Reaching ICAO Level 4, 5, or 6 is a major milestone for every aviation professional — whether you’re a pilot, air traffic controller, or flight operations specialist.These levels demonstrate your ability to communicate clearly, safely, and confidently in international aviation environments. With the CaptainPilot AI-powered training system, success is not left to chance — it’s structured, measurable, and achievable.

📝 CaptainPilot AI Proficiency Test: Sections and Examples The AI-powered ICAO English proficiency test designed by CaptainPilot evaluates candidates based on the six ICAO language skill areas: Pronunciation, Structure, Vocabulary, Fluency, Comprehension, and Interaction. The test measures both the use of standard phraseology and the ability to communicate effectively in unexpected situations.