EASA · Remote pilot training
How A2STS Drone Exam Preparation Works
A2STS is an EASA-aligned drone exam preparation platform for the EU open and specific categories - A1/A3, A2 and STS - with realistic simulations and structured learning.
Aligned with EU EASA regulations (2019/947 & 2019/945)
Four steps to exam-ready
A clear path from your first login to a confident NAA sitting.
- 1
Choose your certification path
- A1/A3 - EU open-category foundation (start here)
- A2 - fly closer to uninvolved people in open category
- STS - Standard Scenarios for professional operations
Typical progression: A1/A3 → A2 → STS. Renewal exams follow every 5 years.
- 2
Learn with real exam simulation
- EASA-style multiple-choice questions
- Air law, safety, operations and meteorology (by level)
- Difficulty matched to official NAA exams
- 3
Adaptive learning system
- Mistake tracking with explanations
- Weak topic detection per syllabus area
- Progress scoring across learning and test modes
- 4
Mock exams
- Timed simulation with real exam question counts
- 75% pass threshold - same logic as NAA sittings
- Exam-day pacing and focus training
Ready to practise?
Create a free account and start A1/A3, or unlock A2 and STS simulators when you need them.
Why pilots use A2STS
The problem we solve
- Outdated PDFs and fragmented blogs that do not match current EU rules
- No structured path across A1/A3, A2 and STS in one place
- Practice tests that feel nothing like the real EASA drone exam
What you get
- EASA-aligned question system mapped to NAA exam formats
- Structured learning path from foundation to STS
- Faster preparation - most users exam-ready in 3-14 days of focused practice
Supported exams
Jump to the guide for your qualification level.
A1/A3 Exam
Basic EU drone licence - open category entry level. Free learning base.
Start A1/A3 training →A2 Exam
Advanced operations near people - open subcategory A2.
Advanced A2 certification →STS Exam
Professional Standard Scenarios - specific category.
STS professional training →Renewal
Certificate validity extension - typically every 5 years.
Renewal exam formats →Who is A2STS for?
Built for EU remote pilots at every stage.
- Drone beginners in the EU learning open-category rules
- Commercial drone pilots upgrading to A2 or STS
- Inspection and surveying operators
- Photographers and videographers
- UAV professionals and fleet trainers
Start preparing for your drone exam today
Most users prepare in 3-14 days
A2STS is a preparation platform only. We do not issue certificates - your National Aviation Authority delivers the official EASA drone exam.
Frequently asked questions
- What is A2STS?
- A2STS is a European drone exam preparation platform with EASA-style questions, topic learning, mistake review and full timed mock exams for A1/A3, A2 and STS.
- Is this an official EASA exam site?
- No. A2STS helps you study and simulate exams. Only your National Aviation Authority can deliver and certify the official test.
- How long does preparation take?
- Many users reach a stable mock-exam score in 3-14 days of focused practice. A2 and STS usually need longer than A1/A3.
- Do I need A1/A3 before A2?
- Yes - EU rules expect open-category progression. Complete A1/A3 competency before booking A2 with your NAA.
- Is the exam online?
- A1/A3 is often online through the NAA portal. A2 and STS theoretical exams are usually in-person at the NAA - check your country.