EASA STS preparation

EASA STS visual lessons and free example

Explore 40 STS lessons, see the syllabus subjects and try an interactive explanation before starting the course.

By Airspace School · Information checked 16 October 2026

Understand the subject before practising it

Learn combines a meaningful visual with short explanations and a sequence of teaching stages. The STS course has 40 lessons. Try the free lesson: flight geography and contingency volume.

A three-dimensional teaching scene showing the flight geography and surrounding contingency volume.

Subjects you will study

Aviation regulations
Human performance limitations
Operational procedures
Technical and operational mitigations for ground risk
UAS general knowledge
Meteorology
UAS flight performance
Technical and operational mitigations for air risk

Read what each subject covers and follow the study plan.

Connect the lesson to practice

First describe what the visual shows. Then answer the lesson check without looking up the answer. Revisit the explanation when you guessed or misunderstood a condition. Use Practice for further questions and Mocks later for a complete timed attempt.