How Hard Is It to Become an Air Traffic Controller? Pass Rates & Why People Fail
An honest look at how competitive NATS air traffic controller selection really is — the four assessment stages, realistic pass rates, the most common reasons candidates fail, and how to improve your odds.
Becoming an air traffic controller is widely regarded as one of the toughest selection processes in UK employment — not because of academic difficulty, but because of how few applicants have the specific cognitive aptitudes the role demands. This guide gives you an honest picture of just how competitive it is, where people fall down, and how to give yourself the best possible chance.
Just How Competitive Is It?
Very. NATS doesn't publish pass rates, but trainee places are limited, you must pass four separate stages, and the process is deliberately rigorous because the role carries direct responsibility for public safety.
Stage 1, the online aptitude tests, is the first filter everyone faces. Preparation doesn't guarantee success, but getting familiar with the kinds of tasks involved means less of your attention goes on working out what to do on the day.
The Four Stages of NATS Selection
Why Most People Fail at Stage 1
Common reasons candidates struggle at Stage 1 (our NATS aptitude test guide breaks down each test and how to practise it):
The Stage 3 Re-Test Trap
A point that catches people out: at the Stage 3 assessment centre you re-sit the earlier aptitude tests while being observed. This is designed to confirm your Stage 1 scores were genuine. It means there is no point getting help or fluking your way through Stage 1 — you have to be reliably good. The candidates who pass are the ones whose ability is consistent under scrutiny, which only comes from genuine practice.
How to Improve Your Odds
You cannot change your raw aptitude overnight, but you can dramatically improve your performance by removing every avoidable disadvantage:
You can try our practice tests for free to see where you stand, and read our detailed guides to the Stage 1 aptitude battery and the assessment centre. If you are still checking whether you qualify at all, start with the air traffic controller requirements.
The Honest Bottom Line
It is hard, and there are no shortcuts. But much of the difficulty is in aptitude tests whose kinds of tasks you can practise, so targeted preparation is worth the time.
Frequently asked questions
How hard is it to become an air traffic controller in the UK?+
It's competitive: trainee places are limited and you must pass four stages. NATS doesn't publish pass rates. The main hurdles are the aptitude tests rather than academic requirements — you need five GCSEs including English and Maths, not a degree.
What is the pass rate for the NATS air traffic controller selection?+
NATS doesn't publish a pass rate. Stage 1, the online aptitude tests, is the first filter every applicant faces.
Why do most people fail the NATS air traffic controller tests?+
Most candidates fail at Stage 1 because they underestimate the tests, aren't used to the kinds of tasks involved (spatial reasoning and fast, time-pressured tasks are unlike normal education or work), and run out of time. The tests reward speed as well as accuracy.
How many stages are there in NATS air traffic controller selection?+
Four. Stage 1 is the online aptitude test battery, Stage 2 is a situational judgement and listening test, Stage 3 is a virtual assessment centre including an interview and an observed re-test of the aptitude tests, and Stage 4 is a practical exercise leading to a conditional offer.
Can you retake the NATS aptitude tests?+
You re-sit the aptitude tests at the Stage 3 assessment centre while being observed, which is designed to confirm your Stage 1 scores were genuine. This means consistent, practised ability matters more than a single lucky run.
Ready to practice?
10 original timed practice tests covering common ATC aptitude abilities. One payment, unlimited attempts, access forever.