Part-147 School vs. Experience Route — Two Paths to FAA A&P Eligibility

The Part-147 School Path

FAA-approved Aviation Maintenance Technician Schools (AMTS) operating under 14 CFR Part 147 offer structured, curriculum-based training programs that culminate in graduation. Upon graduation, the school's training records and director's signature serve as your eligibility documentation on Form 8610-2 in lieu of a supervising mechanic's sign-off. Part-147 programs must meet FAA-minimum curriculum-hour requirements and cover all three subject areas (General, Airframe, and Powerplant). Programs typically run 18–24 months for the combined A&P curriculum. Schools range from two-year community colleges to standalone aviation maintenance academies; some offer associate degrees alongside the A&P curriculum. Tuition and fees vary widely — research specific schools and apply for financial aid early (GI Bill and Pell Grant are commonly used). Confirm that any school you consider holds current FAA Part-147 certification before enrolling.

The Experience Path: 18 or 30 Months of Practical Work

Under 14 CFR §65.77, candidates who do not attend a Part-147 school can qualify by accumulating practical, hands-on maintenance experience directly on aircraft or aircraft components. You need 18 months of documented experience for a single rating (Airframe only or Powerplant only) or 30 months of experience concurrently covering both Airframe and Powerplant work for both ratings. The experience must be certified by a qualified supervising A&P mechanic who holds the rating(s) you are seeking, and must cover the tasks defined by the FAA as practical experience — not administrative, ramp, or parts-counter work. Military aviation maintenance experience is generally accepted with appropriate documentation. There is no formal school, classroom requirement, or tuition — but you must find employment or a formal apprenticeship that provides qualifying maintenance work.

Time to Eligibility: A Realistic Comparison

On the Part-147 path, most programs take 18–24 months to complete, and upon graduation you are immediately eligible to take all three knowledge tests. On the experience path, you need at least 18 months (single rating) or 30 months (both ratings) before you can apply — and accumulating experience depends on securing qualifying employment, which may itself take time. If you already have aircraft maintenance employment and a supervising mechanic willing to document your work, the experience path may be faster for a single rating. For the combined A&P, a Part-147 program is often faster because it provides structured, simultaneous coverage of both General and the two rating areas. The elapsed-time comparison also depends on whether you are working full-time or part-time alongside other commitments.

Cost Comparison

Part-147 AMTS tuition varies considerably by institution and location — community college programs may be substantially less expensive than proprietary aviation academies. Financial aid (Pell Grant, GI Bill Chapter 33, VA vocational rehabilitation, scholarships) can significantly offset tuition costs; research your options early. Tool kits and supplies add to total cost. The experience path typically has no tuition cost if you are employed in a qualifying maintenance role, but you may earn apprentice-level wages during the experience period. Either way, total costs depend heavily on your location, employer, and personal circumstances — verify current figures with the schools or employers you are considering rather than relying on any general estimate.

Quality of Preparation for the Knowledge Tests

Part-147 programs are specifically designed to prepare graduates for the FAA knowledge tests and the O&P exam; the curriculum must cover the ACS subject areas. However, program quality varies — some schools are excellent at producing well-prepared graduates, while others may provide minimal study support beyond the required curriculum hours. On the experience path, you gain real-world maintenance skills, but structured preparation for the written tests depends entirely on your own self-study. Many experience-path candidates use study resources like the AMT handbooks and adaptive practice platforms to prepare alongside their work. In practice, some of the best-prepared test candidates are experience-path mechanics who combine real-world exposure with disciplined self-study.

Which Path Is Right for You?

The Part-147 path suits candidates who prefer structured, classroom-based learning; who are starting from zero maintenance experience; who want the fastest path to combined A&P eligibility; or who can access financial aid to offset tuition. The experience path suits candidates who already work in aviation maintenance and have a supervising mechanic willing to document their work; who prefer earning while learning; who want to avoid tuition debt; or who are pursuing a single rating first. There is no regulatory difference in the certificates issued — an A&P from the experience path is identical to one from a Part-147 program. The choice is personal and practical, not a mark of quality.

The Hybrid Route Most People Actually Take

The two routes are presented as a choice, and for the FAA they are. In practice a large number of mechanics end up on a path that borrows from both, and it is worth knowing that before treating the decision as final.

The most common hybrid is working in a maintenance environment while studying independently, accumulating documented experience toward 65.77 and preparing for the written tests at the same time. This is the route with the lowest cash cost and the highest demand on self-discipline, and it works well for people who already have a job in the industry and a supervising mechanic willing to sign.

A second version runs the other way: a Part-147 student who works part-time in a shop through the programme. The school satisfies the eligibility requirement, so the work is not about accumulating months — it is about arriving at the first job with real hangar experience rather than only a diploma, which materially changes the interviews you get.

The third is the military-to-civilian path, where service experience supplies the eligibility basis and the candidate self-studies for the written tests.

The point is that the eligibility route and the preparation route are separable. How you become eligible to test and how you prepare to pass are two decisions, and treating them as one is what leads people to assume a school is the only way to be ready.

What Employers Make of Each Route

This is the part of the comparison that people most want a straight answer to, and the straight answer is that it matters less than candidates expect and differently than they expect.

The certificate is the certificate. An A&P earned through documented experience carries identical privileges to one earned at a Part-147 school, and no employer can prefer one on regulatory grounds because there is no regulatory difference.

What employers actually screen on is evidence that you can do the work. A Part-147 graduate with no hangar time and an experience-route candidate with three years of signed maintenance history are not equivalent applicants, and in most shops the second one is the stronger. The school route's advantage is not prestige; it is structure, breadth of exposure, and — significantly — the placement relationships good schools maintain with local employers.

There is one place the route does show up. Some large employers, particularly airlines with structured entry programmes, express a preference for graduates of specific schools they recruit from, and a few tie apprenticeship or cadet schemes to them. That is a relationship with a school rather than a judgement about the route.

If you are on the experience route, the thing that closes the gap is documentation. A record that shows breadth across the ACS subject areas is an answer to the question employers are actually asking.

Questions to Ask a Part-147 School Before Enrolling

The variation between Part-147 schools is larger than the variation between the two routes, so the enrolment decision deserves more scrutiny than the route decision.

Start with certification. Is the school currently certificated under 14 CFR Part 147, and for which ratings — airframe, powerplant, or both? A programme calling itself aviation maintenance training is not automatically an approved AMTS, and the difference is the entire value of the credential.

Then ask about outcomes, in numbers. What proportion of students complete the programme, what proportion pass the three written tests on the first attempt, and what proportion are working as mechanics within a year of graduating? A school that tracks these will tell you. A school that does not may not be tracking them.

Ask what you will actually touch. Hours in a classroom and hours with your hands on an aircraft are different things, and the ratio between them varies enormously. Ask what aircraft and engines are on the floor, how many students share them, and whether turbine equipment is among them.

Finally, ask about the total cost — tuition, tools, books, fees, testing — and about what the school does when a graduate fails a written test. The answer tells you how the institution sees its own responsibility.

Frequently asked questions

Does a Part-147 graduate still need to take the three FAA written tests?

Yes. Part-147 graduation satisfies the practical experience requirement, not the written-test requirement. All candidates — whether Part-147 graduates or experience-path applicants — must pass all three FAA knowledge tests (General, Airframe, Powerplant) and the oral and practical exam with a DME before being certificated.

Can I switch paths midway — start the experience route and then go to a Part-147 school?

Yes. Nothing prevents you from attending a Part-147 school after accumulating some experience. However, experience accumulated before school enrollment generally does not 'count' toward Part-147 graduation — the school's own curriculum is what satisfies the requirement. Consult the school and your local FSDO if you have a hybrid situation.

Is experience on military aircraft enough to use the experience path?

Military aviation maintenance experience is generally accepted. You will need official military records (such as training records, DD-214, or letters from a commanding officer) documenting the nature and duration of your maintenance work. Your DME and the FSDO evaluate the documentation to determine whether it satisfies the §65.77 requirement for the rating(s) you are seeking.

How do I verify that a school is actually FAA-certified under Part 147?

The FAA maintains a searchable directory of certificated Part-147 schools. You can also ask the school to provide its FAA certificate number and verify it directly with your local FSDO. Do not rely solely on a school's marketing materials — confirm active FAA certification before enrolling or committing funds.

What if a Part-147 school closes before I graduate?

If an FAA-certified AMTS closes, the FAA may allow credits toward completion at another approved school. Contact the FAA and the receiving school immediately — partial credit policies vary. This is a known risk with proprietary schools; researching a school's financial stability before enrolling is prudent.

Can I switch from the experience route to a school partway through?

Yes, and it is not unusual. Nothing is lost by doing so: Part-147 graduation satisfies the experience requirement in its own right, so the months you accumulated simply become irrelevant rather than wasted. Some schools will assess prior experience for advanced standing in particular subjects, so it is worth asking before enrolling as a complete beginner.

Do Part-147 graduates pass the written tests at higher rates?

A structured curriculum built around the ACS subject areas is better preparation than unguided self-study, and schools generally have the pass rates to show it. But the causation runs partly the other way: the school route selects for people who can commit full-time to studying. An experience-route candidate working systematically through the ACS areas, reading the handbooks and drilling by area is not at a disadvantage on the written tests. The disadvantage of self-study is not knowing what you have not covered, and studying by ACS area is the fix for exactly that.

ACS subject areas covered here

These are the FAA Mechanic ACS areas this guide maps to. Each page breaks the area down and carries free practice questions with worked rationales.

• Regulations, Maintenance Forms, Records, and Publications (AM.I.I)
• Human Factors (AM.I.L)

Primary sources

• 14 CFR §65.77 — Experience Requirements (eCFR)
• 14 CFR Part 147 — Aviation Maintenance Technician Schools (eCFR)
• FAA Find Maintenance Schools (AMTS directory)

Related guides

• FAA A&P Mechanic Eligibility Requirements — Age, English, Experience
• How to Become an FAA Aircraft Mechanic (A&P Certificate Guide)
• FAA Form 8610-2 and IACRA — Applying for Your A&P Certificate