Practise the six ICAO criteria with real ATC scenarios. AI-graded feedback after every scenario. Track your level, find your weakest criterion, fly internationally with confidence.
8 ATC scenarios
Engine fire, decompression, TCAS RA, more
AI evaluation
Score on each of the 6 ICAO criteria
Track to Level 6
Operational 4 → Extended 5 → Expert 6
Stress, rhythm, intonation
Pronunciation, stress, rhythm, and intonation are influenced by the first language but only sometimes interfer…
Grammar & sentence patterns
Basic grammatical structures and sentence patterns are used creatively and are usually well controlled. Errors…
Range and accuracy
Vocabulary range and accuracy are usually sufficient to communicate effectively on common, concrete, and work-…
Pace and continuity
Produces stretches of language at an appropriate tempo. Occasional loss of fluency on transition from rehearse…
Understanding under workload
Comprehension is mostly accurate on common, concrete, and work-related topics when the accent or variety used …
Exchanges and clarification
Responses are usually immediate, appropriate, and informative. Initiates and maintains exchanges even when dea…