UK PPL Theory Exams: The Complete 2026 Guide

To get a UK PPL(A) you pass nine multiple-choice theory exams, each with a 75% pass mark, sat on a computer at your flying school through the CAA's e-Exams system. You have 18 months from your first attempt to pass all nine, four attempts per exam, and your passes stay valid for 24 months.

I failed my first PPL theory exam. Air Law, first attempt, gone.

Not because I didn't study. Because I studied wrong. I sat down with hundreds of pages of material, read them the way you read a novel, and walked into a computer terminal at my flying school feeling vaguely prepared. Vaguely prepared scores you vaguely 70%, and the pass mark is 75.

So this is the guide I wish someone had handed me on day one. Everything about the nine UK PPL theory exams, checked against the actual regulations, not against what someone's instructor said in 2019. The rules changed more recently than most websites have noticed.

The nine exams

To get a UK PPL(A) you pass nine written exams. All multiple choice, all on a computer at your flying school, all with a pass mark of 75%. No negative marking, so never leave a question blank.

Notice the time per question. Communications gives you 100 seconds a question. Navigation gives you nearly four minutes, and you will use them, because Navigation questions involve a chart, a whizz wheel and actual maths.

How the exams actually work in 2026

Paper exams are gone. Every exam is sat through the CAA's e-Exams system, on a computer at your training organisation, invigilated by an authorised ground examiner. You register once on the CAA customer portal before your first exam, and you link your account to your school.

Here's the part nobody tells you: you cannot book your own exam. Your school books it for you, and legally they can only put you forward once they're satisfied you're ready. That sign-off is a real regulatory requirement, not the school being precious. Once booked, you have 90 days to sit it.

When you finish, the result appears in your portal. If you fail, you get something called a Knowledge Deficiency Report. It doesn't show you the questions you got wrong; it shows the syllabus areas you got wrong. Take it seriously. It's the exam telling you exactly what to revise.

The rules that actually matter

There are three clocks running, and misunderstanding them causes real pain.

The 18-month window. From the end of the calendar month of your first exam attempt, you have 18 months to pass all nine. Sit Air Law in March, and everything must be done by the end of September the following year.

Four attempts per exam. You get four goes at each subject. Fail one exam four times, or run out of the 18 months, and the consequence is brutal: you retake all nine, after further training at your school. You'll see a lot of websites quoting a "six sittings" rule for the PPL. That rule applies to professional licence exams, not to the PPL. The regulation for private pilots is 18 months and four attempts per subject, full stop.

The 24-month validity. Once you pass your final exam, your theory is valid for 24 months. Your skills test and licence application have to happen inside that window, or you're resitting exams you already passed. This catches people. Smashing out all nine exams in your first winter feels productive, but if your flying then drags for two years, the clock beats you. Pace the exams against your flying, not ahead of it. For how long the flying side really takes, see how long a UK PPL takes.

What they cost

The CAA charges your school about £14 per paper. What you pay is set by the school, and it's typically £30 to £56 per exam. Budget roughly £300 to £450 for all nine, first time. Every resit is the same fee again, which is the cheapest motivation you'll ever buy.

What order to sit them

Air Law almost always comes first. Not because the CAA says so, because your school does: nearly every UK flying school requires Air Law passed before they'll send you on your first solo. It's a policy, not a law, but knowing the rules of the air before you're alone in the air is reasonable.

After that, batch them. Every trip to the exam centre costs you a morning, so sitting two or three related exams together saves time and keeps the overlapping material fresh. This is the order the Aviari 12-week plan uses, four sittings, each ending with the exams on a Sunday:

Each sitting works through its subjects back to back, then two days of mock exams and your pain list (the questions you keep getting wrong), then the exams. Air Law and Operational Procedures share a lot of rules and procedures. Principles of Flight and Aircraft General Knowledge are the same flavour of technical. Navigation and Flight Performance & Planning both lean on charts and calculations, and make far more sense once you've started cross-country flying.

For the full detail on the first exam, including its syllabus and free sample questions, see the PPL Air Law exam guide.

The short version

Nine exams, 75% to pass, sat at your school through the CAA's system. Eighteen months from your first attempt to your last pass, four attempts per subject, and 24 months from your final pass to get the licence done. £300 to £450 all in if you pass everything first time.

Passing them first time isn't about being clever. It's about doing questions instead of reading pages. I learned that the expensive way, so you don't have to.

Every claim in this guide was checked against the CAA's published rules and the retained UK regulation (FCL.025) in September 2026. If a school tells you something different, ask them to show you the reference.