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 41 - 50 of 201 results

AC 21-10 - Experimental certificates

Updated:

Advisory circular AC 21-10 provides guidance and information to applicants applying for experimental certificates.

Advisory Circular Airworthiness Part 21 of CASR Certification / Airworthiness Guidance materials Version
4.3
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AC 21-10 Experimental certificates (PDF, 666.87 KB)

AC 21-11 - Certification of amateur-built (ABAA) aircraft

Updated:

Advisory Circular AC 21-11 provides guidance and information for our staff, authorised persons and applicants applying…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version
1.1
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AC 21-11 Certification of amateur-built (ABAA) aircraft (PDF, 789.17 KB)

AC 21-12 - Classification of design changes

Updated:

Advisory Circular AC 21-12 provides guidance on the classification of design changes for the purposes of approval under…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version
1.1
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AC 21-12 Classification of design changes (PDF, 1.12 MB)

AC 21-13 - Type certification of Australian-designed aircraft

Updated:

Advisory Circular AC 21-13 provides guidance and information for applicants applying for Type Certificates (TCs) issued…

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version
1.1
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AC 21-13 Type certification of Australian-designed aircraft (PDF, 1.03 MB)

AC 21-14 - Production certificates

Updated:

Advisory Circular AC 21-14 gives information and guidance to persons applying for or holding production certificates.

Advisory Circular Airworthiness Part 21 of CASR Guidance materials Version
4.1
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AC 21-14 Production certificates (PDF, 239.62 KB)

AC 21-15 - Supplemental type certificates

Updated:

Advisory Circular AC 21-15 gives information and guidance in relation to the application, assessment and approval of…

Advisory Circular Airworthiness Part 21 of CASR Certification / Airworthiness Guidance materials Version
3.1
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AC 21-15 Supplemental type certificates (PDF, 824.45 KB)

AC 21-17 - Export airworthiness approvals

Updated:

Advisory Circular AC 21-17 provides guidance on applying for an export airworthiness approval for Class I, Class II or…

Advisory Circular Airworthiness Part 21 of CASR Certification / Airworthiness Guidance materials Version
3.1
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AC 21-17 Export airworthiness approvals (PDF, 310.89 KB)

AC 21-19 - Aircraft modification - flight test considerations

Updated:

Advisory Circular AC 21-19 provides background information and general technical guidance for flight test…

Advisory Circular Airworthiness Part 21 of CASR Certification / Airworthiness Guidance materials Version
1.1
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AC 21-19 Aircraft modification - flight test considerations (PDF, 383.79 KB)
Online version available at: https://www.casa.gov.au//resources-and-education/publications/guidance-material/advisory-circulars
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