| Civil Aviation Safety Authority

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Subsidiary Arrangement (SA) for the transparency of safety oversight of the delivery of Defence Air Traffic Services to civil aviation operations

Updated: 19 August 2021

Subsidiary Arrangement (SA) is made under the Framework Arrangement and reflects the Government response to ASRR…

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Subsidiary Arrangement (SA) for the transparency of safety oversight of the delivery of Defence Air Traffic Services to civil aviation operations (PDF, 2 MB)

AC 21-33 - Delivery of aircraft to Australia

Updated: 14 October 2022

Advisory Circular AC 21-33 provides information and guidance to persons seeking to arrange the delivery of an aircraft…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

1.1

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AC 21-33 Delivery of aircraft to Australia (PDF, 270.16 KB)

AC 21-34 - Aircraft flight manuals

Updated: 18 October 2022

Advisory Circular AC 21-34 provides information on Aircraft Flight Manuals (AFM), including approval of AFMs, changes…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

1.1

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AC 21-34 Aircraft flight manuals (PDF, 845.63 KB)

AC 21-35 - Calibration of inspection and test equipment

Updated: 1 August 2015

Advisory Circular AC 21-35 provides one method of providing control and calibration requirements for tools and test…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

1.1

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AC 21-35 Calibration of inspection and test equipment (PDF, 120.27 KB)

AC 21-36 - Global navigation satellite system equipment: airworthiness guidelines

Updated: 28 November 2022

Advisory Circular AC 21-36 provide guidance information on design, development and subsequent airworthiness approval of…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

2.3

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AC 21-36 Global navigation satellite system equipment: airworthiness guidelines (PDF, 1.1 MB)

AC 21-38 - Aircraft electrical load analysis and power source capacity

Updated: 9 December 2022

Advisory Circular AC 21-38 provides guidance for the preparation or alteration of an electrical load analysis (ELA). It…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

2.1

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AC 21-38 Aircraft electrical load analysis and power source capacity (PDF, 2.38 MB)

AC 21-39 - Design and fitting of gaseous oxygen systems

Updated: 2 December 2022

Advisory circular AC 21-39 provides information and guidance to ensure that the fitting, or modification an aircraft’s…

Advisory Circular Airworthiness Part 21 of CASR Certification / Airworthiness Guidance materials Version

1.1

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AC 21-39 Design and fitting of gaseous oxygen systems (PDF, 418.48 KB)

AC 21-40 - Measurement of airspeed in light aircraft – Certification requirements

Updated: 9 November 2022

Advisory Circular AC 21-40 provides guidance on methods for the development, calibration, control and operation of…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version

1.1

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AC 21-40 Measurement of airspeed in light aircraft – Certification requirements (PDF, 661.63 KB)

AC 21-41 - Light Sport Aircraft certificate of airworthiness

Updated: 14 November 2022

Advisory Circular AC 21-41 explains the requirements for the issue of a Certificate of Airworthiness for Light Sport…

Advisory Circular Airworthiness Part 21 of CASR Part 21 of CASR Guidance materials Version

1.1

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AC 21-41 Light sport aircraft certificate of airworthiness (PDF, 343.29 KB)

AC 21-42 - Light Sport Aircraft manufacturers' requirements

Updated: 1 May 2014

Advisory Circular AC 21-42 explains the certification requirements for an LSA manufacturer.

Advisory Circular Airworthiness Part 21 of CASR Part 21 of CASR Guidance materials Version

2.0

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AC 21-42 Light sport aircraft manufacturers' requirements (PDF, 359.43 KB)

Search results for rules and regulations

79 total results

Part 139 of CASR Aerodromes

Updated: 28 October 2022

Part 139 of CASR sets out the requirements and standards for aerodromes with published instrument flight procedures.

Rule CASR Current

Schedule 5 of CAR CASA maintenance schedule

Updated: 10 November 2022

Schedule 5 relates to Part 4A of CAR and sets out the requirements of the CASA maintenance schedule including daily inspections, periodic inspections and post inspection checks.

Rule CAR Current

Part 1 of CASR Preliminary

Part 1 of CASR provides a general explanation of the name, commencement date and structure of the CASR.

Rule CASR Current

Search results for publications

257 total results

Forward regulatory program

Updated:

29 July 2025

Read our forward regulatory program to see a timeline of regulatory change activities we are considering.

Publication

General Aviation Workplan

Updated:

29 July 2025

The General Aviation Workplan (GA Workplan) clearly sets out how and when CASA will optimise the regulatory framework for the general aviation sector.

Publication

Stay OnTrack – Flying the Darwin Region

Updated:

16 July 2025

B5 guide is an aid for VFR pilots to use when flying into, out of and around the Darwin region. It is designed to help you in planning and conducting your flight.

Publication

Search results for CASA Forms

389 total results

FOR Transition – Training and Checking System

Updated:

31 July 2024

Use this form to submit, and apply for an approval of, the Training and Checking System section of an exposition or operations manual as part of the transition to Parts 119, 121, 133, 135, and 138 of the CASR.

CASA Forms

PDF download

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FOR Transition - Training and Checking System application form (PDF, 262.66 KB)

CASAF-62 - Training and checking systems and rotorcraft performance operations documents

Updated:

4 August 2022

Use this form to report technical issues or seek clarification about your submission documents in relation to the training and checking systems and rotorcraft performance operations deferred provisions.

CASA Forms

Webform