Aviation English investigates the key issues in the use of English for communication purposes in aviation, analysing the current research on language training, testing and assessment in the area of Aviation English. Based on a series of recent in aviation communication and taking an interdisciplinary approach, this book provides a description of Aviation English from a linguistic perspective, and lays the foundation for increased focus in the area of Aviation English and its assessment in the form of English Language Proficiency (ELP) tests. This book is essential reading for researchers in the areas of applied linguistics, TESOL and English for Specific Purposes.