AI ground school for the FAA knowledge test

Master every topic on your FAA knowledge test.

Take any ground school course you like. KTR Helper turns the official ACS into your study plan, teaches each topic with an AI tutor that cites the FAA handbooks, and proves you know it with practice questions and mock exams. After the test, your knowledge test report refocuses the plan for the checkride.

Start studying free Find your test

Knowledge tests: 29
ACS elements: 18,015
FAA publications: 69
Indexed passages: 15,231

Already took the test?

Decode your knowledge test report. No account needed. How to read ACS codes

Your ground school teaches it. We help you master it.

KTR Helper works alongside the course you choose, from your first lesson to the checkride.

Step 1
Pick a ground school
Learn the material from any online course. We show you every option for your test.
Step 2
Get your study plan
Every topic the FAA can test you on, straight from the official ACS, with your progress on each.
Step 3
Master each topic
An AI tutor that cites the FAA handbooks, practice questions, and timed mock exams.
Step 4
Add your test report
After the test, your KTR moves the codes you missed to the top of the plan for the checkride.

Everything you need to pass

AI ground instructor

Ask anything in plain language. Answers come from the FAA handbooks, the AIM, and 14 CFR, with the page cited.

Practice questions

FAA-style three-choice questions for every ACS element, with explanations and spaced repetition.

Timed mock exams

Full-length or quick practice tests weighted across the ACS like the real exam, ending in a simulated KTR.

Test figure practice

All 597 figures from the FAA testing supplements: sectionals, weather, performance charts, approach plates.

KTR decoder

Paste your knowledge test report and see exactly which ACS elements you missed and where to study them.

Official FAA library

Handbooks, the AIM, advisory circulars, regulations, and every ACS, searchable down to the page.

Practice tests and study plans

Free for every FAA knowledge test, with a comparison of ground school courses.

All 29 tests