Commercial Space Advisory Circulars (ACs)

450 ACs Combined in one Portfolio PDF file for download is available here then click on the download icon. Download Icon

450 ACs Combined in one Portfolio PDF file for download is available here then click on the download icon. Download Icon

The FAA seeks public comment on each of these documents for a period of 30 days when issued. FAA will issue an updated version if warranted based on comments received. Each guidance document contains a feedback form with instructions on how to provide feedback at any time during the process. *Feedback for ACs may also be submitted via the AC feedback form (PDF) and emailing the form to astapplications@faa.gov. Please include the AC number/title in the subject line.

Last updated: Friday, April 18, 2025