Skip to page content
Official 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 ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The latest general information on the Coronavirus (COVID-19) is available on For FAA-specific COVID-19 resources, please visit
United States Department of TransportationUnited States Department of Transportation

Aircraft Maintenance Technician Schools (AMTS)

An AMTS is an educational facility certificated by FAA to train prospective aircraft mechanics for careers in the airline industry, in aviation maintenance facilities, and in commercial and General Aviation (GA). 14 CFR part 147 specifies requirements for the certification and operation of an AMTS. The regulation includes both the curriculum requirements and the operating rules for all certificated AMTSs. The knowledge, skills, and abilities required of mechanics are considerable and demand high-quality training. Therefore, FAA requires high standards from the AMTS.

An AMTS may be FAA-certificated for the following ratings:

  • Airframe.
  • Powerplant.
  • Airframe and Powerplant (A&P).

A certificated AMTS is issued an Air Agency certificate as well as Operations Specifications (OpSpecs) which are legal documents by which FAA authorizes the AMTS to operate and describes the schools’ operational requirements, conditions, and limitations. Each authorizing document forms a legal contract between FAA and the certificate holder.

At this time, FAA does not certificate part 147 AMTSs outside of the U.S.

The 14 CFR part 147 certification process provides for interaction between the applicant and FAA from initial inquiry to certificate issuance. The process ensures that programs, systems, and intended methods of compliance are thoroughly reviewed, evaluated, and tested. Any questions about this process should be directed to the nearest Flight Standards District Office (FSDO).

There are 5 phases in the certification process, beginning with pre-application and ending with certificate issuance. Advisory Circular (AC) 147-3B and the Flight Standards Information Management System (FSIMS) (applicable chapter reference below) contain detailed descriptions of the applicant requirements in each phase. The certification process flowchart included below provides an overview of the part 147 certification process.

  • Certification Process Flowchart (PDF)
  • Phase 1 — Pre-application —
    • In this phase applicants conduct an initial inquiry by first educating themselves on part 147 requirements, and then contacting their local FAA office and advising of their intent to pursue part 147 AMTS certification. The AMTS applicant must submit a completed FAA form 8400-6, Pre-Application Statement of Intent to start the certification process. The FAA will arrange for a pre-application meeting with the applicant once it has the necessary resources to proceed with the certification.
  • Phase 2 — Formal Application
    • In this phase the applicant meets with FAA for a formal application meeting and submits all required documents for the application.
  • Phase 3 — Document Compliance
    • In this phase FAA reviews the submitted certification documents to ensure compliance with part 147 requirements. If deficiencies are found in the curriculum or in any other pre-application documents, FAA will return these documents to the applicant with a letter outlining the deficient areas.
  • Phase 4 — Demonstration and Inspection
    • In this phase FAA will arrange with the applicant to inspect the facility. At this point, FAA expects the AMTS facility to be complete with all the shop equipment, instructional aids, instructional aircraft, special tools, and other required laboratory or shop installations in place. During the inspection, FAA inspectors will carefully examine the facilities and equipment to ensure that procedures, programs, facilities, and equipment meet FAA requirements and are safe and sufficient for the training program in the shop to be effective.
  • Phase 5 — Certification
    • When all the regulatory requirements have been met, the school will be issued an AMTS Air Agency certificate and appropriate Operations Specifications.
  • 8400-6, Pre-application Statement of Intent (PASI)
  • 8310-6, Aviation Maintenance Technician School Certificate and Ratings Application.
  • 8000-4, Air Agency Certificate. (This form is available only to FAA personnel)
  • 14 CFR part 147,
  • Advisory Circular, AC 147-3B, Certification and Operation of Aviation Maintenance Technician Schools
  • FAA Order 8900.1, Flight Standards Information Management System (FSIMS)
  • Volume 2. Air Operator and Air Agency Certification and Application Process
    • Chapter 1. The Generic Process for Certificating Organizations
      • Section 1. General Information and the Certification Process
    • Chapter 12. Certification of a Part 147 Aviation Maintenance Technician School
      • Section 1.Phase 1–Preapplication
      • Section 2.Phase 2–Formal Application (SAS Business Process Modules 1 and 2)
      • Section 3.Phase 3–Design Assessment (SAS Business Process Modules 2, 3, and 4)
      • Section 4.Phase 4–Performance Assessment (SAS Business Process Modules 2, 3, and 4)
      • Section 5.Phase 5–Certification Administrative Functions
  • Volume 3. General Technical Administration
    • Chapter 18. Operations Specifications
      • Section 11. Parts A, B, and D Operations Specifications for Part 147 Aviation Maintenance Technician Schools
  • Volume 6. Surveillance
    • Chapter 10. Part 147 Inspections
      • Section 1. Introduction to Aviation Maintenance Technician School (AMTS) Surveillance
      • Section 2. Inspect AMTS Organizational Management
      • Section 3. Inspect AMTS Training Operations and Student Records
      • Section 4. Inspect AMTS Facilities
      • Section 5. Evaluate an AMTS Initial Curriculum or Curriculum Revision
      • Section 6. Evaluate AMTS Procedures
      • Section 7. Evaluate an AMTS Distance Learning Program

Page last modified: