USA Banner
  U.S. flag
              An official website of the United States government Here's how you knowOfficial US Government Icon
              **Official websites use .gov**A **.gov** website belongs to an official government organization in the United States.
            Secure Site Icon
              **Secure .gov websites use HTTPS**
                  A **lock** ( A locked padlock ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 
 United States Department of Transportation
 Secondary navigation
  

        
                    About
                Jobs
                News
                                                           Enter Search Term(s):
                 Ultimenu: Main navigation
  

        AircraftSubnav: Aircraft 1
  

        
              Aircraft Certification
                Aviation Safety Draft Documents Open for Comment
                Vintage & Experimental Aircraft ProgramSubnav: Aircraft 2
  

        
              Aircraft Safety
                General Aviation & Recreational Aircraft
                Repair Stations
                Air Carrier & Air Agency CertificationAir TrafficSubnav: Air Traffic 1
  

        
              Air Traffic By The Numbers
                Air Traffic Environmental Review
                Community Engagement
                Flight Information
                International Aviation
                National Airspace SystemSubnav: Air Traffic 2
  

        
              NextGen
                Obstruction Evaluation
                Air Traffic Plans and Publications
                Separation Standards
                Technology
                WeatherAirportsSubnav: Airports 1
  

        
              Airport Cooperative Research Program
                Airport Improvement Program
                Airport Compliance
                Airport Rescue Grants
                Airport Safety
                Airport Certification
                CARES Act Grants
                Airport Coronavirus Response Grant ProgramSubnav: Airports 2
  

        
              Engineering, Design, & Construction
                Environmental Programs
                News & Information
                Passenger Facility Charge (PFC) Program
                Planning & Capacity
                Resources
                Regions
                Runway Safety
                Airport Safety Information Video SeriesPilots & AirmenSubnav: Airmen 1
  

        
              Find an Aviation Medical Examiner
                Become a Pilot
                International Flight
                Pilot Certificates & Records
                Medical CertificationSubnav: Airmen 2
  

        
              FAA Safety Team
                Mechanics
                Airmen Certification
                Training & Testing
                From the Flight Deck
                Pilot's Bill of RightsData & ResearchSubnav: Data & Research 1
  

        
              Accident & Incident Data
                Aviation Forecasts
                Aviation Data & Statistics
                Commercial Space DataSubnav: Data & Research 2
  

        
              Funding & Grant Data
                Passengers & Cargo
                Research
                Safety
                Technical LibraryRegulationsSubnav: Regulations 1
  

        
              Advisory Circulars
                Airworthiness Directives
                FAA Regulations
                Forms
                Handbooks & Manuals
                Orders & NoticesSubnav: Regulations 2
  

        
              Pilot Records Database
                Policy & Guidance
                Rulemaking
                Temporary Flight Restrictions
                Notices to Air Missions (NOTAM)SpaceSubnav: Space 1
  

        
              Licenses, Permits & Approvals
                Resources
                Legislation & Policies, Regulations & Guidance
                Environmental
                SpaceportsSubnav: Space 2
  

        
              Airspace Integration
                Stakeholder Engagement
                Compliance, Enforcement & Mishap
                Commercial Human Spaceflight
                Careers
                Additional InformationDronesSubnav: Drones 1
  

        
              Advanced Operations
                Certificated Remote Pilots including Commercial Operators
                Contact Us
                Critical Infrastructure & Public Venues
                Drone Events
                Educational Users
                UAS en EspanolSubnav: Drones 2
  

        
              Getting Started
                Public Safety and Government
                Programs, Partnerships & Opportunities
                Recreational Flyers & Modeler Community-Based Organizations
                Resources & Other Topics
                Research & DevelopmentMenu Home
                        Space
                        Legislation & Policies, Regulations & Guidance
                        Commercial Space Advisory Circulars (ACs)


            
            In This Section
        Commercial Space Homepage
                Licenses, Permits & Approvals
                                Licenses, Permits & Approvals
                Getting Started with Licensing
                Vehicle Operators License
                Experimental Permits
                Amateur Rockets
                Spaceport Licenses
                Safety Element Approvals
                Payload Reviews
                Financial Responsibility
                Legacy Regulations
                Resources
                Legislation & Policies, Regulations & Guidance
                                Overview
                Commercial Space Advisory Circulars (AC)
                Environmental
                                Environment Review Process
                NEPA Documents
                Spaceports
                                U.S. Spaceports
                Spaceports by State
                Airspace Integration
                Stakeholder Engagement
                                Current Projects
                Boca Chica Launch Site
                Huntsville Reentry Site
                Shuttle Landing Facility
                Compliance, Enforcement & Mishap
                Commercial Human Spaceflight
                Careers
                Additional Information
                                More Information on Commercial Space
                About our Office
                COMSTAC
                International Affairs
                FAQs
                
                Commercial Space Advisory Circulars (ACs)
    

    
    
        
    
      

            Expand All
      Collapse All
        **AC 413.13-1 - Guidance on Submitting a Complete Enough and Complete Application for a Vehicle Operator License**
        Advisory Circular: AC 413.13-1 - Guidance on Submitting a Complete Enough and Complete Application for a Vehicle Operator License

Issued: 12/18/2023

AC: PDF
  


      **AC: 450.101-1A High Consequence Event Protection**
        450.101-1A High Consequence Event Protection

Issued 5/20/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.103-1 Safety System Program**
        450.103-1 Safety System Program

Issued: 9/7/2021

10/13/2021 Workshop Slides: PDF

10/13/2021 Workshop Video: Video

5/9/2023 Workshop Slides: PDF

5/9/2023 Workshop Video: Video
  


      **AC: 450.107-1 Hazard Control Strategies**
        450.107-1 Hazard Control Strategies

Issued: 7/27/2021

6/23/2021 Workshop Slides: PDF

5/11/2023 Workshop Slides: PDF

5/11/2023 Workshop Video: Video
  


      **AC: 450.108-1 Flight Abort Rule Development**
        450.108-1 Flight Abort Rule Development

Issued: 7/27/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.109-1 Flight Hazard Analysis**
        Advisory Circular: 450.109-1 Flight Hazard Analysis

Issued: 8/05/2021

8/25/2021 Workshop Slides: PDF

8/25/2021 Workshop Video: Video

5/16/2023 Workshop Slides: PDF

5/16/2023 Workshop Video: Video
  


      **AC: 450.110-1 Physical Containment as a Hazard Control Strategy**
        Advisory Circular: 450.110-1 Physical Containment as a Hazard Control Strategy

Issued: 9/27/2022

AC: PDF
  


      **AC: 450.115-1A High Fidelity Flight Safety Analysis**
        Advisory Circular: 450.115-1A High Fidelity Flight Safety Analysis

Issued: 6/25/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.117-1 Trajectory Analysis for Normal Flight**
        Advisory Circular: 450.117-1 Trajectory Analysis for Normal Flight

Issued: 8/19/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.123-1 Population Exposure Analysis**
        Advisory Circular: 450.123-1 Population Exposure Analysis

Issued: 10/12/2022

AC: PDF
  


      **AC: 450.141-1A Computing Systems and Software**
        Advisory Circular: 450.141-1A Computing Systems and Software

Issued: 8/18/2021

AC: PDF

5/18/2023 Workshop Slides: PDF

5/18/2023 Workshop Video: Video
  


      **AC: 450.161-1 Control of Hazard Areas**
        Advisory Circular: 450.161-1 Control of Hazard Areas

Issued: 12/21/2022

AC: PDF
  


      **AC: 450.167-1 Tracking for Launch and Reentry Safety Analysis**
        Advisory Circular: 450.167-1 Tracking for Launch and Reentry Safety Analysis

Issued: 9/29/2022

AC: PDF
  


      **AC 450.169-1 - Launch and Reentry Collision Avoidance Analysis**
        Advisory Circular: AC 450.169-1 - Launch and Reentry Collision Avoidance Analysis

Issued: 8/10/2023

AC: PDF
  


      **AC: 450.173-1 Part 450 Mishap Plan – Reporting, Response, and Investigation Requirements**
        Advisory Circular: 450.173-1 Part 450 Mishap Plan – Reporting, Response, and Investigation Requirements

Issued: 8/12/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.179-1 Ground Safety**
        Advisory Circular: 450.179-1 Ground Safety

Issued: 9/22/2021

Workshop Slides: PDF

Workshop Video: Video
  


      **AC: 450.3-1 Definition of Launch and Scope of a Vehicle Operator License**
        Advisory Circular: 450.3-1 Definition of Launch and Scope of a Vehicle Operator License

Issued: 9/28/2022

AC: PDF
  


      **AC 450.31-1 - Applying for FAA Determination on Policy or Payload Reviews**
        Advisory Circular: AC 450.31-1 - Applying for FAA Determination on Policy or Payload Reviews

Issued: 8/10/2023

AC: PDF
  


      **AC 450.45-1 - Launch and Reentry of Space Nuclear Systems**
        Advisory Circular: AC 450.45-1 - Launch and Reentry of Space Nuclear Systems

Issued: 10/20/2023

AC: PDFThe 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: Tuesday, December 19, 2023 U.S. Department of Transportation

Federal Aviation Administration
800 Independence Avenue, SW
Washington, DC 20591
866.835.5322 (866-TELL-FAA)Contact Us
        Get Important Info/Data
  

        
              Accident & Incident Data
                Airport Data & Information Portal (ADIP)
                Charting & Data
                Flight Delay Information
                Supplemental Type Certificates
                Type Certificate Data Sheets (TCDS)Review Documents
  

        
              Aircraft Handbooks & Manuals
                Airport Diagrams
                Aviation Handbooks & Manuals
                Examiner & Inspector
                FAA Guidance
                Performance Reports & PlansLearn About NextGen
  

        
              Next Generation Air Transportation System (NextGen)
                NextGen Today
                NextGen Programs and Resources
                Performance Reporting and BenefitsVisit Other FAA Sites
  

        
              Airmen Inquiry
                Airmen Online Services
                N-Number Lookup
                FAA Mobile
                FAA Safety Team
                Frequently Asked Questions

  Policies, Rights & Legal
  

        
              About DOT
                Budget and Performance
                Civil Rights
                FOIA
                Information Quality
                No FEAR Act
                Office of Inspector General
                Privacy Policy
                USA.gov
                Web Policies and Notices
                Web StandardsDOT Facebook
	DOT Twitter
	DOT Instagram
	DOT LinkedIn
	FAA YouTube
	DOT Medium