Need to obtain or renew your ICAO English level? ( 4, 5 or 6 ) We now offer a special 20 hour online pack of One to One classes for pilots and ATCO's . We also offer 5 and 10 hour packs. Flexible timetable Our specialised Aviation English teachers will design a personalised programme for you in accordance with the Language ProficiencyRequirements as defined by ICAO Cir 323-AN/185. Cursos totalmente personalizados.