FAA Commercial Pilot Knowledge Test Prep
Learn the material. Pass with confidence.
Take the next step in your flying with GroundSchool Commercial Pilot. Prepare for your FAA knowledge test with actual and realistic questions, detailed, often illustrated explanations, and a polished, efficient study experience.
Select your exact test inside the app and focus on the material that applies to you.
Start here
Start studying with GroundSchool on the platform of your choice.
Buy the app for your device, or try the free Windows demonstration.
Purchases are platform-specific. App licenses are sold separately for each platform; GroundSchool Audio is a separate product. Check the selected platform’s page for its current price, included content, and terms.
Downloads and app options for all platforms
Having difficulty? Please visit our helpdesk for frequently asked questions and personalized support. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
We believe (and scientific study validates) that the interactive activity of test preparation, when combined with the sort of detailed supplementary and explanatory material that we offer, is an excellent way to thoroughly learn and internalize key aviation information.
We are test prep specialists and the experience of thousands upon thousands of pilots proves that our method works. We do not use test prep as a "hook", as some of our advertising-based competitors do, to sell you expensive but ineffective passive video-based courses and similar products that do little besides waste your time and drain your wallet.
Use our material and study hard - not just the questions and answers, but the reasoning and explanations too, and be on your way, in a highly time and cost efficient way, to knowledge test and aviation success!
One Commercial Pilot test bank. Your exact test.
The Commercial Pilot test bank covers the tests listed below. Choose the one you are taking inside the app; GroundSchool then presents the questions that apply to that test.
CAX − Commercial Pilot Airplane  | CLA − Commercial Pilot Lighter-Than-Air (Airship) | ||||
| CRH − Commercial Pilot Rotorcraft Helicopter | MCN − Military Competence Non-Category  | ||||
| CGX − Commercial Pilot Glider | MCA − Military Competence Airplane | ||||
| CRG − Commercial Pilot Rotorcraft Gyroplane | MCH − Military Competence Helicopter | ||||
| CBH − Commercial Pilot Balloon - Hot Air | CCP − Commercial Pilot Canadian Conversion (Airplane) about  | ||||
| CBG − Commercial Pilot Balloon - Gas | CCH − Commercial Pilot Canadian Conversion (Helicopter) about |
Military pilot? For preparation focused on the Military Competence Non-Category (MCN) test, see the dedicated Military Competence option. The military and Canadian symbols show the corresponding conversion paths to FAA qualifications.
Make your study time count.
Great preparation goes beyond recognizing the right answer. GroundSchool explains the reasoning behind it, so you can build knowledge that stays with you after the test.
Our detailed, often illustrated explanations are written and regularly maintained by a professional editorial team of pilot and mechanic instructors and examiners. Clear study tools help you spend your time learning the material.
- Understand the why. Work through explanations, calculations, and illustrations alongside the questions.
- Study what matters to your test. Select your exact test and focus on the relevant material.
- Prepare at your own pace. Review by subject and check your progress with practice tests.
Learn by doing.
Put your knowledge to work as you study. Answer a question, work through the explanation, and use what you have learned on the next one. You are actively practicing the material, with useful feedback at every step.
- Try the question. Apply what you know before looking at the answer.
- Understand the explanation. Follow the reasoning, illustrations, and calculations.
- Return with confidence. Review weaker subjects and check your progress in a practice test.
Explore the Commercial Pilot subjects covered
| The best way to prepare for your FAA Commercial Pilot written test is to download the GroundSchool app from above. Topics covered in the FAA Commercial Pilot test bank include: | |
Stay current with free content updates.
Preparation should keep pace with the material you need to learn. Our editorial team regularly reviews and updates the questions and explanations as FAA testing content evolves.
GroundSchool includes free lifetime content updates for your purchased test bank. Use your app’s update feature to keep your study material current.
Excellent value. No recurring subscription.
Pay for the app on your chosen platform without an ongoing GroundSchool subscription. Your purchase gives you a practical study resource you can return to when you want to review the material.
Choose your platform to see current purchasing information. Platform licenses and app-store terms apply separately.
Proven by pilots like you.
GroundSchool has helped pilots prepare for their next step in aviation for over 29 years. Here are a few of the genuine comments shared by Commercial Pilot users. 100% real user feedback. Comments describe individual experiences; the stars are decorative.
“The new explanations are a great help... I ended up getting a 100%.”
— LR (COM/Comm/CFI)
“I am very satisfied with the results (and cost) of your product.”
— JP (Private / COM / Comm)
“I purchased my Private Pilot test, then my Instrument, and then my Commercial, and they all helped me more than anything else I studied!!”
— KD (PP/COM/Comm and now CFI/FOI)
More feedback from Commercial Pilot users
“100%!”
— PM (Comm/CFI)
“I just crammed one night using your app and took the test the next day and got a 92.”
— GM (Comm)
“used your app for a week a few hours at a time... no sweat... The test took 50 minutes ... 96%”
— RS (Comm)
Read more feedback from GroundSchool and other Dauntless users
Study tools that work the way you do.
A polished, efficient user experience makes it easier to concentrate on learning. The interactive GroundSchool apps combine the content you need with practical ways to study it.
Questions for your exact test
Choose your test and study the applicable questions, with detailed explanations to help you understand each answer.
Charts and figures included
Open the reference material alongside your questions, so you can work through the details as you study.
Flexible study and practice
Use subject review, customizable study modes, and unlimited practice tests to prepare in a way that works for you.
Useful tools for review
Flag questions, search the material, and use the integrated aviation glossary to revisit areas that need more attention.
Connect with your instructor or school.
After a study session, choose to report your progress to TestPrepStatus. See charts of your progress, identify the subjects that need attention, and make your next study session count.
Invite your instructor, flight school, mechanic school, mentor, parent, or study partner to follow your progress. InstructorLink helps you share a clear picture of how your preparation is going.
TestPrepStatus is free for you and your instructor.
Explore TestPrepStatus
Frequently Asked Questions
Which Commercial Pilot test should I select?
Choose the test code that matches the FAA test you plan to take. The included-test list above shows the Commercial Pilot, conversion, and military-competence content in this test bank. Inside the app, selecting your exact test filters the study material accordingly.
Does one purchase cover every platform?
No. GroundSchool is licensed separately for each platform. A Windows purchase does not include the Mac, iPhone/iPad, or Android app. GroundSchool Audio is also a separate product. Use the platform choices above to review the relevant purchase terms.
Are content updates included?
Yes. GroundSchool includes free lifetime content updates for your purchased app test bank. Keep your material current using the update options provided in your version of the app.
Can I prepare for military competence?
The Commercial Pilot bank includes the military-competence entries shown in the test list. If you need preparation specifically for Military Competence Non-Category (MCN), see the dedicated Military Competence page.
Where can I get help choosing, installing, or using the app?
Visit the GroundSchool helpdesk for frequently asked questions and personalized support. You can also view the download and installation help video.
Picture your next milestone.
Prepare with purpose, then walk into your Commercial Pilot knowledge test with confidence.
11/9/2026
Commercial Pilot Airplane (CAX)
11/30/2028
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Illustrative sample report for Commercial Pilot Airplane (CAX).