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.

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Showing 21 - 30 of 201 results

Multi-Part AC 91-32 and AC 139-22 - Global reporting format - Runway surface condition

Updated:

This AC provides guidance on implementation of the Global Reporting Format (GRF). The GRF provides an internationally…

Advisory Circular Aerodromes Flight operations Part 91 of CASR Part 139 of CASR Flight operations Guidance materials Version
1.0
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AC 91-32 and AC 139-22 - Global reporting format - Runway surface condition (PDF, 2.21 MB)

AC 21-99 - Aircraft wiring and bonding

Updated:

Advisory Circular AC 21-99 provides guidance for the maintenance of aircraft electrical systems and bonding of…

Advisory Circular Airworthiness Part 21 of CASR Part 21 of CASR Certification / Airworthiness Guidance materials Version
2.1
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AC 21-99 Aircraft wiring and bonding (PDF, 18.88 MB)

AC 45-01 - Nationality and registration marks

Updated:

Advisory Circular AC 45-01 provides guidance and information concerning the registration marking of aircraft and the…

Advisory Circular Aircraft registration and marking Part 45 of CASR Aircraft registration Guidance materials Version
3.3
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AC 45-01 Nationality and registration marks (PDF, 301.78 KB)

AC 47-01 - Registration of aircraft and related matters

Updated:

Advisory Circular AC 47-01 provides guidance and information to applicants in relation to aircraft registration matters.

Advisory Circular Aircraft registration and marking Part 47 of CASR Guidance materials Version
5.0
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AC 47-01 Registration of aircraft and related matters (PDF, 1.13 MB)

AC 20-01 - Software configuration management

Updated:

Advisory Circular AC 20-01 provides guidance for the management of software in aircraft systems.

Advisory Circular Airworthiness Guidance materials Version
1.1
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AC 20-01 Software configuration management (PDF, 712.17 KB)

AC 20-06 - Defect reporting

Updated:

Advisory circular AC 20-06 provides guidance and information to people reporting defects to CASA in accordance with…

Advisory Circular Airworthiness Part 4B of CAR Continuing airworthiness Guidance materials Version
1.1
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AC 20-06 Defect reporting (PDF, 374.43 KB)
Online version available at: https://www.casa.gov.au//resources-and-education/publications/guidance-material/advisory-circulars
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