Test guides / ATM
FAA KNOWLEDGE TEST GUIDE
ATP written test (ATM)
The Airline Transport Pilot Multiengine Airplane (ATM) knowledge test is the written exam for the ATP certificate. You must complete an ATP Certification Training Program (ATP CTP) before you can take it.
AT A GLANCE
- Test code
- ATM
- Questions
- 125 multiple choice (3 options each)
- Time allowed
- 3 hr 30 min
- Passing score
- 70% (88 of 125)
- Minimum age to test
- 18
- Results valid for
- 60 calendar months
- Where
- PSI testing centers (about $175)
What the ATM covers
- ▸Parts 61, 91, 117 and 121 regulations, including flight and duty limits
- ▸High-altitude and transport-category aerodynamics
- ▸Takeoff, landing and climb performance calculations
- ▸Weather, including high-altitude and icing hazards
- ▸Aircraft systems and navigation
- ▸Crew resource management and threat and error management
What you need to take it
- Authorization: A graduation certificate from an FAA-authorized ATP Certification Training Program (ATP CTP, 14 CFR 61.156). You cannot take the ATM test without it.
- ID: a government-issued photo ID with your date of birth, signature and address.
- FAA Tracking Number (FTN): create one in IACRA before you schedule with PSI.
How to prepare
- ✓Regulations are the biggest share of the test — especially Part 117 flight and duty rules and Part 121 dispatch and fuel rules.
- ✓Work performance problems with the ATP testing supplement figures until they are routine.
- ✓Practice a full 125-question timed exam; stamina matters over 3.5 hours.
Frequently asked questions
How many questions are on the ATP written test?
The ATM test has 125 scored multiple-choice questions, each with three answer choices. A few extra unscored questions may be included; they don't count for or against you.
How long is the ATM test?
You have 3 hr 30 min, including time for any unscored questions.
What score do I need to pass the ATM?
70% — at least 88 of 125 correct.
How long are my ATM results valid?
A passing ATM result taken after completing the ATP CTP is valid for 60 calendar months (14 CFR 61.39).
What do I need to bring to the testing center?
A government-issued photo ID showing your date of birth, signature and address, your FAA Tracking Number (FTN) from IACRA, and your test authorization: a graduation certificate from an FAA-authorized ATP Certification Training Program (ATP CTP, 14 CFR 61.156). You cannot take the ATM test without it.
What happens if I fail?
If you fail, you can retake the test after an authorized instructor gives you additional training in the areas you missed and signs a retest endorsement (14 CFR 61.49). There is no required waiting period, but you pay the test fee again.
How much does the test cost?
The FAA says knowledge test centers charge about $175. You book and pay through PSI, the FAA’s testing provider.
Study a little every day
AeroPrep gives you three FAA-style ATM practice questions a day for free, with explanations and FAA references, plus a Logbook that shows which topics need work. Pro ($9.99/month) adds unlimited practice and unlimited timed exams.
Start free practice →Test formats are from the FAA Airman Knowledge Testing Matrix and 14 CFR Part 61. The FAA updates these from time to time, so confirm details on the current matrix before you book. AeroPrep questions are written in the style of the FAA knowledge tests; they are not actual test questions. AeroPrep is not affiliated with the FAA.