We created this platform to give aspiring air traffic controllers free, modern prep tools for the AT-SA. Whether or not you use other resources, we think being able to measure yourself against your peers is one of the most powerful ways to improve.
Practice the most important section of the AT-SA with realistic multitasking simulations.
Build fluency with numbers, variables, and mental tracking — just like on test day.
Access new test sections and study tools as we expand our free prep materials.
Join the ATC Hiring & Academy Discord group. We're not affiliated, but our resource is linked in the FAQs. I'm happy to answer questions — you can find me there as mbx.169.
Join the DiscordInteractive practice tests tailored to mimic the actual exam.
Detailed feedback and analytics to track your progress.
Expert guidance and tips to maximize your score.
The Air Traffic Skills Assessment (AT-SA) is a required aptitude test for aspiring air traffic controllers. While it's officially pass/fail, your score is ranked into bands—higher bands mean a better shot at getting hired.
Recall numbers and variables quickly and accurately.
Determine aircraft positions from various perspectives.
Prevent collisions while juggling mental math.
Solve logic puzzles and comprehend short passages.
Choose responses that reflect your work style.
2 hours 49 minutes (plus optional breaks)
Free (FAA covers it)
You’re placed in a hiring band, not given a score
Don’t overdo the math — avoid collisions first