Radio communication takes speaking practice.
Practice radio exchanges and get direct feedback on your readback.
Practical preparation for BZF I, BZF II, BZF E, and ICAO Language Proficiency
Speaking practice
Theory alone does not prepare you for a radio exchange
Knowing the phraseology and being able to communicate it two different skills.
Speaking takes repetition
Question banks and vocabulary lists teach the rules. The practical part also requires you to hear, process, and read back instructions correctly.
Practice between lessons
Instructor-led training remains important, but it is not always available. With roger., you can practise independently between lessons.
Review mistakes straight away
After each readback, you can see which required details were correct and what is worth practising again.
Try it out
Your first radio call
This is the feedback you get on a task, in the app you also practice with real voice input.
3 Steps
Listen. Respond. Learn.
Listen to the instruction
The controller voice is played with a radio filter, helping you practise understanding radio calls clearly.
Give your readback
Speak or type your response. What matters is that your readback is complete and unambiguous.
Review the result
The feedback shows which expected elements were recognised and where your response differs.
FAQ
Frequently asked questions
What exams does roger. prepare for?
BZF I (German and English), BZF II (German), BZF E (English), and ICAO Language Proficiency.
How does the voice training work?
You listen to ATC instructions with a realistic radio filter, enter your readback, and get instant feedback: element by element.
Can I use roger. on my phone?
Yes. roger. is a web app that works on any device with a modern browser: phone, tablet, desktop.
How is roger. different from a course?
roger. does not replace instruction or feedback from a flight instructor. It provides additional, repeatable speaking practice between lessons.
Product basis
What the exercises are built on
Grounded in expertise
We work with partners from online pilot training, and flight instructors and examiners on our team ensure every exercise is professionally accurate.
Focused on BZF
24 modules combine theory, official question-bank practice, and practical readback exercises for German radio certificates.
Hosted in Germany
The application runs on servers in Germany. Our privacy policy explains how data is processed.