AC 21-12D

Advisory circular · Application for U.S. Airworthiness Certificate, FAA Form 8130 6

Approved
January 30, 2026
Last reviewed
January 30, 2026
Cancels
AC21-12C
Family
AC 21-12 · 4 versions
Revision
D
14 CFR parts
21

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

Show pages 21–32

AC 21–12D CHAPTER 12. AWC PROJECT DOCUMENTATION Note 1: This section of AWC is used to upload documents related to the AWC application that are requested.

Note 2: Do not include or upload any information that is proprietary, confidential, company-sensitive, subject to International Traffic in Arms Regulations (ITAR) (22 CFR, subchapter M), subject to Export Administration Regulations (EAR) (15 CFR part

734), otherwise restricted from public or foreign disclosure, or documents that are not applicable to applying for an airworthiness certificate.

12.1 AWC Project Documents.

This section of AWC is used to upload documents related to the AWC application that are requested. Documents may include, but are not limited to:

• Program letter. Refer to § 21.193 Experimental certificates: general, for information on program letters.

• Drawings or photographs.

• Notarized letter of authorization.

• Amateur-built eligibility statement.

12.2 AWC Designee Tab.

AWC allows applicants to request a desired designee to be considered for assignment to this application. Please note that this is only a request and will be taken into consideration by the FAA. Circumstances may require the FAA to reject the requested designee, requiring the applicant to seek and request another designee, or it may be assigned to an FAA ASI. The FAA recommends that the applicant communicate with the requested designee, if known, prior to requesting in AWC.

12.3 AWC Review and FAA Office Information.

When using AWC, prior to submitting the application to the FAA, review the application for completeness and accuracy. Once review of the application has been completed, select the applicable FAA office. Refer to the FAA website to determine the applicable FAA office, at Locate an Office. Select the review box then the Submit Application button. In AWC, a prompt appears to accept the consent of signing the application digitally (Figure 1). Once accepted, the name of the person submitting the application will appear in the signature box preceded by “signed by” and followed by a digital time/date stamp.

12-1

AC 21–12D Figure 1. Application Consent Statement

12.4 Submitting the Completed Paper FAA Form 8130-6.

Once completed and signed, the Form 8130-6 is submitted to the selected FAA office.

Be prepared to provide additional documentation required by the regulations for final airworthiness certification. For an authorized agent to act on someone’s behalf, a notarized letter of authority should be included with the application form. For manufacturers holding an FAA production approval, an application may be submitted to an authorized Designated Airworthiness Representative, Designated Manufacturing Inspection Representative, or Organization Designation Authorization unit member, as appropriate.

Note: For questions or concerns regarding your submitted application, contact the FAA office to which it was submitted.

12-2

AC 21–12D Appendix A APPENDIX A. RELATED MATERIAL A.1 Title 14, Code of Federal Regulations (14 CFR).

The following 14 CFR parts are related to this AC. You can download the full text of these regulations from the Federal Register website at eCFR and on DRS.

• Part 1, Definitions and Abbreviations, provides definitions for terms used in the application.

• Part 21, Certification Procedures for Products and Articles, sets forth rules for the issuance of and change to type certificates, and issuance of production certificates, airworthiness certificates, and export airworthiness approvals. It also sets forth the rules governing the holders of these certificates and the approval of certain articles.

• Part 39, Airworthiness Directives, provides a legal framework for the FAA’s system of Airworthiness Directives.

• Part 43, Maintenance, Preventive Maintenance, Rebuilding, and Alteration, sets forth rules governing the maintenance, preventive maintenance, rebuilding, and alteration of aircraft having a U.S. Airworthiness Certificate, certain foreign-registered aircraft, and related products and articles.

• Part 45, Identification and Registration Marking, sets forth rules for display of nationality and registration marks, display of special airworthiness classification marks, identification plates for products, and identification of certain replacement and critical aircraft articles.

• Part 47, Aircraft Registration, sets forth rules for registering an aircraft.

• Part 91, General Operating and Flight Rules, sets forth rules governing the operation of most aircraft within the United States.

• Part 121, Operating Requirements: Domestic, Flag, and Supplemental Operations, sets forth rules for air carriers conducting domestic, flag, and supplemental operations, including safety and operational standards, including airman and crewmember qualifications, training programs, flight time limitations, aircraft maintenance, and equipment requirements for scheduled airlines and large cargo carriers.

A.2 FAA Advisory Circulars.

The following ACs are related to the guidance in this AC. The latest version of each AC referenced in this document is available on the FAA website at FAA Advisory Circulars and on DRS.

• AC 20-27, Certification and Operation of Amateur-Built Aircraft.

• AC 21-4, Special Flight Permits for Operation of Overweight Aircraft.

• AC 21-37, Primary Category Aircraft.

A-1

AC 21–12D Appendix A

• AC 2 1 -54, Experimental Airworthiness Certification of Certain Former Military Aircraft.

• AC 39-7, Airworthiness Directives.

• AC 45-2, Identification and Registration Marking.

A.3 FAA Orders.

The following orders are related to the guidance in this AC. The latest version of each order referenced in this document is available on the FAA website at FAA Orders & Notices and on DRS.

• FAA Order 8130.2, Airworthiness Certification of Aircraft.

• FAA Order 8130.34, Airworthiness Certification of Unmanned Aircraft Systems and Optionally Piloted Aircraft.

• FAA Order 8110.56, Restricted Category Type Certification.

A.4 FAA Forms and Other Related Material.

The following forms are related to the guidance in this AC. They are available on the FAA website at Forms, DRS, or Airworthiness Certification of Aircraft.

• FAA Form 8130-6, Application for U.S. Airworthiness Certificate, see Figure A-1.

• FAA Form 8130-15, Manufacturer’s Statement of Compliance for a Light-Sport Category Aircraft/Kit.

• Airworthiness Certification (AWC) tool.

• AWC Applicant Registration Guide and Application Process Overview.

A-2

Page 37OCROpen in PDF

AC 21-12D Appendix A Figure A-1. Sample FAA Form 8130-6 (Front) FAA FORM 8130-6, APPLICATION FOR U.S. AIRWORTHINESS CERTIFICATE For Approved OMB No. 2120-0018 Expires: October 31, 2026 U.8. Department U.S. AIRWORTHINESS APPLICATION FOR FAA use only. Bubmit original only to an authorized FAA Representative. If INSTRUCTIONS - Print or type. Do not write in shaded areas; these are for of Transportation additional space is required, use attachment. For special flight perits Federal Aviation CERTIFICATE complete Sections II, VI, and VII as applicable Administration

1. REGISTRATION MARK 2. AIRCRAFT MANUFACTURE'S oF BUILDER'S NAME 3. AIRCRAFT MODEL DESIGNATION LAIRCRAFT DESCRIPTION 5. AIRCRAFT SERIAL NO. 6. ENGINE MAI FACTURE'S oF BUILDER'S NAME 7. ENGINE MODEL DESIGNATION

8. NUMBER OF ENGINES 9. PROPELLER MANUFACT URE'S or BUILDER'S NAME 10. PROPELLER MODEL DEBIONATION 11. AIRCRAFT 13 /Cheak if applebie IMPORT

APPUCATION IS HEREBY MADE FOFE STANDARD AIRWORTH CATE (indicate calepory) NORMAL UTILITY ACROBATIC TRANSPORT POMMUTER ALLOON OTHER PECIAL AIRWORTHINEBS CERTIFICATE (Check appropriale /ema)

PRIMARY Powered-Parachute Weight-Bhift-Control 4 alder LIGHT-SPORT (Indiate Cal Fiotorcraft: Powered-Lit Ughter-than Ar Other (Spesty) 2 LIMITED PROVISIONAL (Indiate dies) CLABBI CLASS II

AGRICULTURE AERIAL SURVEY WEATHER CONTROL RESTRICTED FOREST and WILDLIFE CONBERVATION PATROLLING AERIAL ADVERTIBING OTHER (SpearM) Special Purpose Operation(a) (Spear)

RESEARCH AND DEVELOPMENT AMATEUR-BUILT TEXHIBITION

AIR RACING CREW TRAINING MARKET SURVEY

SHOW COMPLIANCE WITH THE OFR OPERATING PRIMARY CATEGORY KIT-BULT ARORAFT

OPERATING FORMER MILITARY AIRORAFT EXPERIVENTAL PURPOSE Operating Light-Sport Category Kit-Bult Aircraft Operating Former Light-Sport Catepory Aircraft (prevlousty Issued §21.190 alwo less certificate) 12A RESEARCH AND DEVELOPMENT 12 UNMANNED AIRCRAFT 12 B MARKET SURVEY 12 D EXHIBITION 12 C CREW TRAINING 12 E BHOW COMPLIANCE WITH THE OFF.

FERRY FLIGHT FOR REPAIRS, ALTERATIONS, MAINTENANCE, OR STORAGE

SPECIAL FLIGHT EVACUATE FROM AREA OF IMPENDING DANGER

OPERATION IN EXCESS OF MAXIMUM CERTIFICATED TAKE-OFF WEIGHT

DELIVERINO OR EXPORTINO PRODUCTION FLIGHT TESTING

CUSTOMER DEMONSTRATION FLIGHTS MULTIPLE AIRWORTH ICATES for RESTRICTED CATEGORY ARORAFT (Check ABOVE Tearied Operator" and Standed" ar Limind" as applcadi) D 10 CURRENT AIRWORTHINESS CERTIFICATE to RETAIN DATE of ISSUANCE A. REGISTERED OWNER (A a) IF DEALER, CHECK HERE

NAME ADDRESS I OWNER' S CERTIFICATION EL AIRORA-T CERTIFICHTION EASTS NORER ANd NET SPECIFICATION OR TYPE CERTIFICATE DATA SHEET (GH No. and AIRWORTHINESS DIRECTIVE: with and give the number of the led AD SLIPP

SUPPLEMENTAL TYPE CERTIF

RESERVED C. AIRORAFT MAINTENANCE RECORDS MAINTENANCE RECORDS ARE IN TOTAL AIRFRAME HOURS EXPERIMENTAL ONLY (Est ho COMPLIANCE WITH APPLICABLE 14 OFR

REQUIREMENTS D. CERTIFICATION - I hereby certty that I am the registered owner (or his agent) of the aircraft described above, that the aircraft is registered with the Federal Atation Administration In accordance with Title 49 of the United States Code 44101 et sea. and applicable Federal Aviation Regulat ons, and that the aircraft has been inspected and is airworthy and eligible for the airworthiness certificate requested.

DATE OF APPLICATION NAME AND TITLE /Print ar pe SIGNATURE AGENCY EPIFICATION THE NECRAFT DESCE BED ABOVE LAS BEEN SPECTED AND FOUR TIRCATED MECHANIC eaten CP RICATED REPAR STATION (MON No.) 14 OFF. part 121 CERTIFICATE HOLDER (Catic ate No.) AIRORAFT MANUFACTURER. (GH CERTIFICATED MECHANIC (Cation No.) (CERTIFICATED FORETON REPAIR STATION (CACH No.)

IN. DATE as entered in logbook PRINT NAME and TITLE of INSPECTOR as entered in logbook TCheck A22 applicacle Slock fare A and 07 A. I find that the aircraft described in Bection I or VII THE DERTIFICATE REQUESTED DENIAL LETTER ISSILED REPRESENTATIVE CERTIFICATION B. Inspection for a special fight permit under Section meets / does not meet requirements for FAA INSPECTOR AMENDMENT OR MODIFICATION OF CURRENT AIRWORTHINESS CERTIFICATE FAA DESIGNEE V.FAA VIl was conducted by: CERTIFICATE HOLDER UNDER 14 CFR. part 65 • 14 OFR. part 121 OR 135 14 CFF. part 14 DATE FAA OFFICE FAM INSPECTOR 3 SIGNATI E or DESIONEE S FAA INSPECTOR S CERTIFICATION FILE REVIEW SIGNATUR SIGNATURE AND NO.

FAA For 8130-6 (Xx/0) SUPERSEDES PREVIOUO EDITION Page 1 of 2 A-3

Page 38OCROpen in PDF

AC 21-12D Appendix A Figure A-2. Sample FAA Form 8130-6 (Back) FAA FORM 8130-6, APPLICATION FOR U.S. AIRWORTHINESS CERTIFICATE Form Approved OMB No. 2120-0018 Expires: October 31, 2026 A. MANUFACTURER

NAME ADDRESS VI. PRODUCTION FLIGHT TESTING B. PRODUCTION BASIS (Check applicable item) PRODUCTION CERTIFICATE (Give production certificate number)

TYPE CERTIFICATE thiness requirements but is capable of safe fight:

. GIVE QUANTITY OF CERTIFICATES REQUIRED FOR OPERATING NEEDS DATE OF APPLICATION NAME AND TITLE (Printor type) SIGNATURE A. DESCRIPTION OF AIRCRAFT

REGISTERED OWNER ADDRESS BUILDER (Make) MODEL

SERIAL NUMBER REGISTRATION MARK CUSTOMER DEMONSTRATION FLIGHTS (Check if applicable) TO

DEPARTURE DATE DURATION

CREW REQUIRED TO OPERATE THE AIRCRAFT AND ITS EQUIPMENT FLIGHT ENGINEER OTHER (Specify) D. THE AIRCRAFT DOES NOT MEET THE APPLICABLE AIRWORTHINESS REQUIREMENTS AS FOLLOWS:

se attachment if necessary)

VII SPECIAL F. CERTIFICATION - I hereby certify that l am the registered owner (or his agent) of the aircraft described above; that the aircraft is registered with the Federal Aviation Administration in accordance with Title 49 of the United States Code 44101 et seq. and applicab Federal Aviation Regulations; and that the aircraft has been inspected and is safe for the flight described DATE NAME AND TITLE (Printor type) SIGNATURE A. Operating Limitations and Markings in Compliance With 14 CFR Section 91.9. J. Superseded, terminated, or canceled airworthiness certificate Issued in Accordance With As Applicable 14 CFR Section — _ CAR — _ (Original attached) B. Current Operating Limitations Attached (FAA/DESIGNEE use only) K. Airworthiness Certificate Issued via this Application in Accordance With VIII. AIRWORTHINESS DOCUMENTATION C. Data, Drawings, Photographs, etc. (Attach when required) 14 CFR Section (Copy atfached) D. Current Weight and Balance Information Available in Aircraft L. Light-Sport Category Statement of Compliance, FAA Fom 8130-15 E. Major Repair and Alteration, FAA Form 337 (Attach when required) M. Reserved F. This inspection Recorded in Aircraft Records N. Denial Letter (Copy attached) G. Statement of Conformity, FAA Fom 8130-9 (Attach when required) O. Certification file forward to registry DOES NOT contain information that is proprietary.

confidential, companv-sensitive, subiect to International Traffic in Arms Redulations (TAR) H. Foreign Airworthiness Certification for Import Aircraft (Attach when required) (22 CFR, subchapter M), subject to Export Administration Regulations (EAR) (15 CFR part

734), or otherwise restricted from public or foreign disclosure . FAA For 8100-1, Conformity Inspection Record FAA Form 8130-6 (xx/xx) SUPERSEDES PREVIOUS EDITION Page 2 of 2 A-4

AC 21–12D Appendix B APPENDIX B. ACRONYMS B.1 Acronyms Used in This Manual.

• AC Advisory Circular

• AD Airworthiness Directive

• AD biweekly Airworthiness Directives Biweekly

• ASI Aviation Safety Inspector

• AWC Airworthiness Certification (Online Application Tool)

• CAA Civil Aviation Authority

• CAR Civil Air Regulation

• CFR Code of Federal Regulations

• DRS Dynamic Regulatory System

• FAA Federal Aviation Administration

• ID Identification

• N/A Not Applicable

• ODA Organization Designation Authorization

• PC Production Certificate

• STC Supplemental Type Certificate

• TC Type Certificate

• TCDS Type Certificate Data Sheet B.2 Reserved.

B-1

OMB Control Number: 2120-0746 Expiration Date:12/31/2027 Advisory Circular Feedback Form Paperwork Reduction Act Burden Statement: A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB Control Number. The OMB Control Number for this information collection is 2120-0746. Public reporting for this collection of information is estimated to be approximately 20 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering, and maintaining the data needed, completing, and reviewing the collection of information.

All responses to this collection of information are voluntary. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177-1524.

If you find an error in this AC, have recommendations for improving it, or have suggestions for new items/subjects to be added, you may let us know by (1) emailing this form to 9-avs-air-directivesmanagement-officer@faa.gov or (2) faxing it to the attention of the LOB/SO (202) 267-1813.

Subject: AC 21-12D, Application for U.S. Airworthiness Date: _______________ Certificate Mark all appropriate line items:

☐ An error (procedural or typographical) has been noted in paragraph _______ on page _______.

☐ Recommend paragraph _______ on page _______ be changed as follows:

☐ In a future change to this AC, please cover the following subject:

(Briefly describe what you want added.)

☐ Other comments:

☐ I would like to discuss the above. Please contact me using the information below.

Submitted by: __________________________________ Date: __________________ FAA Form 1320-73 (01/25) SUPERSEDES PREVIOUS EDITIONS