Part 42 of CASR Continuing airworthiness requirements for aircraft and aeronautical products

Rule status

Current

Part 42 of the Civil Aviation Safety Regulations (CASR) sets out the overarching requirements for continuing airworthiness management and maintenance of aircraft. 

The rule: 

  • establishes that the registered operator is responsible for continuing airworthiness of an aircraft 

  • sets out the continuing airworthiness management requirements for aircraft 

  • sets out the requirements for a continuing airworthiness management organisation (CAMO)

  • provides permissions for carrying out maintenance on aircraft and aeronautical products 

  • establishes the requirements for issuing a certificate of release to service (CRS) after maintenance for aircraft and aeronautical products 

  • sets out the requirements for the use of aeronautical products 

  • sets out the requirements for reporting major defects on aircraft and aeronautical products 

  • sets out the requirements for aircraft maintenance programs and reliability programs 

  • establishes the airworthiness review process and the requirements for the review. 

Who it affects

Part 42 affects: 

  • aircraft owners and registered operators 

  • air operators certificate holders 

  • continuing airworthiness management organisations

  • Part 145 approved maintenance organisations 

  • licensed aircraft maintenance engineers (LAME) 

  • persons authorised to approve aircraft maintenance programs 

  • persons authorised to carry out airworthiness reviews. 

Legislation

Legislative instruments

Legislative instruments include exemptions to particular regulatory requirements in aviation regulations or a Manual of Standards, but which apply to a broad range of persons. Instruments related to this part will display in this space or you can view our list of legislative instruments.

6 legislative instruments available

Part 42 Manual of Standards
Maintenance on Limited Category and Experimental Aircraft Exemption 2020
CASA EX55/20
CRS and SM CRS Document to Cover Specialist Maintenance by a Class D AMO – Instrument 2020
CASA EX60/20
Extension of Airworthiness Review Certificate (COVID-19) Exemption 2020
CASA EX65/20
Exemption from Regulation 42.150 of CASR (Time Allowed to Vary Approved Maintenance Program) Instrument 2020
CASA EX94/20
Operation of Aircraft with Defect Beyond Designated Rectification Interval Exemption 2021
CASA EX55/21
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Non-legislative instruments

Non-legislative instruments include exemptions to particular regulatory requirements in aviation regulations or a Manual of Standards, but which apply to a particular person. Non-legislative instruments related to this part will display in this space or your can view our list of non-legislative instruments.

1 non-legislative instruments available

Production Testing of Eight Airbus A321-251NX (Neo) Aircraft (Qantas)
CASA EX44/22
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Guidance material

Advisory material provides advice and guidance to explain particular regulatory requirements of a CASR Part. Guidance material relating to this part will appear in this space or you can view all our guidance material.

4 guidance material available

Part 42 continuing airworthiness requirements for aircraft and aeronautical products AMC-GM

Acceptable means of compliance and guidance material (AMC/GMs) for Part 42 continuing airworthiness requirements for aircraft and aeronautical products.

Maintenance of warbird, historic and replica aircraft

CAAP 104-01 provides information and guidance about the amended provisions of CAO 104.0 and Directions Instrument number Civil Aviation Safety Authority (CASA) 03/15.

Civil Aviation Advisory Publication CAAP 104-01

Reliability programs

Advisory Circular AC 42-03 provides guidance on the practical application of the regulations pertaining to reliability programs and provides examples of processes suitable for organisations operating under subpart 42.L of the CASR.

Advisory Circular AC 42-03

Sample exposition for a CASR Part 42 continuing airworthiness management organisation

AMC-GM Part 42 annex A: Guidance on typical structure and content of a continuing airworthiness management organisation exposition.

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Guidance material notes

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Related content

Date published:
Online version available at: https://www.casa.gov.au//search-centre/rules/part-42-casr-continuing-airworthiness-requirements-aircraft-and-aeronautical-products
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