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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
20-166A Issue Paper Process

a. This advisory circular (AC) provides information on the use of issue papers and gives you guidance on your role in describing and tracking the resolution of significant technical, regulatory, and administrative issues derived from the issue paper process.

Active AIR-110 2014-11-06
20-179 Certification Data Retention Agreements and Government Records

This advisory circular (AC) describes the procedures that you, domestic design approval applicants and design approval holders (DAHs), should follow when entering into a certification data retention agreement with the Federal Aviation Administration (FAA).

Active AIR-110 2013-06-10
20-180 Approved Model List Supplemental Type Certificate (AML-STC)

This advisorycircular(AC)providesguidelines and requirements to obtain approved model list (AML)supplemental typecertificate(STC).

Active AIR-110 2013-05-14