Chapter One of an on-line course for the Brazilian ICAO Test administered by the Brazilian Civil Aviation Authority (ANAC) The app contains information about the test, where you can do the test, some study tips and a complete model test with audios. The Quick Reference Handbook is divided into Sections just like the ICAO Test and focuses on the Six ICAO Proficiencies: Pronunciation; Structure; Vocabulary; Fluency; Comprehension; and Interactions. Throughout the course the student will hear mal