Hello and welcome to the BZF radio operator's certificate exam!

We're glad you found us.

With this app, you'll learn quickly and efficiently for your BZF certificate – including all the official exam questions.

This saves you time on the theory and allows you to move on to radio communication faster.

No matter what type of aircraft you fly, a BZF certificate is often required for radio communication.

This app helps you pass the theory exam on your first try and truly understand the material.

KEY FEATURES AT A GLANCE:

• 🚫 100% ad-free
• 📴 Completely usable offline – no internet connection required
• 🎯 Start with 50 practice questions
• 🔓 Unlock all content afterward
• 💳 Pay monthly, annually, or as a one-time purchase
• 🧠 Optimal theory preparation
• 💡 Explanations for every question
• 📚 All official exam questions & answers
• ✅ Multiple-choice format
• 📝 Exam papers in the style of the real exam

👨🏼‍🎓 THEORY PREPARATION:

The app contains the official exam questions with the correct answers – in multiple-choice format, just like the real exam.

This ensures you are perfectly prepared for your BZF radio operator's certificate.

📴 OFFLINE USE:

No signal? No Wi-Fi? No problem!

The app works 100% offline – perfect for learning on the go, on the train or bus, and without using any data.

ALWAYS UNDER CONTROL IN LEARNING MODE:

Our traffic light system shows you your learning progress:

🔴 Still need to practice
🟢 Exam-ready
A smart algorithm evaluates your answers and shows you where you stand.

You can also see your learning progress at any time in clear statistics.

⏱️ READY FOR THE EXAM?

Practice with realistic exam papers under real conditions.

Your practice exam is graded like the real thing – using the official format.

This way you know exactly if you're ready for your BZF certificate.

ALL FEATURES AT A GLANCE:

• 🚫 No ads, 100% offline usable
• 📖 All officially available questions
• 🎯 Try it for free with 50 questions
• 💳 Pay monthly, annually, or as a one-time payment
• 🔍 Search function
• 💡 Explanations for every question
• ✅ Multiple-choice format
• 🚦 Traffic light system in learning mode
• 📈 Detailed statistics on learning progress
• 🗂️ Official categorization of questions
• 📝 Authentic exam papers
• ⏱️ Submission timer with official exam time
• ⭐ Highlight difficult questions
• 🔔 Optional study reminders
• 🧭 Intuitive operation
• 💬 Fast support – just write to us, we'll take care of it

About us:

We are students at TU Berlin.

Following the success of our Inland Waterways Certificate (SBF Binnen) app, we now want to help students of radio communication with air traffic control (Aeronautical Radio Operator's Certificate) quickly and easily obtain their BZF certificate.

We are continuously working on improving the app – and welcome your feedback, criticism, or rating.

Good luck with your studies and happy radio communication!

Your BZF: Aeronautical Radio Operator's Certificate Team

Please note: This app uses the question catalog of the Federal Network Agency (bundesnetzagentur.de). We are not affiliated with any government organization and are an independent company.