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 106 - 120 of 196 results

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

Updated:

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

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 35-01 - Wooden propellers

Updated:

Advisory Circular AC 35-01 provides guidance relating to the manufacture of fixed pitch wooden propellers.

Part 35 of CASR Guidance materials Version
1.1
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AC 35-01 Wooden propellers (PDF, 517.83 KB)

AC 145-04 - Control and delivery of training by a Part 145 approved maintenance organisation

Updated:

Advisory Circular AC 145-04 provides guidance and information to Part 145 approved maintenance organisations (AMOs) on…

Version: 2.3
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AC 145-04 Control and delivery of training by a Part 145 approved maintenance organisation (PDF, 381.1 KB)

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…

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

AC 139.E-02 - Plume rise assessments

Updated:

Advisory Circular AC 139.E-02 provides guidance on plume rise assessments for vertical exhaust plumes. It applies to…

Part 139 of CASR Guidance materials Version
1.0
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AC 139.E-02 Plume rise assessments (PDF, 614.75 KB)

AC 1-04 - Registered operator responsibilities for continuing airworthiness

Updated:

This AC provides guidance for operators relating to their management of the continuing airworthiness, and maintenance,…

Part 119 of CASR Part 121 of CASR Part 133 of CASR Part 135 of CASR Part 137 of CASR Part 138 of CASR Part 141 of CASR Part 142 of CASR Guidance materials Version
1.0
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AC 1-04 Registered operator responsibilities for continuing airworthiness (PDF, 326.02 KB)

AC 61-20 - Pilot supervision and mentoring

Updated:

This AC provides guidance to operators and pilots for a structured supervision program when supervision is required by…

Part 61 of CASR Guidance materials Version
1.0
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AC 61-20 Pilot supervision and mentoring (PDF, 649.83 KB)

AC 139.C-13 - Apron safety management

Updated:

The purpose of this AC is to provide guidance to aerodrome operators in effective apron safety management.

Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-13 Apron safety management (PDF, 436.58 KB)

AC 139.C-22 - Runway safety teams

Updated:

The purpose of this AC is to provide guidance to aerodrome operators in implementing local runway safety teams at each…

Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-22 Runway safety teams (PDF, 1.33 MB)

AC 139.C-14 - Airside vehicle control

Updated:

The purpose of this AC is to provide guidance to efficiently manage airside vehicle operations at all aerodromes.

Part 139 of CASR Guidance materials Version
1.0
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AC 139.C-14 Airside vehicle control (PDF, 538.27 KB)
Online version available at: https://www.casa.gov.au//resources-and-education/publications/guidance-material/advisory-circulars
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