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100+ Free FAA MEI Practice Questions

Pass your FAA Multi-Engine Instructor Knowledge Test exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: FAA MEI Exam

25 / 100

Exam Questions

25 for AFA added rating; 100 for FIA initial

70%

Passing Score

FAA Airman Knowledge Testing Matrix

1 hr / 2.5 hrs

Time Allotted

1 hour for AFA; 2.5 hours for FIA

$175

Knowledge Test Fee

PSI FAA testing portal

24 months

Test Validity

14 CFR 61.39 knowledge test expiration

18+

Minimum Age

14 CFR 61.183(a)

The MEI added rating knowledge test (AFA) is a 25-question, 60-minute exam with a 70% passing score administered at PSI testing centers for $175. If this is your initial flight instructor certificate, you take the FIA (100 questions, 2.5 hours) plus the FOI (50 questions, 1.5 hours) instead. The practical test is governed by FAA-S-ACS-25, effective May 31, 2024.

About the FAA MEI Exam

The FAA Multi-Engine Instructor (MEI) knowledge test validates the aeronautical knowledge required to instruct in multi-engine airplanes. Most MEI candidates already hold a CFI certificate and take the AFA (Flight Instructor Airplane Added Rating) test, which is 25 questions in 1 hour. Candidates seeking their initial flight instructor certificate take the full FIA test (100 questions in 2.5 hours) plus the FOI. The test covers multi-engine aerodynamics, Vmc factors, engine failure procedures, aircraft systems, performance, regulations, and instructional techniques specific to multi-engine operations.

Questions

25 scored questions

Time Limit

1 hour (AFA added rating) or 2.5 hours (FIA initial instructor)

Passing Score

70%

Exam Fee

$175 (Federal Aviation Administration (FAA) / PSI Services)

FAA MEI Exam Content Outline

25%

Multi-Engine Aerodynamics and Vmc

Vmc definition and factors, critical engine theory, P-factor, accelerated slipstream, spiraling slipstream, torque, counter-rotating propellers, V-speeds (Vmc, Vyse, Vxse, Vsse), and zero-sideslip single-engine flight.

20%

Emergency and Engine-Out Operations

Engine failure identification and securing (Identify-Verify-Feather), Vmc demonstrations and recovery, single-engine approaches, single-engine go-arounds, emergency gear extension, and engine restart procedures.

15%

Fundamentals of Instructing

Learning process and levels, domains of learning, teaching methods (demonstration-performance, SBT), defense mechanisms, ADM and the DECIDE model, hazardous attitudes, CRM, lesson planning, and effective communication.

15%

Aircraft Systems

Constant-speed propeller and feathering systems, fuel systems and crossfeed operations, retractable landing gear systems, engine monitoring, and multi-engine-specific systems knowledge per the POH.

10%

Performance and Limitations

Accelerate-stop and accelerate-go distances, single-engine service and absolute ceilings, density altitude effects on multi-engine performance, and weight and balance calculations.

10%

Regulations and Certification

14 CFR Parts 61 and 91, flight instructor eligibility and privileges, MEI-specific endorsement authority, aircraft documents (ARROW), inspection requirements (AV1ATE), and inoperative equipment rules.

5%

Flight Maneuvers and Procedures

Steep turns, slow flight and stalls in multi-engine airplanes, ground reference maneuvers, takeoff and landing techniques, preflight inspection, GUMPS check, and engine runup procedures.

How to Pass the FAA MEI Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 25 questions
  • Time limit: 1 hour (AFA added rating) or 2.5 hours (FIA initial instructor)
  • Exam fee: $175

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

FAA MEI Study Tips from Top Performers

1Master the Vmc factors first. Understanding how weight, CG, altitude, gear position, propeller state, and bank angle affect Vmc is the foundation of multi-engine instruction and the most heavily tested topic.
2Practice the Identify-Verify-Feather sequence until it is automatic. Know why each step exists and common student errors in engine failure identification.
3If you already hold a CFI, focus your knowledge test study on the 25 AFA questions, which emphasize multi-engine-specific topics and advanced aerodynamics rather than general instructor knowledge.
4Study the Airplane Flying Handbook (FAA-H-8083-3) Chapter 12 on multi-engine operations and the Aviation Instructor's Handbook (FAA-H-8083-9) for FOI topics.
5Review 14 CFR 61.195(f) for the 5-hour PIC requirement in specific make and model, and 14 CFR 61.187(b)(2) for the multiengine areas of operation that will be tested on the practical exam.

Frequently Asked Questions

Do I need to take a separate knowledge test for the MEI rating?

It depends. If you already hold a CFI certificate, the MEI is an added rating and you take the AFA (Flight Instructor Airplane Added Rating) test: 25 questions, 1 hour, 70% passing score. If MEI is your initial flight instructor certificate, you take the full FIA test (100 questions, 2.5 hours) plus the FOI (50 questions, 1.5 hours).

What is the cost of the FAA MEI knowledge test?

The standard FAA Airman Knowledge Test fee is $175, administered through PSI testing centers. The fee may vary slightly by testing location. You schedule and pay through the PSI online portal.

What are the prerequisites for the MEI certificate?

You must be at least 18 years old, hold a commercial pilot certificate (or ATP) with an airplane multiengine class rating and instrument rating, be proficient in English, and have the required training and endorsements from an authorized instructor per 14 CFR 61.183 and 61.187.

How long are MEI knowledge test results valid?

All FAA airman knowledge test results are valid for 24 calendar months from the date of the test. If you do not complete your practical test within that period, you must retake the knowledge test.

What ACS governs the MEI practical test?

The Flight Instructor for Airplane Category ACS (FAA-S-ACS-25), effective May 31, 2024, governs the MEI practical test. It includes specific multiengine tasks such as OEI Performance (Task P in Area of Operation II) and the multiengine operations area.