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FAQ > GroundSchool FAA Knowledge Test Prep
Which FAA Tests Can I study For? How Many questions are there?

GroundSchool is organized into individual product titles, and each title includes the related FAA knowledge tests that belong naturally together.

For example, our GroundSchool FAA Private Pilot apps include preparation for tests such as Private Pilot Airplane, Private Pilot Helicopter, Private Pilot Glider, and several others.

Some questions within a product title apply to several different tests, while others apply only to one specific test. GroundSchool handles all of that filtering for you.

When you start one of our products, simply select the exact FAA test you want to prepare for. GroundSchool then presents you with only the questions our editors have determined apply to that particular test, nothing less and nothing more.

This saves you from wasting study time on large numbers of questions intended for some other certificate, rating, or aircraft category.

Most people will only take one of the individual tests within a particular product group. For example, you might prepare for Private Pilot Helicopter and never need Private Pilot Glider, or vice versa.

There are exceptions. Flight instructor candidates, for example, may need to prepare for both a flight instructor knowledge test and the FOI (Fundamentals of Instructing) test.

Creating a completely separate product for every individual FAA test would add unnecessary complexity. Instead, we group closely related tests together for convenience and value. Once you own a GroundSchool title, you can switch among the included tests whenever you like.

What about Audio Mode?

Many GroundSchool FAA knowledge-test prep titles also offer an optional Audio Mode, available as a separate purchase where supported.

In Audio Mode, questions and answers are read aloud by a real human narrator. This can be an extremely useful supplement to your regular study, particularly when you want to review material while driving, exercising, commuting, or at other times when sitting in front of a screen is inconvenient.

Audio Mode does not include every question in a given test bank. Questions with substantial visual, chart-based, or calculation-based content are generally not suitable for audio-only presentation and are therefore omitted.

Audio Mode also generally does not include the detailed explanations that form such an important part of GroundSchool. For that reason, Audio Mode should be treated as a supplement to your regular visual study, not as a replacement for it.

The detailed explanations in GroundSchool help you understand the underlying material so that you are better prepared for new, unfamiliar, or differently worded FAA questions. Audio Mode, by contrast, is particularly effective for reinforcing familiarity with questions and answers that lend themselves well to listening.

Many customers tell us they love Audio Mode and find that it lets them turn otherwise unused time into productive study time.

Be skeptical of test-prep products that focus heavily on how few questions they claim you need to study, or that promote supposed shortcuts based on memorizing keywords or other test-taking tricks.

The FAA is well aware of simple memorization strategies and can vary wording, values, answer choices, and question presentation specifically in ways that reward genuine understanding rather than recognition of a memorized pattern.

Your goal should not simply be to scrape through a knowledge test. You should come out of the process a more knowledgeable, capable, and safe pilot, mechanic, or instructor.

GroundSchool combines realistic question banks with best-in-the-business explanations and supporting material designed to help you actually understand the subjects being tested.

This matters beyond the written test as well. Examiners expect applicants to demonstrate real knowledge, not simply the ability to recognize memorized answers.

There is no magic shortcut to learning the material. What GroundSchool does provide is a fast, polished, and highly efficient way to do that legitimate learning.

Our results speak for themselves. For decades, the overwhelming majority of GroundSchool users have successfully passed their FAA knowledge tests, and leading aviation schools and training organizations continue to rely on our products for test preparation.

The table below shows the current number of questions by GroundSchool title, individual FAA test, and Audio Mode where available.

These totals change regularly as our editorial team updates and maintains the material.

Total Questions: 14258 (11164 in audio version)

Recreational and Private Pilot (PVT) : 1681 (1306 in audio version)
  • Private Pilot Airplane : 1231 (936 in audio version)
  • Private Pilot Rotorcraft Helicopter : 1060 (818 in audio version)
  • Private Pilot Glider : 915 (699 in audio version)
  • Private Pilot Balloon - Hot Air : 712 (558 in audio version)
  • Private Pilot Balloon - Gas : 687 (535 in audio version)
  • Private Pilot Lighter-Than-Air (Airship) : 743 (572 in audio version)
  • Private Pilot Rotorcraft Gyroplane : 1062 (804 in audio version)
  • Private Pilot Airplane/Recreational Pilot - Transition : 1182 (897 in audio version)
  • Private Pilot Helicopter/Rec. Pilot - Transition : 1043 (804 in audio version)
  • Private Pilot Gyroplane/Recreational Pilot - Transition : 1046 (790 in audio version)
  • Recreational Pilot Airplane : 1234 (944 in audio version)
  • Recreational Pilot Helicopter : 1078 (839 in audio version)
  • Recreational Pilot Gyroplane : 1085 (828 in audio version)
  • Private Pilot Powered Parachute : 807 (631 in audio version)
  • Private Pilot Weight Shift Control : 859 (672 in audio version)
  • Private Pilot Canadian Conversion (Airplane) : 646 (530 in audio version)
  • Private Pilot Canadian Conversion (Helicopter) : 617 (505 in audio version)
  • Private Pilot EU Part - FCL Conversion (Airplane) : 650 (534 in audio version)
Instrument Rating (IFR) : 1513 (1057 in audio version)
  • Instrument Rating Airplane : 1428 (994 in audio version)
  • Instrument Rating Helicopter : 1274 (870 in audio version)
  • Flight Instructor Instrument (CFII) Airplane : 1448 (1013 in audio version)
  • Flight Instructor Instrument (CFII) Airplane (added rating) : 1435 (1008 in audio version)
  • Flight Instructor Instrument (CFII) Helicopter : 1306 (897 in audio version)
  • Flight Instructor Instrument (CFII) Helicopter (added rating) : 1271 (878 in audio version)
  • Ground Instructor Instrument : 1411 (976 in audio version)
  • Instrument Rating Foreign Pilot : 1268 (861 in audio version)
  • Instrument Rating Canadian Conversion (Airplane) : 920 (609 in audio version)
  • Instrument Rating Canadian Conversion (Helicopter) : 849 (540 in audio version)
  • Instrument Rating EU Part - FCL Conversion (Airplane) : 923 (612 in audio version)
Commercial Pilot (COM) : 2276 (2004 in audio version)
  • Commercial Pilot Airplane : 1269 (1059 in audio version)
  • Commercial Pilot Rotorcraft Helicopter : 951 (835 in audio version)
  • Commercial Pilot Glider : 767 (672 in audio version)
  • Commercial Pilot Rotorcraft Gyroplane : 830 (716 in audio version)
  • Commercial Pilot Balloon - Hot Air : 1116 (1044 in audio version)
  • Commercial Pilot Balloon - Gas : 1099 (1025 in audio version)
  • Commercial Pilot Lighter-Than-Air (Airship) : 1165 (1073 in audio version)
  • Military Competence Non-Category : 462 (401 in audio version)
  • Military Competence Airplane : 769 (687 in audio version)
  • Military Competence Helicopter : 568 (503 in audio version)
  • Commercial Pilot Canadian Conversion (Airplane) : 713 (620 in audio version)
  • Commercial Pilot Canadian Conversion (Helicopter) : 585 (504 in audio version)
Flight and Ground Instructor (CFI) : 2736 (2396 in audio version)
  • Flight Instructor Airplane : 1583 (1281 in audio version)
  • Flight Instructor Airplane (added rating) : 1560 (1271 in audio version)
  • Flight Instructor Rotorcraft Helicopter : 1209 (995 in audio version)
  • Flight Instructor Helicopter (added rating) : 1077 (894 in audio version)
  • Flight Instructor Glider (added rating) : 1054 (850 in audio version)
  • Flight Instructor Glider : 1084 (856 in audio version)
  • Flight Instructor Rotorcraft Gyroplane : 1138 (898 in audio version)
  • Flight Instructor Gyroplane (added rating) : 1014 (807 in audio version)
  • Ground Instructor Basic : 1444 (1150 in audio version)
  • Ground Instructor Advanced : 1474 (1179 in audio version)
  • Fundamentals of Instruction : 531 (519 in audio version)
  • Military Competence - Instructor : 1252 (1205 in audio version)
Airline Transport Pilot (ATP) : 3826 (2679 in audio version)
  • Airline Transport Pilot Multiengine Airplane : 2649 (1910 in audio version)
  • Airline Transport Pilot Single Engine Airplane : 2565 (1833 in audio version)
  • Airline Transport Pilot Helicopter : 1197 (893 in audio version)
  • Airline Transport Pilot Helicopter (Added Rating) : 1188 (885 in audio version)
  • Aircraft Dispatcher : 1826 (1242 in audio version)
  • Airline Transport Pilot Airplane (121 and ATM) : 2889 (1900 in audio version)
  • Airline Transport Pilot Airplane (135) : 2800 (1822 in audio version)
  • Airline Transport Pilot Airplane (135) (Added Rating) : 2732 (1808 in audio version)
  • Airline Transport Pilot Canadian Conversion Airplane : 1769 (1328 in audio version)
  • Airline Transport Pilot Canadian Conversion Multiengine Airplane : 1830 (1368 in audio version)
  • Airline Transport Pilot Canadian Conversion Single-engine Airplane : 2078 (1504 in audio version)
  • Airline Transport Pilot Canadian Conversion Helicoper : 698 (578 in audio version)
  • Control Tower Operator : 550 (549 in audio version)
Flight Engineer (FLE) : 890 (649 in audio version)
  • Flight Engineer Turbojet/Basic : 753 (560 in audio version)
  • Flight Engineer Turboprop/Basic : 724 (538 in audio version)
  • Flight Engineer Reciprocating Engine/Basic : 646 (508 in audio version)
  • Flight Engineer Turbojet (added rating) : 754 (560 in audio version)
  • Flight Engineer Turboprop (added rating) : 721 (535 in audio version)
  • Flight Engineer Reciprocating Engine (added rating) : 639 (503 in audio version)
Aviation Mechanic - General (AMG) : 874 (681 in audio version)
  • Aviation Mechanic General : 874 (681 in audio version)
  • Designated Mechanic Examiner : 805 (622 in audio version)
Aviation Mechanic - Airframe (AMA) : 1232 (1170 in audio version)
Aviation Mechanic - Powerplant (AMP) : 1120 (1092 in audio version)
Parachute Rigger (PAR) : 337 (309 in audio version)
  • Parachute Rigger Senior : 329 (301 in audio version)
  • Parachute Rigger Master : 311 (283 in audio version)
  • Parachute Rigger Military Competence : 334 (306 in audio version)
  • Designated Parachute Rigger Examiner : 334 (306 in audio version)
Sport Pilot - General (SPG) : 1359 (1065 in audio version)
  • Sport Pilot General : 684 (540 in audio version)
  • Sport Pilot Airplane : 1026 (797 in audio version)
  • Sport Pilot Glider : 850 (673 in audio version)
  • Sport Pilot Gyroplane : 914 (711 in audio version)
  • Sport Pilot Powered Parachute : 687 (552 in audio version)
  • Sport Pilot Weight-Shift-Control : 738 (591 in audio version)
  • Sport Pilot Lighter-Than-Air (Balloon) : 704 (565 in audio version)
  • Sport Pilot Lighter-Than-Air (Airship) : 710 (571 in audio version)
Sport Pilot - Instructor and Examiner (SPI) : 1911 (1743 in audio version)
  • Flight Instructor Sport Airplane : 1037 (900 in audio version)
  • Flight Instructor Sport Balloon : 652 (581 in audio version)
  • Flight Instructor Sport Glider : 882 (772 in audio version)
  • Flight Instructor Sport Lighter-than-Air : 678 (600 in audio version)
  • Flight Instructor Sport Powered Parachute : 662 (591 in audio version)
  • Flight Instructor Sport Weight-Shift-Control : 739 (650 in audio version)
  • Flight Instructor Sport Gyroplane : 886 (784 in audio version)
  • Pilot Examiner Sport Airplane : 1032 (897 in audio version)
  • Pilot Examiner Sport Balloon : 684 (613 in audio version)
  • Pilot Examiner Sport Glider : 883 (773 in audio version)
  • Pilot Examiner Sport Lighter-than-Air : 712 (634 in audio version)
  • Pilot Examiner Sport Powered Parachute : 673 (602 in audio version)
  • Pilot Examiner Sport Weight-Shift-Control : 736 (647 in audio version)
  • Pilot Examiner Sport Gyroplane : 885 (783 in audio version)
  • Fundamentals of Instruction : 531 (519 in audio version)
Remote / Drone Pilot (RDP) : 786 (693 in audio version)
  • Small UAS Remote Pilot in Command (Initial) : 786 (693 in audio version)
  • Small UAS Remote Pilot in Command (Recurrent) : 637 (566 in audio version)

If the totals shown above do not match what you see inside your GroundSchool app, check the following:

  • First, use the update feature from the GroundSchool main menu to make sure your installed learning content is current. Check for updates regularly while studying.
  • Make sure you do not have any filtering options enabled that would reduce the number of questions being displayed. For example:
    • Make sure all chapters or study areas are selected.
    • Make sure all Question Stacks are selected.
    • Make sure there is no search term entered in the search box.
    • Check any other active filters that may limit the displayed question set.
Not sure which FAA knowledge test you should be studying for?

GroundSchool can help you prepare for nearly every major FAA knowledge test, but we cannot provide individualized career, certification, or legal guidance about which test you personally should take.

  • Speaking generally, many people begin their aviation training with the Private Pilot knowledge test for the aircraft category they intend to fly, such as Private Pilot Airplane. If your goal is to become a pilot, that is often where the process begins, and you can start studying even before beginning formal flight training if you wish.
  • If you are a Canadian pilot converting a Transport Canada certificate or rating to an FAA equivalent, please see our separate information on Canadian-to-FAA conversion preparation.
  • If you are unsure which test applies to your particular combination of experience, certificates, ratings, or career goals, consult a qualified instructor or contact the FAA directly.

For an authoritative answer, your local FAA Flight Standards District Office (FSDO) is an excellent source. FAA personnel can give you official guidance based on your individual circumstances, which is preferable to relying on any private company for licensing advice.

It is vitally important that, as soon as you install GroundSchool, the very first thing you do is start the app and select "Check for Updates" (or the equivalent option) from the main menu. This updates your learning content to the latest available version. It is particularly important for mobile versions of the app. Our editorial team continuously reviews and updates GroundSchool throughout 2026, 2027, and beyond, so check for updates regularly while you study.
Related Issues
Military Competence (Military to Civilian) Test Prep
Instructor Add-On / Added Rating Tests
Instrument Flight Instructor (CFII) and Ground Instructor (IGI)?
FAA Flight Engineer Test
Sport Pilot, Sport Pilot Instructor (Sport-CFI), Sport Pilot Examiner
Which ATP Test?
Switching between tests or test groups
Converting Transport Canada Pilot Licenses to USA/FAA or vice versa