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Amateur Built Aircraft Reference Material

The Federal Aviation Regulations (14 CFR part 21) provide for the issuance of FAA Form 8130-7, Special Airworthiness Certificate, in the experimental category to permit the operation of amateur-built aircraft.  Section 21.191(g) defines an amateur-built aircraft as an aircraft, the major portion of which has been fabricated and assembled by person(s) who undertook the construction project solely for their own education or recreation. Commercially produced components and parts which are normally purchased for use in aircraft may be used including engines and engine accessories, propellers, tires, spring steel landing gear, main and tail rotor blades, rotor hubs, wheel and brake assemblies, forgings, castings, extrusions, and standard aircraft hardware such as pulleys, bellcranks, rod ends, bearings, bolts, rivets, etc.

The FAA has designated some private persons to act in its behalf in the inspection of amateur-built aircraft and the issuance of airworthiness certificates. These persons are known as Designated Airworthiness Representatives (DAR). The amateur-builder may contact the local FAA Flight Standards District Office (FSDO) or Manufacturing Inspection District Office (MIDO) for assistance. To find a DAR in your area refer to the on-line directory: http://av-info.faa.gov In the directory, MIDO (Manufacturing) DAR's are listed by state in the first half of the directory and FSDO (Maintenance) DAR's are listed by state in the second half. DAR's with the authority to inspect and certify amateur-built aircraft will have the DAR Function Code "46" under their name.

The following Advisory Circulars (AC) are also necessary for the safe implementation and advancement of amateur-built aircraft construction. Click on the AC below to view and/or download the appropriate Acrobat(tm) file.

AC20-27E, Certification and Operation of Amateur-Built Aircraft, This AC provides information and guidance in the building, certification and operation of amateur-built aircraft. Word Version also available.
AC20-139, Commercial Assistance During Construction of Amateur-Built Aircraft, Explains FAA regulations and policy regarding commercial assistance during the fabrication and assembly of amateur-built aircraft.
AC21-12B Application for U.S. Airworthiness Certificate, Form 8130-6 (11/2001) word version
AC90-89A, Amateur-Built Aircraft & Ultralight Flight Testing Handbook , This AC sets forth suggestions and safety related recommendations to assist amateur and ultralight builders in developing individualized aircraft flight test plans.
AC65-23A, Certification of Repairpersons (Experimental Aircraft Builders), This AC provides guidance to builders of amateur-built aircraft concerning their certification as repairmen via FAA form 8610-2, Airman Certificate and/or Rating Application Supplement for mechanics, repairman, and parachute riggers. 
AC39-7C, Airworthiness Directives, This AC provides guidance and information to owners and operators of aircraft concerning their responsibility for complying with airworthiness directives (AD) and recording AD compliance in the appropriate maintenance records.
AC103-7  The Ultralight Vehicle, This advisory circular provides guidance to the operators of ultralights in the United States. It discusses the elements which make up the definition of ultralight vehicles for the purposes of operating under Federal Aviation Regulation (14 CFR part 103). It also discusses when an ultralight must be operated as an aircraft under the regulations applicable to certificated aircraft.

You may acquire the Revised listing of Amateur-Built Aircraft Kits (July 23, 2003) in Microsoft Word(tm) format (ama-kit.doc) by clicking HERE or in Adobe Acrobat(tm) format (ama-kit.pdf) by clicking HERE. You may also view other safety related information (Airworthiness Directives (ADs), General Aviation Airworthiness Alerts, and Special Airworthiness Information Bulletins (SAIB)) which may be applicable to amateur-built aircraft or to products installed on them. Click HERE to go to that site.

FAA Order 8130.2E Airworthiness Certification of Aircraft and Related Products dated 1/23/03 with Change 1 dated 6/20/03 and Change 2 dated 7/22/03, establishes procedures for accomplishing original and recurrent airworthiness certification of aircraft and related products, including amateur-built aircraft. The procedures contained in this order apply to both Aircraft Certification Manufacturing and Flight Standards Airworthiness Aviation Safety Inspectors, and to private persons/organizations delegated authority to issue airworthiness certificates and related approvals.  Chapter 4, Section 1 provides general guidance material associated with special airworthiness certification.  Chapter 4, Section 7 provides specific information for special airworthiness certification of experimental amateur-built aircraft.

Forms:
AC Form 8050-88 (PDF)   Affidavit of Ownership
FAA Form 8130-12 (MS Word) Eligibility Statement: Amateur-Built Aircraft
FAA Form 8130-12 (PDF) Eligibility Statement: Amateur-Built Aircraft
FAA Form 8130-6 (PDF) Application for Airworthiness Certificate or, electronically completeable word version
FAA form 8610-2, Airman Certificate and/or Rating Application Supplement for mechanics, repairman, and parachute riggers