Rufo: Flieger-Englisch ICAO

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About this app

The moment you press transmit and your mind goes blank: That's exactly what Rufo is for.

Here, you practice aviation English in scenes from real-life flying situations, not in dry vocabulary lists. You hear the radio message, you reply yourself, and you immediately know if your sentence is correct. At your own pace, without the pressure of scores and without losing a streak. Rufo the fox flies with you.

ICAO LEVEL 4 IS MANDATORY
The language certificate is valid for four years, then you have to retake it. Without it, you are not allowed to use the radio in English. Rufo prepares you specifically: picture description, free speaking, and a five-question exam simulation.

YOUR RADIO COMMUNICATION, SENTENCE BY SENTENCE
From the phonetic alphabet to taxi clearance, takeoff clearance, and position reporting to a clean readback. Which letters sound almost the same on the radio and how to distinguish them. Every scene is narrated so you can hear what it sounds like instead of just reading about it.

WHEN THINGS GET SERIOUS
Properly set up MAYDAY and PAN PAN calls, practiced calmly before you need them: engine failure, radio failure, bird strike, low fuel, passenger in distress.

UNDERSTANDING THE WEATHER
Read METAR and TAF reports, assess wind and gusts, evaluate fog, thunderstorms, and icing. All the way to making an honest GO/NO-GO decision.

50 SCENES FROM THE COCKPIT
Introductory flight, flight school, preflight, weather briefing, circuit, emergency. Real phraseology, not textbook sentences.

RADIO CINEMA
Real radio dialogues to listen to, with radio sounds and accompanying narration. A completely hands-off experience—just listen and fly along.

ALSO INCLUDED

Spanish and English for everyday life: stories, audio adventures, and a repetition system that shows you weak words more often.

WHY RUFO?

• Aviation English with real phraseology
• All audio; once listened to, scenes are saved

• Usable without registration, cloud backup optional

• No ads, no profiles, no resale

• Completely free

Honest note: Rufo is a learning aid. You take the real language exam with a certified examiner.
Practice aviation English before it counts: radio communication, weather, emergencies, ICAO Level 4.
Updated on
Aug 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity
  • This app may collect these data types
    Personal info, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Behoben: Tippfehler bei der Anmeldung wurden faelschlich als Stoerung behandelt. Beim Abspielen von Audio ging die eigentliche Fehlerursache verloren, sodass Probleme schwer nachvollziehbar waren.

Abstuerze lassen sich jetzt genau zuordnen, weil die Debug-Symbole mitgeliefert werden.
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Everyone
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About the developer
DIETRICH PETERS
info@dimlab.de
Germany

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