalification requirements for an aircraft engineer licence.

 

The MOS makes provision for all the above and includes the use of EASA categories of aircraft maintenance authorities, namely, categories A, B1, B2 and C; and related aircraft type ratings, awarded on the basis of compliance with detailed knowledge and competency training and assessment.

 

Legislative Instruments Act

Under regulation 66.015 of CASR 1998, the MOS was made for subsection 98 (5A) of the Act. In particular, it was issued under paragraph 98 (5A) (a). Under subsection 98 (5AA) of the Act, the MOS is, therefore, a legislative instrument but the effect of Part 6 of the Legislative Instruments Act 2003 (LIA) (sunsetting of legislative instruments) is excluded.

 

Consultation

Consultation under section 17 of LIA has not been undertaken because this instrument corrects a typographical error in the previous instrument which was made after extensive consultation.

 

The instrument has been made by the Director of Aviation Safety, on behalf of CASA, in accordance with sections 73 and 82 of the Act.

 

[Amendment of Manual of Standards Part 66 Instrument 2011]

Overview

The Civil Aviation Safety Regulations 1998 (CASR 1998) were amended in 2011 to address discrepancies in the Manual of Standards (MOS) Part 66, which outlines the regulatory framework for aircraft engineer licences and ratings in Australia. The Civil Aviation Safety Authority (CASA) adopted the European Aviation Safety Agency (EASA) Part 66 as the basis for MOS Part 66 to align Australia's safety standards with international best practices. This legislative instrument, made under subsection 98(1) of the Civil Aviation Act 1988, ensures that the MOS Part 66 is closely aligned with EASA Part 66, thus promoting safety in aircraft maintenance. The amendment was made by the Director of Aviation Safety on behalf of CASA, pursuant to sections 73 and 82 of the Act, and corrects a typographical error in the previous instrument, thus avoiding the need for further consultation under section 17 of the Legislative Instruments Act 2003.

Scope and Application

The Civil Aviation Safety Regulations 1998 (CASR 1998) are a comprehensive set of regulations under the Civil Aviation Act 1988, governing various aspects of civil aviation safety in Australia. Specifically, Part 66 of CASR 1998 pertains to the licensing and ratings of aircraft engineers, aligning closely with the European Aviation Safety Agency (EASA) Part 66 standards. This part establishes the framework for the certification, training, and experience requirements for aircraft engineers, ensuring that they meet the necessary competencies for performing maintenance and issuing certificates of release to service. The Manual of Standards (MOS) Part 66, which is an instrument of CASR 1998, specifies detailed matters such as the training and experience prerequisites for obtaining an aircraft engineer licence, the subject modules and knowledge levels required, and the conditions or limitations applicable to maintenance certifications and service release certificates. This legislation applies to all entities and individuals involved in aircraft maintenance within Australia, ensuring a standardised approach to safety and maintenance practices. It extends its jurisdictional reach across the Commonwealth, thereby applying uniformly throughout Australia. The MOS Part 66 is designed to be equivalent to EASA's regulatory standards, facilitating international alignment and cooperation in aviation safety.

Key Provisions

The main operative sections of the Civil Aviation Safety Regulations 1998 (CASR 1998) Amendment of Manual of Standards Part 66 Instrument 2011 are concerned with the detailed specifications set out in the Manual of Standards (MOS) Part 66. These specifications aim to align the Australian regulatory framework for aircraft engineer licences and ratings with the European Aviation Safety Agency (EASA) standards. Section 66.015 of CASR 1998 empowers the Civil Aviation Safety Authority (CASA) to issue the MOS, which includes provisions for the licensing and rating of aircraft maintenance engineers, training and experience requirements, subject modules, and competency assessments. This alignment with EASA standards is intended to ensure that the regulatory requirements for aircraft maintenance in Australia are consistent with international best practices. The obligations and requirements imposed by the Act and the MOS Part 66 are extensive and aim to ensure high safety standards in aircraft maintenance. Licensed aircraft maintenance engineers must meet specific training and experience criteria, including passing relevant examinations and assessments to obtain and maintain their licences and ratings. The MOS specifies the required subject modules, levels of knowledge, and competency standards that engineers must achieve. Furthermore, the MOS sets out the privileges that engineers can exercise, depending on their licence and rating endorsements, and includes provisions for type-rated aircraft and specific aircraft systems. Additionally, it outlines the requirements for training and assessment providers, including Approved Maintenance Organisations (AMO) and manufacturers, ensuring that training and assessment are conducted to the highest standards. Failure to comply with the provisions of the MOS Part 66 can result in various civil and criminal consequences. For instance, under the Civil Aviation Act 1988 (the Act), CASA can impose fines and other penalties for non-compliance with the regulations. The maximum penalties for offences related to aircraft maintenance can be substantial, reflecting the critical importance of safety in aviation. Specifically, the Act provides for fines and imprisonment for serious violations, highlighting the severe consequences of neglecting safety requirements. Additionally, CASA has the authority to suspend or revoke licences and ratings of aircraft maintenance engineers who fail to meet the required standards, which can have significant professional and personal repercussions for those involved. Overall, the Civil Aviation Safety Regulations 1998 Amendment of Manual of Standards Part 66 Instrument 2011 establishes a comprehensive regulatory framework that ensures aircraft maintenance engineers in Australia meet high safety standards. By aligning with EASA standards, the MOS Part 66 helps maintain consistency and reliability in aircraft maintenance practices. The obligations and requirements set out in the Act and the MOS are designed to protect the safety of air navigation, while the penalties for non-compliance serve as a deterrent against negligence.

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Area of Law
Civil Aviation Law
Instrument
Regulation
Concepts
Definitions & Interpretation
Regulatory Standards
Licensing & Registration

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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.