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English language standards for flight crew

Learn about the English language standards you must meet to use an aeronautical radio.

Landing page

AC 139.C-02 - Aerodrome personnel

Updated: 23 July 2020

Advisory Circular AC 139.C-02 has been developed to assist aerodrome operators to identify the various roles and…

Part 139 of CASR Guidance materials Version

1.0

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AC 139.C-02 Aerodrome personnel (PDF, 387.09 KB)

Aerodromes

Safety and regulatory information for aerodrome owners and operators.

Landing page

Updated:

27 November 2023

Enforcement action

Learn about the range of enforcement options we can take when people don't follow the rules that keep our skies safe.

Content page

Dr Chin Chiu (Steven) Ho

Updated: 7 August 2025

Address:

Unit 903A, Euro Trade Centre

Connaught Road Central

CENTRAL HONG KONG

People's Republic of China

Phone:

+852 3175 3727

Services:

CAD testing

CASA Approved Aviation Consultant (CAAC):

Aviation medical contact

CASA.ADCERT.0266 - Morawa

Certificate date: 7 August 2025

Aerodrome operator:

Shire of Morawa

Location:

Aerodromes

Part 133 of CASR Key operational changes

Updated: 30 November 2021

This document is intended to assist persons who will conduct air transport operations under Part 133 of CASR to…

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Part 133 of CASR Key operational changes (PDF, 500.98 KB)

Recent enforcement actions

Content search

Updated:

29 April 2025

Submitting significant and non-significant changes

Learn how to notify us of a significant or non-significant change to your operations manual or exposition.

Content page

Compliance and enforcement

We work to make sure that people in the aviation community know and follow the rules. We can take action when this is not the case. We also monitor data and trends to identify potential or emerging safety risks.

Landing page

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

256 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

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

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

CASAF-63 - Request a meeting with the clinical case conference panel

Updated:

4 August 2022

Use this form if you would like to request an aviation medicine meeting with us.

CASA Forms

Webform