Commercial Space Advisory Circulars (ACs)
450.101-1A High Consequence Event Protection
Issued 5/20/2021
Workshop Slides: PDF
Workshop Video: Video
450.108-1 Flight Abort Rule Development
Issued: 7/27/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.109-1 Flight Hazard Analysis
Issued: 8/05/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.110-1 Physical Containment as a Hazard Control Strategy
Issued: 9/27/2022
AC: PDF
Advisory Circular: 450.115-1A High Fidelity Flight Safety Analysis
Issued: 6/25/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.117-1 Trajectory Analysis for Normal Flight
Issued: 8/19/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.167-1 Tracking for Launch and Reentry Safety Analysis
Issued: 9/29/2022
AC: PDF
Advisory Circular: 450.173-1 Part 450 Mishap Plan – Reporting, Response, and Investigation Requirements
Issued: 8/12/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.179-1 Ground Safety
Issued: 9/22/2021
Workshop Slides: PDF
Workshop Video: Video
Advisory Circular: 450.3-1 Definition of Launch and Scope of a Vehicle Operator License
Issued: 9/28/2022
AC: PDF
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.