The AT-SAT (Air Traffic Selection and Training assessment) is the FAA’s aptitude test for ATC applicants. Your score on it gates everything else: only Best Qualified candidates move to the Tentative Offer Letter pool, and the cutoff moves with each hiring window.
The test is computer-administered, takes about eight hours, and measures attention, working memory, spatial reasoning, and decision-making under load. It does not test ATC knowledge — you’re not expected to know the .65 yet.
Section breakdown
The AT-SAT bundles roughly seven subtests. The exact mix has shifted over the years; here are the pieces you’ll recognize on test day.
- Air Traffic Scenarios. A simulated radar environment where you sequence aircraft, separate traffic, and respond to events. The most ATC-shaped section.
- Letter Factory. Pure working-memory load under time pressure. Fill orders by routing letters of specific colors / sizes. Trains decision speed, not depth.
- Dial Reading. Read instrument-style dials quickly and accurately. Spatial perception and speed.
- Applied Math. Word problems with time, distance, and rate. Practice mental arithmetic — closed-book.
- Analogies. Verbal pattern recognition.
- Personality / Experience. Behavioral inventory; not pass/fail but feeds the composite.
What to drill
Mental math. Time-distance-rate problems show up everywhere. Practice in your head, no calculator: an aircraft at 120 knots covering 30 NM, how long? Four hundred knots from 80 NM out, when does it cross the fix?
Dual-task focus. The scenarios section is hard because you’re tracking multiple things at once. Practice with anything that splits attention — driving while listening to a podcast you actually have to follow, juggling, dual-N-back apps.
Working memory. Letter Factory rewards holding and updating a small set of facts under time pressure. Card games like 7’s and N-back drills both train this.
Score bands
Your composite is reported in three bands: Best Qualified, Qualified, Not Referred. Only Best Qualified candidates are considered for TOLs in current hiring windows. The threshold floats — historically around 85 — but the FAA doesn’t publish the exact cutoff.
If you don’t make Best Qualified on a first attempt, you can re-test, but there’s a waiting period and the score doesn’t average — your latest attempt is what counts. Walk in prepared the first time.
The week before
Two things matter more than last-minute drilling: sleep (90+ minutes more than your usual two nights running) and a clear head. Stress meaningfully degrades working memory and that section of the test gets disproportionately harder when you’re anxious. If you’ve drilled for three months and you’re still nervous, lean into the prep and trust it on the day.