01/02/2026 · 12 min read

STS mock exams: how to practise effectively

STS is the longest standard drone theory exam. Mock exams in the 60-question format are essential.

1. Why mock exams are critical

The STS test is large in scope, so mock attempts let you check in advance not only your knowledge but your concentration stamina. That is hard to do by reading theory alone.

Full timed sessions reveal at which stage your accuracy starts to drop. You can then correct your strategy in a targeted way.

2. How to model 60/60 correctly

A mock exam should match the official conditions as closely as possible: 60 questions, 60 minutes, no breaks. Only this mode gives a true picture of your readiness.

While solving, stick to a planned pace and don't get stuck on a single question. A controlled rhythm is the most important factor.

3. What to analyse after each attempt

A percentage alone is not enough — you need to break mistakes down by topic and question type. This tells you whether the problem is theory or time management.

A2STS explanations help you understand why a specific choice is wrong, and protect you from repeating the same pattern in the next attempt.

4. A progress cycle over several weeks

First, do shorter thematic blocks, then move to full attempts every few days. This way growth is steady, without burnout.

Once results are consistently above 80%, you can plan your official exam date. What matters is repeatable stability, not a single record.

5. What to do after you pass

After passing STS, maintain your theory with periodic reviews. This keeps you ready for more demanding commercial scenarios.

When planning your qualification, keep the 5-year cycle in mind so you don't have to prepare for renewal at the last minute.