Advisory Circulars

Advisory Circulars (AC) give advice and guidance on how to meet the Civil Aviation Safety Regulations (CASR). Each AC explains certain rules or standards in more detail.

Search by keyword such as the title or number of an AC. You can also use the category or rule part filters to show AC related to a particular topic or Part of CASR.

Showing 151 - 165 of 196 results

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AC 91-18 - Restraints of infants and children

Updated:

The purpose of Advisory Circular AC 91-18 is to provide information on the use of child restraint systems by infants,…

Advisory Circular Flight operations Part 91 of CASR Guidance materials Version
1.1
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AC 91-18 - Restraint of infants and children (PDF, 736.71 KB)

AC 91-05 - Performance-based navigation

Updated:

Advisory Circular AC 91-05 v1.0 - Performance-based navigation provides information on the concept of performance-based…

Advisory Circular Flight operations Part 91 of CASR Guidance materials Version
1.0
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AC 91-05 Performance-based navigation (PDF, 1 MB)

AC 139.C-06 - Skid resistance of aerodrome pavements

Updated:

Advisory Circular AC 139.C-06 provides advice regarding the skid resistance requirements of aerodrome pavements,…

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-06 Skid resistance of aerodrome pavements (PDF, 2.73 MB)

AC 21-47 - Flight test safety

Updated:

Advisory Circular AC 21-47 provides general safety information to our staff, aircraft industry participants and amateur…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version
1.1
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AC 21-47 Flight test safety (PDF, 509.05 KB)

AC 139.C-09 - Visual aids, markings, signals and signs

Updated:

Advisory Circular AC 139.C-09 provide guidance that complements the rules prescribed in the Part 139 Manual of…

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-09 Visual aids, markings, signals and signs (PDF, 528.62 KB)

AC 139.A-02 - Aerodrome and aircraft compatibility

Updated:

Advisory Circular AC 139.A-02 provide guidance on the methodology and procedures to be used when assessing aerodrome…

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version
1.0
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AC 139.A-02 Aerodrome and aircraft compatibility (PDF, 267.58 KB)

AC 139.C-02 - Aerodrome personnel

Updated:

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

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-02 Aerodrome personnel (PDF, 387.09 KB)

AC 139.C-27 - Risk management plans for aerodromes

Updated:

Advisory Circular AC 139.C-27 provides guidance for developing a risk management plan, which intend to mitigate and…

Advisory Circular Aerodromes Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-27 Risk management plans for aerodromes (PDF, 242.31 KB)
Online version available at: https://www.casa.gov.au//resources-and-education/publications/guidance-material/advisory-circulars
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