Henry Emery is a teacher, teacher trainer and examiner of plain English for aeronautical communication. He is co-director of a language consultancy, assisting aviation organziations around the world with the implementation of the ICAO language proficiency requirements. He works closely with the International Civil Aviation English Association. Andy Roberts has been working in the field of EFL for twenty years. He is an experienced English language examiner and aviation English test designer. As a partner in emery-roberts, Andy works throughout the world delivering aviation English teacher training, rater/interlocutor courses and aviation English communication workshops.