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CASR Part 91 Plain English guide for general operating and flight rules

26 June 2025

Our Plain English Guide makes it as easy as possible to understand the general operating and flight regulations for all pilots.

Publication Plain English guides

AC 139.H-05 - Aviation rescue fire fighting service generic response form

Updated: 4 November 2022

Advisory Circular AC 139H-05 provides guidance and information to aerodrome operators and ARFFS providers where…

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version

1.1

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AC 139H-05 Aviation rescue fire fighting service generic response form (PDF, 622.3 KB)

AC 171-04 - Software and its use in aeronautical telecommunication and radio navigation ser...

Updated: 21 November 2022

Advisory Circular AC 171-04 provides guidance on software system acquisition, development, implementation and support.…

Advisory Circular Aerodromes Part 171 of CASR Guidance materials Version

1.1

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AC 171-04 Software and its use in aeronautical telecommunication and radio navigation services (PDF, 293.33 KB)

AC 171-01 - Aeronautical telecommunication and radionavigation service providers

Updated: 6 September 2024

This advisory circular (AC) provides explanation of CASA requirements and where necessary, methods acceptable to CASA…

Advisory Circular Aerodromes Part 171 of CASR Guidance materials Version

2.2

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AC 171-01 Aeronautical telecommunication and radionavigation service providers (PDF, 1.03 MB)

AC 171-02 - Guidelines for the preparation of safety cases covering CASR Part 171 services

Updated: 18 November 2022

Advisory Circular AC 171-02 provides guidelines for aeronautical telecommunication and radionavigation services…

Advisory Circular Aerodromes Part 171 of CASR Guidance materials Version

1.1

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AC 171-02 Guidelines for the preparation of safety cases covering CASR Part 171 services (PDF, 443.46 KB)

AC 171-03 - Guidelines for the preparation of a safety management system

Updated: 16 November 2022

Advisory Circular AC 171-03 provides guidelines for aeronautical telecommunication and radionavigation services…

Advisory Circular Aerodromes Part 171 of CASR Guidance materials Version

1.1

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AC 171-03 Guidelines for the preparation of a safety management system (PDF, 306.24 KB)

Passenger safety briefing

Updated: 20 August 2021

Passenger safety briefing for aeroplanes, helicopters and hot air balloons

General General advice

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Passenger safety briefing (PDF, 2.73 MB)

AC 172-01 - Guidelines for preparing a safety management system

Updated: 1 September 2005

Advisory Circular AC 172-01 provides guidelines for a safety management system (SMS) that complies with the Part 172…

Advisory Circular Aerodromes Part 172 of CASR Guidance materials Version

1.0

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AC 172-01 Guidelines for preparing a safety management system (PDF, 38.37 KB)

AC 172-02 - Guidelines for preparing safety cases covering CASR Part 172 services

Updated: 5 February 2024

Advisory Circular AC 172-02 provides guidelines for air traffic service providers to the preparation of safety cases to…

Advisory Circular Aerodromes Part 172 of CASR Guidance materials Version

1.1

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AC 172-02 Guidelines for preparing safety cases covering CASR Part 172 services (PDF, 668.42 KB)

AC 173-01 - Applications for procedure design certificate

Updated: 8 November 2022

Advisory Circular AC 173-01 provides guidance and information to applicants for certification as instrument flight…

Advisory Circular Airspace Part 173 of CASR Guidance materials Version

1.1

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AC 173-01 Applications for procedure design certificate (PDF, 301.53 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 Air traffic management systems 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 Continuing airworthiness 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 Administrative matters Current

Search results for publications

240 total results

Visual Flight Rules Guide

Updated:

1 July 2025

The Visual Flight Rules Guide (VFRG) helps pilots prepare, plan and fly safely under visual flight rules (VFR). The guide explains the rules in plain English and by using practical information and examples.

Publication Plain English guides

Cabin safety bulletin 20 Unruly and disruptive passengers

Updated:

24 March 2020

This bulletin provides operator guidance in relation to unruly or disruptive passengers. The bulletin has been archived from the our website and can be found on Trove.

Publication Cabin safety bulletins Cabin Safety

General Aviation Workplan

Updated:

24 October 2023

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

Publication Corporate plans

Search results for CASA Forms

388 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

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Flight operations Part 119 of CASR Part 121 of CASR Part 133 of CASR Part 135 of CASR Part 138 of CASR

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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

Flight operations